*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{--navy:#07183d;--navy-2:#102b63;--red:#a91d2d;--red-2:#7b1020;--gold:#d2aa53;--gold-2:#f0d18b;--cream:#fffaf0;--paper:#f5efe2;--ink:#172039;--muted:#6f7582;--green:#087d46;--danger:#bc2634;--surface:#fff;--bg:#eef1f6;--shadow:0 14px 40px rgba(7,24,61,.16);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--radius:20px}
html{height:100%;font-size:16px;background:var(--navy)}
body{height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;overscroll-behavior:none}
button,input,select{font:inherit}
button{touch-action:manipulation}
button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid rgba(210,170,83,.7);outline-offset:2px}
[hidden]{display:none!important}
.screen{position:fixed;inset:0;display:flex;flex-direction:column;overflow:hidden;background:var(--bg);opacity:0;pointer-events:none;transform:translateX(24px);transition:opacity .22s ease,transform .22s ease}
.screen.active{opacity:1;pointer-events:auto;transform:none}
.splash-screen{align-items:center;justify-content:center;background:radial-gradient(circle at 50% 22%,#1d448d 0,#0b2457 34%,#06122f 75%);transform:none;color:#fff}
.splash-pattern{position:absolute;inset:0;opacity:.08;background-image:radial-gradient(circle,#fff 1.5px,transparent 1.5px);background-size:28px 28px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}
.splash-content{position:relative;z-index:1;width:min(92vw,460px);padding:34px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:15px}
.brand-seal{width:94px;height:94px;border-radius:50%;border:4px solid var(--gold);box-shadow:0 0 0 7px rgba(255,255,255,.12),0 12px 32px rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;gap:7px;background:linear-gradient(145deg,#fff8e6,#dfbd68);color:var(--navy)}
.brand-seal strong{font-family:Georgia,serif;font-size:48px}.brand-seal span{font-size:14px;color:var(--red)}

/* Circular channel logo — splash screen */
.brand-seal-logo{
  width:clamp(140px,20vw,200px);
  height:clamp(140px,20vw,200px);
  object-fit:contain;
  filter:drop-shadow(0 8px 24px rgba(0,0,0,.5)) drop-shadow(0 0 12px rgba(255,255,255,.15));
  animation:sealPop .5s cubic-bezier(.18,.89,.32,1.28) both;
}
@keyframes sealPop{
  from{opacity:0;transform:scale(.7) rotate(-8deg)}
  to{opacity:1;transform:scale(1) rotate(0deg)}
}

/* Mini circular logo — header */
.hdr-mini-circular{
  width:clamp(38px,4.5vw,52px);
  height:clamp(38px,4.5vw,52px);
  object-fit:contain;
  flex-shrink:0;
  filter:drop-shadow(0 0 6px rgba(255,255,255,.6)) brightness(1.05);
}
@media(max-width:479px){
  .brand-seal-logo{width:120px;height:120px}
  .hdr-mini-circular{width:34px;height:34px}
}
.eyebrow{font-size:12px!important;letter-spacing:2.3px;font-weight:800;color:var(--gold-2)!important}
.splash-content h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(38px,10vw,58px);line-height:1.04;text-shadow:0 4px 20px rgba(0,0,0,.35)}
.splash-subtitle{font-size:16px;color:rgba(255,255,255,.78)}
.stars-row{color:var(--gold-2);letter-spacing:7px;font-size:20px}.copyright-mini{font-size:12px;color:rgba(255,255,255,.46)}
.btn{border:0;border-radius:999px;padding:13px 22px;font-weight:800;cursor:pointer;transition:transform .14s ease,box-shadow .14s ease,background .14s ease;min-height:46px}
.btn:active,.mode-card:active,.icon-btn:active,.round-btn:active,.audio-btn:active{transform:scale(.97)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--red),var(--red-2));box-shadow:0 9px 22px rgba(169,29,45,.27)}
.btn-secondary{color:var(--navy);background:#fff;border:1px solid rgba(7,24,61,.13);box-shadow:0 4px 12px rgba(7,24,61,.07)}
.btn-danger{color:#fff;background:var(--danger)}.btn-large{padding:17px 42px;font-size:18px}.full-width{width:100%}
.app-header{flex:0 0 auto;padding-top:var(--safe-top);background:linear-gradient(135deg,#061331,#102b63);color:#fff;box-shadow:0 4px 18px rgba(5,17,42,.25);z-index:10}
.header-inner{min-height:62px;padding:9px 14px;display:flex;align-items:center;gap:10px}.mini-seal{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-family:Georgia,serif;font-weight:900;font-size:22px;background:linear-gradient(145deg,#fff6d9,#d6ae55);color:var(--navy);border:2px solid rgba(255,255,255,.7)}
.header-copy{min-width:0;flex:1}.header-title{font-weight:850;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-title-center{flex:1;text-align:center}.header-sub{font-size:11px;color:rgba(255,255,255,.63);margin-top:2px}.header-spacer{width:42px}.header-counter{font-size:12px;font-weight:800;color:var(--gold-2);white-space:nowrap}
.icon-btn{width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.09);color:#fff;font-size:20px;cursor:pointer;display:grid;place-items:center}
.home-scroll,.settings-scroll{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(34px + var(--safe-bottom))}
.progress-panel{background:#fff;padding:14px 18px;border-bottom:1px solid rgba(7,24,61,.07)}
.progress-label{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--navy);margin-bottom:8px}.progress-label strong{color:var(--red)}
.progress-track{height:8px;border-radius:999px;background:rgba(7,24,61,.1);overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--red),var(--gold));border-radius:inherit;transition:width .4s ease}
.local-summary{margin:14px 14px 0;padding:14px;background:linear-gradient(145deg,#fff,#fff8e9);border:1px solid rgba(210,170,83,.38);border-radius:17px;box-shadow:0 5px 18px rgba(7,24,61,.08);display:flex;align-items:center;gap:12px;cursor:pointer}.local-summary-icon{font-size:29px}.local-summary-copy{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.local-summary-copy strong{font-size:14px;color:var(--navy)}.local-summary-copy span{font-size:12px;color:var(--muted);line-height:1.35}.chevron{font-size:28px;color:rgba(7,24,61,.3)}
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:14px}.mode-card{border:1px solid rgba(7,24,61,.08);border-radius:18px;background:#fff;min-height:128px;padding:17px 12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;color:var(--navy);box-shadow:0 5px 18px rgba(7,24,61,.07);cursor:pointer}.mode-card strong{font-size:14px}.mode-card small{font-size:11px;color:var(--muted);line-height:1.3}.mode-icon{font-size:31px;margin-bottom:4px}.mode-quiz{background:linear-gradient(145deg,#fff,#fff3f5)}.mode-stars{background:linear-gradient(145deg,#fff,#fff9e8)}.mode-weak{background:linear-gradient(145deg,#fff,#eefaf4)}
.section-heading{padding:5px 18px 9px;display:flex;justify-content:space-between;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.7px}.section-list{padding:0 14px}.section-card{position:relative;overflow:hidden;margin-bottom:10px;padding:14px 14px 13px;border-radius:17px;background:#fff;border:1px solid rgba(7,24,61,.07);box-shadow:0 4px 15px rgba(7,24,61,.06);display:flex;gap:12px;align-items:center;cursor:pointer}.section-card::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--section-color)}.sec-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-size:24px;flex:none;background:color-mix(in srgb,var(--section-color) 14%,white)}.sec-info{flex:1;min-width:0}.sec-title{font-size:14px;font-weight:850;color:var(--navy);line-height:1.25}.sec-subtitle{font-size:11px;color:var(--muted);margin-top:3px}.sec-bar{height:5px;background:rgba(7,24,61,.09);border-radius:999px;overflow:hidden;margin-top:8px}.sec-fill{height:100%;background:var(--section-color)}.sec-pct{font-size:10px;color:var(--muted);margin-top:3px}.sec-arrow{font-size:24px;color:rgba(7,24,61,.22)}
.app-footer{text-align:center;color:var(--muted);font-size:10px;padding:22px 20px 0}.text-btn{border:0;background:none;color:var(--red);font-weight:800;margin-bottom:12px;cursor:pointer}
.section-progress-panel{padding:12px 16px 8px;background:#fff}.progress-caption{text-align:right;font-size:11px;color:var(--muted);margin-top:4px}.section-actions{display:flex;gap:10px;padding:12px 14px}.section-actions .btn{flex:1;padding-inline:10px;font-size:13px}.question-list{flex:1;overflow:auto;padding:0 14px calc(36px + var(--safe-bottom))}.q-item{background:#fff;border-radius:14px;padding:13px;margin-bottom:8px;display:flex;align-items:center;gap:11px;border:1px solid rgba(7,24,61,.06);box-shadow:0 3px 10px rgba(7,24,61,.05);cursor:pointer}.q-num{width:38px;height:38px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:850;flex:none}.q-num.known{background:var(--green)}.q-num.star:not(.known){background:var(--gold);color:var(--navy)}.q-text{flex:1;font-size:13px;line-height:1.38}.q-status{font-size:16px}
.study-screen,.quiz-screen{background:radial-gradient(circle at 50% 6%,#f8f2e6,#e9edf4 55%,#dfe5ef)}.study-progress{padding:7px 14px;background:#fff}.card-viewport{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:15px 14px 7px;perspective:1300px}.card-scene{width:min(100%,650px);height:min(100%,480px);min-height:350px}.flashcard{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.3,.8,.2,1);cursor:pointer}.flashcard.flipped{transform:rotateY(180deg)}.card-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:25px;overflow:hidden;border:2px solid rgba(210,170,83,.65);box-shadow:0 18px 45px rgba(7,24,61,.2);display:flex;flex-direction:column;background:var(--cream)}.card-face::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,250,240,.84),rgba(255,250,240,.93)),var(--question-image,none);background-size:cover;background-position:center;z-index:0}.card-face>*{position:relative;z-index:1}.card-back{transform:rotateY(180deg)}.card-top-banner{background:var(--navy);color:var(--gold-2);border-bottom:2px solid var(--gold);padding:10px 16px;text-align:center;font-family:Georgia,serif;font-size:13px;font-weight:800;letter-spacing:.7px}.card-subtitle{background:var(--section-color,var(--red));color:#fff;padding:6px 13px;text-align:center;font-size:11px;font-weight:750}.card-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:17px 22px 12px;overflow:auto}.card-badge{border-radius:999px;background:var(--navy);color:#fff;border:1px solid var(--gold);padding:6px 17px;font-size:12px;font-weight:800}.card-icon{font-size:34px;margin:9px 0 5px}.card-question{font-family:Georgia,"Times New Roman",serif;color:var(--navy);font-weight:800;font-size:clamp(23px,5.7vw,34px);line-height:1.18}.card-question-en{margin-top:8px;font-size:clamp(12px,3vw,15px);line-height:1.35;color:var(--red);font-style:italic}.card-answer-label{margin-top:14px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:800}.card-answer{font-family:Georgia,"Times New Roman",serif;color:var(--navy);font-weight:900;font-size:clamp(28px,7vw,43px);line-height:1.12;margin-top:7px}.card-answer-en{font-size:14px;color:var(--red);font-style:italic;margin-top:8px}.card-explain{margin-top:12px;padding:9px 12px;border-radius:12px;background:rgba(255,255,255,.68);font-size:12px;line-height:1.4;color:#3f4654}.card-local-note{margin-top:9px;color:var(--red);font-size:11px;font-weight:750}.card-tap{padding:8px;text-align:center;font-size:10px;color:var(--muted);border-top:1px solid rgba(7,24,61,.07)}
.audio-row{display:flex;justify-content:center;gap:9px;padding:0 14px 7px}.audio-btn{border:1px solid rgba(7,24,61,.12);background:#fff;color:var(--navy);border-radius:999px;padding:8px 13px;font-size:11px;font-weight:800;cursor:pointer}.audio-btn:disabled{opacity:.72;cursor:wait}.audio-btn.is-speaking{background:#fff6d7;border-color:var(--gold);box-shadow:0 0 0 2px rgba(207,166,63,.14)}.card-controls{display:flex;align-items:center;gap:12px;padding:0 14px 8px}.round-btn{width:48px;height:48px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:24px;box-shadow:0 6px 17px rgba(7,24,61,.2);cursor:pointer}.round-btn:disabled{opacity:.35}.card-hint{flex:1;text-align:center;font-size:11px;color:var(--muted)}.know-btns{display:flex;gap:10px;padding:0 14px calc(12px + var(--safe-bottom))}.know-btn{flex:1;border:0;border-radius:15px;padding:13px 8px;color:#fff;font-weight:850;cursor:pointer}.know-no{background:#9b3d43}.know-yes{background:var(--green)}
.quiz-body{flex:1;overflow:auto;padding:20px 16px calc(28px + var(--safe-bottom))}.quiz-num{text-align:center;color:var(--red);font-weight:850;font-size:12px;letter-spacing:.6px}.quiz-question{font-family:Georgia,"Times New Roman",serif;text-align:center;color:var(--navy);font-size:clamp(23px,6vw,34px);font-weight:850;line-height:1.2;margin:12px auto 7px;max-width:720px}.quiz-question-en{text-align:center;color:var(--muted);font-style:italic;font-size:13px;margin-bottom:18px}.quiz-choices{display:grid;gap:10px;max-width:720px;margin:auto}.choice-btn{width:100%;border:1px solid rgba(7,24,61,.1);background:#fff;border-radius:15px;padding:12px;display:flex;align-items:center;gap:11px;text-align:left;color:var(--ink);font-weight:650;line-height:1.3;box-shadow:0 4px 13px rgba(7,24,61,.06);cursor:pointer}.choice-letter{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#edf1f8;color:var(--navy);font-weight:900;flex:none}.choice-btn.correct{border-color:var(--green);background:#edf9f2}.choice-btn.correct .choice-letter{background:var(--green);color:#fff}.choice-btn.wrong{border-color:var(--danger);background:#fff0f1}.choice-btn.wrong .choice-letter{background:var(--danger);color:#fff}.choice-btn.disabled{pointer-events:none}.quiz-explain{max-width:720px;margin:14px auto 0;padding:14px;border-radius:15px;background:#fff;border-left:5px solid var(--gold);font-size:13px;line-height:1.5}.quiz-explain strong{display:block;color:var(--navy);font-size:15px;margin-bottom:5px}.quiz-next{display:block;margin:15px auto 0}
.settings-scroll{padding:14px 14px calc(34px + var(--safe-bottom))}.settings-card{max-width:760px;margin:0 auto 13px;background:#fff;border:1px solid rgba(7,24,61,.07);border-radius:20px;padding:18px;box-shadow:0 8px 25px rgba(7,24,61,.08)}.settings-card h2{font-family:Georgia,serif;color:var(--navy);font-size:20px}.settings-card>p{color:var(--muted);font-size:12px;line-height:1.45;margin:6px 0 15px}.settings-card label{display:block;color:var(--navy);font-size:12px;font-weight:800;margin:13px 0 6px}.settings-card select,.settings-card input{width:100%;min-height:48px;border:1px solid rgba(7,24,61,.18);border-radius:13px;background:#fff;padding:10px 12px;color:var(--ink)}.settings-card .btn-primary{margin-top:16px}.officials-title-row{display:flex;gap:10px;align-items:center;justify-content:space-between}.pill{border-radius:999px;background:#eef2f9;color:var(--navy);font-size:10px;font-weight:850;padding:6px 9px}.official-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px}.official-grid article{border-radius:14px;background:#f6f7fa;padding:12px}.official-grid article span{display:block;font-size:10px;color:var(--muted);font-weight:750;margin-bottom:4px}.official-grid article strong{font-size:13px;color:var(--navy);line-height:1.35}.span-two{grid-column:1/-1}.button-stack{display:grid;gap:8px;margin-top:14px}.data-note{margin:12px 0 0!important;padding:9px;border-radius:10px;background:#fff7e8;color:#7d5714!important}.house-results{margin-top:12px;border-radius:14px;background:#eef7f2;padding:12px;font-size:12px;line-height:1.5}.house-result-item+ .house-result-item{margin-top:8px;padding-top:8px;border-top:1px solid rgba(7,24,61,.08)}
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(3,11,30,.67);display:flex;align-items:center;justify-content:center;padding:18px}.modal-box{width:min(100%,480px);max-height:88vh;overflow:auto;background:#fff;border-radius:23px;padding:18px;box-shadow:0 24px 80px rgba(0,0,0,.36)}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.modal-header h2{font-family:Georgia,serif;color:var(--navy);font-size:19px}.modal-close{width:36px;height:36px;border:0;border-radius:50%;background:#eef1f6;color:var(--navy);cursor:pointer}.stats-content{display:grid;gap:8px;margin-bottom:14px}.stat-row{display:flex;justify-content:space-between;padding:12px;border-radius:13px;background:#f6f7fa;font-size:13px}.stat-val{font-weight:900}.green{color:var(--green)}.red{color:var(--danger)}.gold{color:#9c7114}.quiz-length-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.quiz-length-grid button{border:1px solid rgba(7,24,61,.1);border-radius:16px;background:#f7f8fb;padding:18px 8px;color:var(--navy);cursor:pointer}.quiz-length-grid strong,.quiz-length-grid small{display:block}.quiz-length-grid small{font-size:10px;color:var(--muted);margin-top:4px}.result-box{text-align:center}.result-emoji{font-size:58px}.result-score{font-size:34px;font-weight:900;color:var(--navy);margin-top:5px}.result-msg{color:var(--muted);margin:6px 0 15px}.result-bars{display:grid;gap:6px;text-align:left}.result-bar-row{display:flex;justify-content:space-between;padding:9px 10px;border-radius:10px;background:#f6f7fa;font-size:12px}.result-actions{display:flex;gap:10px;margin-top:16px}.result-actions .btn{flex:1}.toast{position:fixed;z-index:200;left:50%;bottom:calc(22px + var(--safe-bottom));transform:translateX(-50%);max-width:90vw;background:#07183d;color:#fff;padding:11px 16px;border-radius:999px;font-size:12px;font-weight:750;box-shadow:0 10px 30px rgba(0,0,0,.3)}
@media (min-width:760px){.mode-grid{grid-template-columns:repeat(4,1fr);max-width:950px;margin:auto}.section-list{max-width:950px;margin:auto;width:100%}.local-summary,.progress-panel{max-width:950px;margin-left:auto;margin-right:auto;width:calc(100% - 28px)}.progress-panel{margin-top:14px;border-radius:16px}.section-heading{max-width:950px;margin:auto}.card-scene{min-height:430px}.settings-scroll{padding-top:28px}.quiz-length-grid button{padding:25px 10px}}
@media (max-height:650px){.card-scene{min-height:290px}.card-content{padding-top:10px}.card-icon{font-size:26px;margin:5px}.card-question{font-size:22px}.card-answer{font-size:28px}.audio-row{display:none}.card-controls{padding-bottom:5px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* ──────────────────────────────────────────────────────────
   RESPONSIVE LAYOUT V3 — phones, tablets, computers, landscape
   ────────────────────────────────────────────────────────── */
:root{
  --safe-left:env(safe-area-inset-left,0px);
  --safe-right:env(safe-area-inset-right,0px);
  --app-height:100dvh;
  --page-max:1240px;
  --reading-max:920px;
}
html{
  width:100%;
  min-width:280px;
  height:100%;
  min-height:100%;
  overflow:hidden;
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
body{
  width:100%;
  min-width:280px;
  height:100vh;
  height:var(--app-height,100dvh);
  min-height:0;
  overflow:hidden;
}
.screen{
  width:100%;
  min-width:280px;
  height:100vh;
  height:var(--app-height,100dvh);
  min-height:0;
}
img,svg,video,canvas{max-width:100%;height:auto}
.app-header{padding-left:var(--safe-left);padding-right:var(--safe-right)}
.header-inner{
  width:100%;
  max-width:var(--page-max);
  margin-inline:auto;
  padding-left:max(12px,var(--safe-left));
  padding-right:max(12px,var(--safe-right));
}
.home-scroll,.settings-scroll,.question-list,.quiz-body{
  scrollbar-gutter:stable;
  overscroll-behavior-y:contain;
}
.card-content,.modal-box,.settings-scroll,.question-list,.quiz-body{
  -webkit-overflow-scrolling:touch;
}

/* Fluid typography and touch targets */
.header-title{font-size:clamp(15px,2.1vw,19px)}
.header-sub{font-size:clamp(10px,1.4vw,12px)}
.btn{font-size:clamp(14px,1.7vw,17px);min-height:48px}
.icon-btn{width:clamp(40px,5vw,46px);height:clamp(40px,5vw,46px);flex:none}
.mode-card strong{font-size:clamp(14px,1.7vw,17px)}
.mode-card small{font-size:clamp(11px,1.25vw,13px)}
.sec-title{font-size:clamp(14px,1.55vw,17px)}
.sec-subtitle{font-size:clamp(11px,1.15vw,13px)}
.q-text{font-size:clamp(14px,1.45vw,17px)}

/* Flexible central widths */
.progress-panel,.local-summary,.mode-grid,.section-heading,.section-list,.app-footer{
  width:min(calc(100% - 28px),var(--page-max));
  margin-left:auto;
  margin-right:auto;
}
.progress-panel{margin-top:14px;border-radius:16px;border:1px solid rgba(7,24,61,.06)}
.local-summary{margin-top:12px}
.mode-grid{padding-left:0;padding-right:0}
.section-list{padding-left:0;padding-right:0}
.section-heading{padding-left:4px;padding-right:4px}

/* Flashcards scale by both width and height */
.card-viewport{
  min-height:0;
  overflow:auto;
  padding-left:max(10px,var(--safe-left));
  padding-right:max(10px,var(--safe-right));
}
.card-scene{
  width:min(100%,760px);
  height:clamp(280px,calc(var(--app-height,100dvh) - 225px),570px);
  min-height:0;
  max-height:none;
  flex:none;
}
.card-face{border-radius:clamp(18px,3vw,28px)}
.card-content{min-height:0;padding:clamp(11px,2.4vh,23px) clamp(14px,4vw,32px) 12px}
.card-top-banner{font-size:clamp(11px,1.45vw,15px);padding:clamp(7px,1.4vh,11px) 14px}
.card-subtitle{font-size:clamp(10px,1.25vw,13px)}
.card-badge{font-size:clamp(11px,1.3vw,14px)}
.card-icon{font-size:clamp(26px,5vw,42px)}
.card-question{font-size:clamp(21px,4.4vw,39px);max-width:950px}
.card-question-en{font-size:clamp(12px,1.8vw,17px)}
.card-answer{font-size:clamp(26px,5.3vw,49px);max-width:950px}
.card-answer-en{font-size:clamp(12px,1.75vw,17px)}
.card-explain{font-size:clamp(12px,1.45vw,15px);max-width:900px}
.audio-row,.card-controls,.know-btns{
  width:min(100%,800px);
  margin-inline:auto;
  padding-left:max(10px,var(--safe-left));
  padding-right:max(10px,var(--safe-right));
}
.round-btn{width:clamp(44px,5vw,54px);height:clamp(44px,5vw,54px)}
.know-btn{min-height:48px;font-size:clamp(13px,1.5vw,16px)}

/* Section and quiz reading widths */
.section-progress-panel,.section-actions{
  width:min(100%,var(--page-max));
  margin-inline:auto;
}
.question-list{width:min(100%,var(--page-max));margin-inline:auto}
.quiz-body>*{width:min(100%,var(--reading-max));margin-left:auto;margin-right:auto}
.quiz-question{font-size:clamp(22px,3.7vw,39px)}
.quiz-question-en{font-size:clamp(12px,1.5vw,16px)}
.choice-btn{min-height:54px;font-size:clamp(14px,1.45vw,17px)}

/* Small phones */
@media (max-width:479px){
  .header-inner{min-height:56px;padding-top:7px;padding-bottom:7px;gap:7px}
  .mini-seal{width:35px;height:35px;font-size:20px}
  .mode-grid{gap:9px;padding-top:11px;padding-bottom:11px}
  .mode-card{min-height:118px;padding:14px 8px;border-radius:16px}
  .mode-icon{font-size:28px}
  .section-card{padding:13px 11px;gap:10px}
  .sec-icon{width:44px;height:44px}
  .section-actions{padding:10px;gap:7px}
  .section-actions .btn{font-size:12px}
  .card-controls{gap:8px}
  .card-hint{font-size:10px}
  .audio-btn{padding:8px 10px}
  .official-grid{grid-template-columns:1fr}
  .official-grid .span-two{grid-column:auto}
  .result-actions{flex-direction:column}
}
@media (max-width:339px){
  .header-sub{display:none}
  .mode-grid{grid-template-columns:1fr}
  .mode-card{min-height:92px;display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;text-align:left;column-gap:10px}
  .mode-icon{grid-row:1/3;margin:0;align-self:center;text-align:center}
  .mode-card strong,.mode-card small{justify-self:start}
  .quiz-length-grid{grid-template-columns:1fr}
  .section-actions{flex-direction:column}
  .card-question{font-size:20px}
  .card-answer{font-size:25px}
}

/* Tablets */
@media (min-width:700px) and (max-width:1099px){
  .mode-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
  .mode-card{min-height:142px}
  .section-list,.question-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
  .section-card,.q-item{margin-bottom:0}
  .settings-card{padding:24px}
  .official-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Laptop and desktop */
@media (min-width:1100px){
  .home-scroll{
    display:grid;
    grid-template-columns:minmax(330px,.78fr) minmax(520px,1.22fr);
    grid-template-areas:
      "progress heading"
      "local sections"
      "modes sections"
      "footer footer";
    align-content:start;
    column-gap:22px;
    row-gap:12px;
    padding:24px max(24px,var(--safe-right)) calc(40px + var(--safe-bottom)) max(24px,var(--safe-left));
  }
  .progress-panel{grid-area:progress;width:100%;margin:0;align-self:start}
  .local-summary{grid-area:local;width:100%;margin:0;align-self:start}
  .mode-grid{grid-area:modes;width:100%;margin:0;padding:0;grid-template-columns:repeat(2,minmax(0,1fr));align-self:start}
  .section-heading{grid-area:heading;width:100%;margin:0;padding:3px 4px 0;align-self:end}
  .section-list{grid-area:sections;width:100%;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-content:start}
  .section-card{margin:0;min-height:108px}
  .app-footer{grid-area:footer;width:100%;margin:0}
  .question-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;padding-top:4px}
  .q-item{margin:0;min-height:76px}
  .section-actions{padding-top:15px;padding-bottom:15px}
  .card-scene{width:min(76vw,900px);height:clamp(410px,calc(var(--app-height,100dvh) - 240px),660px)}
  .quiz-choices{max-width:900px}
  .settings-card{max-width:980px}
  .official-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .official-grid .span-two{grid-column:span 2}
}
@media (min-width:1650px){
  :root{--page-max:1480px;--reading-max:1060px}
  .home-scroll{grid-template-columns:minmax(390px,.72fr) minmax(700px,1.28fr);column-gap:30px}
  .section-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .question-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .card-scene{width:min(68vw,1040px);height:min(calc(var(--app-height,100dvh) - 245px),720px)}
}

/* Phones in landscape and other short screens */
@media (orientation:landscape) and (max-height:620px){
  .header-inner{min-height:47px;padding-top:4px;padding-bottom:4px}
  .mini-seal{width:32px;height:32px;font-size:18px}
  .header-sub{display:none}
  .study-progress{padding-top:4px;padding-bottom:4px}
  .card-viewport{padding-top:5px;padding-bottom:3px;overflow:hidden}
  .card-scene{width:min(88vw,790px);height:calc(var(--app-height,100dvh) - 145px);min-height:190px;max-height:315px}
  .card-top-banner{padding:5px 12px;font-size:10px}
  .card-subtitle{padding:3px 10px;font-size:9px}
  .card-content{padding:6px 14px 5px;justify-content:flex-start}
  .card-badge{padding:3px 11px;font-size:9px}
  .card-icon{display:none}
  .card-question{font-size:clamp(17px,3.5vw,27px);margin-top:5px}
  .card-question-en{font-size:10px;margin-top:4px}
  .card-answer-label{margin-top:6px;font-size:9px}
  .card-answer{font-size:clamp(21px,4vw,33px);margin-top:3px}
  .card-answer-en{font-size:10px;margin-top:3px}
  .card-explain{font-size:10px;line-height:1.25;margin-top:5px;padding:5px 8px}
  .card-local-note{font-size:9px;margin-top:4px}
  .card-tap{display:none}
  .audio-row{display:none}
  .card-controls{padding-top:2px;padding-bottom:3px}
  .round-btn{width:38px;height:38px;font-size:20px}
  .know-btns{padding-bottom:max(4px,var(--safe-bottom));gap:7px}
  .know-btn{min-height:38px;padding:7px 6px;font-size:11px}
  .quiz-body{padding-top:8px}
  .quiz-question{font-size:clamp(18px,3vw,27px);margin-top:5px}
  .quiz-question-en{margin-bottom:8px;font-size:10px}
  .quiz-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
  .choice-btn{min-height:43px;padding:7px;font-size:11px}
  .choice-letter{width:28px;height:28px}
}

/* Extremely short browser windows: content remains reachable */
@media (max-height:440px){
  .card-viewport{overflow:auto;align-items:flex-start}
  .card-scene{height:260px;min-height:260px}
  .splash-content{gap:7px;padding:12px}
  .brand-seal{width:64px;height:64px}.brand-seal strong{font-size:34px}
  .splash-content h1{font-size:30px}
  .stars-row,.copyright-mini{display:none}
}

/* High-resolution and hover-capable computers */
@media (hover:hover) and (pointer:fine){
  .mode-card:hover,.section-card:hover,.q-item:hover,.choice-btn:hover,.local-summary:hover{transform:translateY(-2px);box-shadow:0 9px 24px rgba(7,24,61,.12)}
  .btn:hover{filter:brightness(1.04)}
}


/* ──────────────────────────────────────────────────────────
   V3.1 FACEBOOK / iPHONE SAFE FLASHCARD
   Render one card face at a time. No rotateY, no mirrored text,
   no backface compositing bug in Facebook/Instagram WebView.
   ────────────────────────────────────────────────────────── */
.card-viewport{
  perspective:none!important;
  -webkit-perspective:none!important;
}
.flashcard,
.flashcard.flipped,
.flashcard.single-face{
  position:relative!important;
  display:block!important;
  width:100%!important;
  height:100%!important;
  transform:none!important;
  -webkit-transform:none!important;
  transform-style:flat!important;
  -webkit-transform-style:flat!important;
  transition:none!important;
  isolation:isolate;
  touch-action:pan-y;
}
.flashcard.single-face .card-face,
.card-face.card-current{
  position:relative!important;
  inset:auto!important;
  width:100%!important;
  height:100%!important;
  min-height:0!important;
  transform:none!important;
  -webkit-transform:none!important;
  backface-visibility:visible!important;
  -webkit-backface-visibility:visible!important;
  animation:howardCardFaceIn .18s ease-out both;
}
.card-back{transform:none!important;-webkit-transform:none!important}
.card-content{
  min-height:0!important;
  overflow-x:hidden!important;
  overflow-y:auto!important;
  overscroll-behavior:contain;
  scrollbar-width:thin;
}
.card-question,.card-answer,.card-question-en,.card-answer-en,.card-explain{
  overflow-wrap:anywhere;
  word-break:normal;
  hyphens:auto;
  max-width:100%;
}
.card-question.question-long{font-size:clamp(19px,4vw,34px);line-height:1.2}
.card-question.question-xlong{font-size:clamp(17px,3.5vw,30px);line-height:1.22}
.card-answer.answer-long{font-size:clamp(21px,4.2vw,38px);line-height:1.16}
.card-answer.answer-xlong{font-size:clamp(18px,3.6vw,32px);line-height:1.18}
@keyframes howardCardFaceIn{
  from{opacity:.25;transform:translateY(5px)}
  to{opacity:1;transform:translateY(0)}
}
@media (max-width:479px){
  .card-scene{height:clamp(330px,calc(var(--app-height,100dvh) - 260px),520px)}
  .card-content{justify-content:flex-start;padding-top:14px}
  .card-question-face .card-content{justify-content:center}
  .card-answer{font-size:clamp(23px,6.1vw,34px)}
  .card-answer.answer-long{font-size:clamp(20px,5.15vw,29px)}
  .card-answer.answer-xlong{font-size:clamp(18px,4.55vw,26px)}
  .card-explain{flex:none}
}
@media (orientation:landscape) and (max-height:620px){
  .flashcard.single-face .card-face{height:100%!important}
  .card-content{overflow-y:auto!important}
}
@media (prefers-reduced-motion:reduce){
  .flashcard.single-face .card-face{animation:none!important}
}


/* ──────────────────────────────────────────────────────────
   V3.5 INSTALL + FULL OFFLINE
   ────────────────────────────────────────────────────────── */
.app-tools-panel{
  width:min(calc(100% - 24px),var(--page-max));
  margin:0 auto 14px;
  padding:14px;
  border:1px solid rgba(7,24,61,.1);
  border-radius:20px;
  background:linear-gradient(145deg,#fff,#f7f9ff);
  box-shadow:0 5px 20px rgba(7,24,61,.07);
}
.tool-status-row{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-bottom:11px;flex-wrap:wrap}
.status-pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:850}
.status-online{background:#e8f8ee;color:#087333}.status-offline{background:#fff0ef;color:#9d1b20}
.offline-status-text{font-size:11px;color:var(--muted);font-weight:750}
.app-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.app-tool-button{
  min-height:82px;border:0;border-radius:16px;padding:12px;
  display:flex;align-items:center;gap:10px;text-align:left;cursor:pointer;
  color:var(--navy);box-shadow:inset 0 0 0 1px rgba(7,24,61,.08);
}
.app-tool-button:disabled{opacity:.62;cursor:wait}
.install-tool{background:linear-gradient(145deg,#eef3ff,#fff)}
.offline-tool{background:linear-gradient(145deg,#fff7e6,#fff)}
.app-tool-icon{font-size:28px;flex:0 0 auto}
.app-tool-button strong,.app-tool-button small{display:block}
.app-tool-button strong{font-size:13px;line-height:1.25}.app-tool-button small{font-size:10px;color:var(--muted);margin-top:4px;line-height:1.35}
.offline-progress-wrap{margin-top:12px;padding:11px;border-radius:14px;background:#f4f6fb}
.offline-progress-label{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--navy);margin-bottom:7px}
.offline-progress-detail{font-size:10px;color:var(--muted);margin:7px 0 0;line-height:1.4}
.offline-clear-btn{display:block;margin:9px auto 0;border:0;background:none;color:#a2272e;text-decoration:underline;font-size:10px;cursor:pointer}
.install-guide-content{display:grid;gap:12px;margin-bottom:14px}
.install-guide-hero{padding:14px;border-radius:16px;background:linear-gradient(145deg,#eef3ff,#fff);text-align:center}
.install-guide-hero .guide-icon{font-size:46px}.install-guide-hero h3{margin:5px 0;color:var(--navy);font-family:Georgia,serif}.install-guide-hero p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}
.install-steps{margin:0;padding-left:22px;display:grid;gap:9px;color:#29334d;font-size:13px;line-height:1.45}
.install-browser-warning{padding:11px;border-radius:13px;background:#fff6da;color:#6c5112;font-size:12px;line-height:1.45}
.install-offline-button{margin-top:9px}.install-note{text-align:center;color:var(--muted);font-size:10px;line-height:1.45;margin:11px 4px 0}
.offline-ready .offline-tool{background:linear-gradient(145deg,#e9f9ef,#fff);box-shadow:inset 0 0 0 1px rgba(10,138,62,.2)}
@media(max-width:479px){
  .app-tools-panel{width:calc(100% - 20px);padding:11px;border-radius:17px}
  .app-tool-grid{grid-template-columns:1fr}
  .app-tool-button{min-height:68px}
}
@media(min-width:1100px){
  .app-tools-panel{grid-area:tools;width:100%;margin:0;align-self:start}
  .home-scroll{
    grid-template-areas:
      "progress heading"
      "local sections"
      "tools sections"
      "modes sections"
      "footer footer";
  }
}


/* ──────────────────────────────────────────────────────────
   V4 HERITAGE CLASSROOM — MASTER VISUAL STYLE
   Inspired by Howard's navy, crimson, parchment and gold sample.
   Text remains live HTML for perfect Vietnamese and responsiveness.
   ────────────────────────────────────────────────────────── */
.study-screen{
  background:
    radial-gradient(circle at 50% -10%,rgba(218,176,77,.24),transparent 34%),
    linear-gradient(135deg,#07182f,#0a2345 48%,#06142a);
}
.study-screen .app-header{
  background:linear-gradient(180deg,#031026,#071b3b);
  border-bottom:1px solid rgba(235,190,94,.65);
}
.study-progress{
  background:#efe7d7;
  border-bottom:1px solid #c89b43;
}
.study-progress .progress-track{
  background:rgba(7,24,61,.16);
}
.card-viewport{
  padding:clamp(8px,1.5vw,18px);
  background:
    linear-gradient(rgba(2,10,23,.08),rgba(2,10,23,.18)),
    radial-gradient(circle at 50% 12%,rgba(255,221,143,.18),transparent 38%);
}
.card-scene{
  width:min(96vw,1540px)!important;
  height:auto!important;
  min-height:0!important;
  max-height:calc(var(--app-height,100dvh) - 218px);
  aspect-ratio:16/9;
}
.heritage-flashcard{
  width:100%;
  height:100%;
  cursor:pointer;
}
.heritage-card{
  --heritage-navy:#061a35;
  --heritage-navy-2:#0b294b;
  --heritage-gold:#d5a744;
  --heritage-gold-light:#f0c86c;
  --heritage-crimson:#8f171c;
  --heritage-paper:#efe0bb;
  position:relative;
  width:100%;
  height:100%;
  overflow:hidden;
  border:3px solid var(--heritage-gold);
  border-radius:8px;
  background:var(--heritage-navy);
  color:#091d38;
  box-shadow:
    0 0 0 2px #081b34,
    0 0 0 5px rgba(225,177,73,.85),
    0 22px 55px rgba(0,0,0,.48);
  display:grid;
  grid-template-rows:auto minmax(0,1fr) auto;
  animation:heritageIn .18s ease-out both;
}
.heritage-card::before,
.heritage-card::after,
.heritage-outer-corners::before,
.heritage-outer-corners::after{
  content:"";
  position:absolute;
  width:38px;
  height:38px;
  border-color:var(--heritage-gold-light);
  z-index:8;
  pointer-events:none;
}
.heritage-card::before{left:7px;top:7px;border-left:3px double;border-top:3px double;border-radius:13px 0 0 0}
.heritage-card::after{right:7px;top:7px;border-right:3px double;border-top:3px double;border-radius:0 13px 0 0}
.heritage-outer-corners::before{left:7px;bottom:7px;border-left:3px double;border-bottom:3px double;border-radius:0 0 0 13px}
.heritage-outer-corners::after{right:7px;bottom:7px;border-right:3px double;border-bottom:3px double;border-radius:0 0 13px 0}

.heritage-masthead{
  min-height:116px;
  padding:14px 27px 10px;
  display:grid;
  grid-template-columns:160px minmax(0,1fr) 142px;
  align-items:center;
  gap:18px;
  background:
    radial-gradient(circle at 50% 0,rgba(255,205,100,.08),transparent 42%),
    linear-gradient(180deg,#04142b,#071d3a);
  border-bottom:2px solid var(--heritage-gold);
  position:relative;
}
.heritage-masthead::after{
  content:"";
  position:absolute;
  left:2.5%;
  right:2.5%;
  bottom:4px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--heritage-gold-light),transparent);
}
.heritage-part-plaque{
  justify-self:start;
  min-width:122px;
  padding:12px 14px;
  color:#f1c46d;
  text-align:center;
  font-family:Georgia,"Times New Roman",serif;
  border:2px solid var(--heritage-gold);
  border-radius:8px;
  outline:1px solid rgba(240,200,108,.8);
  outline-offset:5px;
  background:linear-gradient(145deg,#0c2747,#06172e);
  box-shadow:inset 0 0 22px rgba(0,0,0,.38);
  line-height:1.02;
}
.heritage-part-plaque span{display:block;font-size:22px;font-weight:800;letter-spacing:1px}
.heritage-part-plaque strong{display:block;margin-top:4px;font-size:29px}
.heritage-heading{text-align:center;min-width:0}
.heritage-main-title{
  color:#f1c369;
  font-family:Georgia,"Times New Roman",serif;
  font-weight:800;
  font-size:clamp(29px,4.2vw,60px);
  line-height:1;
  letter-spacing:.7px;
  text-shadow:0 2px 0 #6b4514,0 5px 12px rgba(0,0,0,.55);
  white-space:nowrap;
}
.heritage-subtitle-ribbon{
  width:min(92%,1000px);
  margin:11px auto 0;
  padding:7px 28px 8px;
  color:#fff3d8;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(14px,2vw,25px);
  line-height:1.1;
  background:linear-gradient(180deg,#a62224,#761014);
  border:2px solid #e0b15b;
  box-shadow:inset 0 0 12px rgba(0,0,0,.28);
  clip-path:polygon(2% 0,98% 0,100% 50%,98% 100%,2% 100%,0 50%);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.heritage-seal{
  justify-self:end;
  width:116px;
  aspect-ratio:1;
}
.heritage-seal img{display:block;width:100%;height:100%;object-fit:contain}

.heritage-sheet{
  min-height:0;
  margin:10px 12px 0;
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(250px,.72fr) minmax(330px,.94fr);
  overflow:hidden;
  border:2px solid #b98732;
  border-bottom:1px solid #c9a15d;
  background:
    linear-gradient(rgba(250,239,206,.91),rgba(238,220,177,.94)),
    url("assets/heritage/parchment.webp");
  background-size:cover;
  box-shadow:inset 0 0 35px rgba(94,56,14,.25);
  position:relative;
}
.heritage-sheet::before{
  content:"";
  position:absolute;
  inset:9px;
  border:1px solid rgba(129,77,21,.37);
  pointer-events:none;
  z-index:4;
}
.heritage-text-panel,
.heritage-center-panel{
  position:relative;
  z-index:2;
  min-width:0;
  min-height:0;
}
.heritage-text-panel{
  padding:clamp(24px,3vw,48px) clamp(22px,3.2vw,54px) 20px;
  display:flex;
  flex-direction:column;
  border-right:1px solid rgba(122,75,23,.42);
  overflow:auto;
}
.heritage-question-badge,
.heritage-answer-badge,
.heritage-reveal-badge{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:8px 25px;
  color:#fff3d8;
  font-family:Georgia,"Times New Roman",serif;
  font-weight:800;
  font-size:clamp(17px,2vw,28px);
  letter-spacing:.4px;
  background:linear-gradient(180deg,#0e3358,#05172d);
  border:2px solid #d5a744;
  border-radius:10px;
  box-shadow:inset 0 0 0 2px rgba(5,20,40,.74),0 5px 12px rgba(77,46,11,.25);
}
.heritage-uscis-star{
  margin-left:8px;
  font-family:Inter,Arial,sans-serif;
  font-size:9px;
  color:#f0c86c;
  letter-spacing:.4px;
  vertical-align:middle;
}
.heritage-question{
  margin-top:clamp(24px,4vh,45px);
  color:#071d3a;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(29px,3.25vw,51px);
  line-height:1.22;
  font-weight:800;
  text-align:left;
  text-wrap:balance;
  overflow-wrap:anywhere;
}
.heritage-question-long{font-size:clamp(25px,2.7vw,43px)}
.heritage-question-xlong{font-size:clamp(22px,2.35vw,37px);line-height:1.19}
.heritage-question-en{
  margin-top:14px;
  color:#8b1b24;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(12px,1.18vw,18px);
  line-height:1.4;
  font-style:italic;
}
.heritage-memory{
  margin-top:auto;
  min-height:82px;
  display:grid;
  grid-template-columns:154px minmax(0,1fr);
  align-items:stretch;
  border:1px solid #a9792c;
  border-radius:10px;
  background:rgba(255,250,229,.55);
  box-shadow:inset 0 0 15px rgba(116,69,19,.1);
  overflow:hidden;
}
.heritage-memory-label{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px;
  color:#f4c56d;
  background:linear-gradient(180deg,#9e1e23,#6f0f14);
  border-right:2px solid #d6a747;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(16px,1.45vw,24px);
  font-weight:700;
}
.heritage-memory-text{
  display:flex;
  align-items:center;
  padding:13px 18px;
  color:#10243d;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(13px,1.3vw,20px);
  line-height:1.34;
  font-weight:700;
}
.heritage-memory-question{opacity:.86}

.heritage-center-panel{
  padding:24px 24px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  border-right:1px solid rgba(122,75,23,.42);
  overflow:auto;
}
.heritage-flourish{width:min(90%,290px);height:auto;opacity:.9}
.heritage-flourish-bottom{transform:rotate(180deg);margin-top:18px}
.heritage-answer-badge,
.heritage-reveal-badge{
  align-self:center;
  background:linear-gradient(180deg,#a62224,#761014);
  margin:12px 0 20px;
  min-width:180px;
}
.heritage-answer{
  color:#071d3a;
  font-family:Georgia,"Times New Roman",serif;
  font-weight:900;
  font-size:clamp(35px,4.25vw,68px);
  line-height:1.1;
  text-wrap:balance;
  overflow-wrap:anywhere;
  text-shadow:0 1px 0 #fff4d5;
}
.heritage-answer-long{font-size:clamp(29px,3.4vw,54px)}
.heritage-answer-xlong{font-size:clamp(23px,2.75vw,43px);line-height:1.14}
.heritage-answer-en{
  margin-top:13px;
  color:#9a1e29;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(13px,1.35vw,20px);
  font-style:italic;
  line-height:1.35;
}
.heritage-local-note{
  margin-top:14px;
  padding:8px 12px;
  border:1px solid rgba(143,23,28,.35);
  border-radius:9px;
  background:rgba(255,248,219,.65);
  color:#7c1419;
  font-size:11px;
  font-weight:800;
}
.heritage-reveal-icon{
  margin:4px 0 8px;
  font-size:clamp(46px,5vw,78px);
  filter:sepia(1) saturate(1.25);
}
.heritage-reveal-title{
  color:#071d3a;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(28px,3.15vw,50px);
  line-height:1.08;
  font-weight:900;
}
.heritage-reveal-sub{
  margin-top:11px;
  color:#8b1b24;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(12px,1.2vw,18px);
  font-style:italic;
}

.heritage-art-panel{
  position:relative;
  min-width:0;
  min-height:0;
  overflow:hidden;
  margin:0;
  background:#342012;
}
.heritage-art-panel::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:2;
  box-shadow:inset 20px 0 35px rgba(52,31,10,.42),inset 0 0 28px rgba(0,0,0,.35);
  pointer-events:none;
}
.heritage-art-panel img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  filter:sepia(.22) saturate(.95) contrast(1.04) brightness(.92);
  transform:scale(1.015);
}
.heritage-art-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(74,43,10,.35),transparent 23%),
    linear-gradient(0deg,rgba(13,25,44,.28),transparent 35%);
  z-index:1;
}
.heritage-art-panel figcaption{
  position:absolute;
  z-index:3;
  left:18px;
  right:18px;
  bottom:14px;
  padding:7px 13px;
  border:1px solid rgba(239,198,111,.72);
  border-radius:7px;
  color:#ffe6aa;
  background:rgba(4,20,40,.82);
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(10px,1vw,15px);
  text-align:center;
  backdrop-filter:blur(4px);
}

.heritage-footer{
  min-height:46px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:6px 18px;
  color:#e9b751;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(15px,1.7vw,25px);
  font-style:italic;
  background:linear-gradient(180deg,#081e3b,#04142a);
}
.heritage-footer span{font-size:1.25em}
.heritage-footer b{font-size:.75em;color:#b88a35}

.audio-row{
  padding-top:8px;
  background:linear-gradient(180deg,rgba(7,24,61,.92),rgba(5,18,40,.98));
}
.audio-btn{
  border-color:rgba(232,190,98,.65)!important;
  background:linear-gradient(180deg,#fff9e8,#ead7ad)!important;
  color:#071d3a!important;
}
.card-controls,
.know-btns{
  background:#06172f;
  color:#fff;
}
.card-hint{color:#f4dca2}
.round-btn{
  border:1px solid rgba(231,190,99,.56);
  background:linear-gradient(180deg,#0b2c53,#07182f);
  color:#fff;
}
.know-btn{border:1px solid rgba(240,202,111,.38)}
.know-no{background:linear-gradient(180deg,#b83b43,#8e2028)}
.know-yes{background:linear-gradient(180deg,#159653,#08773e)}

@keyframes heritageIn{
  from{opacity:.35;transform:translateY(4px) scale(.997)}
  to{opacity:1;transform:none}
}

/* Tablet */
@media (max-width:1050px){
  .card-scene{
    width:min(97vw,980px)!important;
    max-height:calc(var(--app-height,100dvh) - 215px);
  }
  .heritage-masthead{
    grid-template-columns:110px minmax(0,1fr) 90px;
    min-height:90px;
    padding:11px 18px 8px;
    gap:12px;
  }
  .heritage-part-plaque{min-width:88px;padding:8px;outline-offset:3px}
  .heritage-part-plaque span{font-size:15px}.heritage-part-plaque strong{font-size:21px}
  .heritage-seal{width:78px}
  .heritage-sheet{grid-template-columns:minmax(0,1.08fr) minmax(210px,.72fr) minmax(250px,.8fr)}
  .heritage-text-panel{padding:24px 24px 16px}
  .heritage-center-panel{padding:18px 15px}
  .heritage-memory{grid-template-columns:110px minmax(0,1fr);min-height:68px}
}

/* Phone portrait: visual story stacks vertically and remains readable. */
@media (max-width:720px){
  .study-screen .header-inner{min-height:52px}
  .card-viewport{
    align-items:flex-start;
    overflow:auto;
    padding:8px 7px 5px;
  }
  .card-scene{
    width:100%!important;
    height:auto!important;
    max-height:none!important;
    aspect-ratio:auto;
  }
  .heritage-flashcard{height:auto!important}
  .heritage-card{
    height:auto;
    min-height:calc(var(--app-height,100dvh) - 205px);
    border-width:2px;
    border-radius:7px;
    display:block;
  }
  .heritage-masthead{
    min-height:0;
    grid-template-columns:64px minmax(0,1fr) 58px;
    gap:7px;
    padding:9px 12px 8px;
  }
  .heritage-part-plaque{
    min-width:54px;
    padding:6px 4px;
    outline:none;
  }
  .heritage-part-plaque span{font-size:9px}
  .heritage-part-plaque strong{font-size:14px}
  .heritage-main-title{
    font-size:clamp(19px,6.1vw,29px);
    white-space:normal;
    line-height:1.04;
  }
  .heritage-subtitle-ribbon{
    width:100%;
    margin-top:6px;
    padding:4px 12px;
    font-size:clamp(9px,2.9vw,13px);
  }
  .heritage-seal{width:53px}
  .heritage-sheet{
    display:flex;
    flex-direction:column;
    margin:7px 7px 0;
    overflow:visible;
  }
  .heritage-art-panel{
    order:1;
    height:clamp(155px,43vw,245px);
    border-bottom:1px solid rgba(122,75,23,.42);
  }
  .heritage-art-panel figcaption{
    left:10px;right:10px;bottom:8px;padding:5px 8px;font-size:9px;
  }
  .heritage-text-panel{
    order:2;
    padding:17px 17px 12px;
    border-right:0;
    border-bottom:1px solid rgba(122,75,23,.42);
    overflow:visible;
  }
  .heritage-question-badge{
    min-height:34px;
    padding:5px 15px;
    font-size:15px;
  }
  .heritage-question{
    margin-top:16px;
    font-size:clamp(23px,7.2vw,34px);
    text-align:center;
  }
  .heritage-question-long{font-size:clamp(20px,6.25vw,29px)}
  .heritage-question-xlong{font-size:clamp(18px,5.6vw,26px)}
  .heritage-question-en{text-align:center;font-size:11px;margin-top:8px}
  .heritage-memory{
    margin-top:16px;
    grid-template-columns:92px minmax(0,1fr);
    min-height:58px;
  }
  .heritage-memory-label{padding:8px;font-size:13px}
  .heritage-memory-text{padding:9px 11px;font-size:12px}
  .heritage-center-panel{
    order:3;
    padding:15px 17px 18px;
    border-right:0;
    overflow:visible;
  }
  .heritage-flourish{width:210px}
  .heritage-answer-badge,.heritage-reveal-badge{
    min-height:36px;
    min-width:150px;
    margin:7px 0 12px;
    padding:6px 15px;
    font-size:16px;
  }
  .heritage-answer{font-size:clamp(29px,9vw,43px)}
  .heritage-answer-long{font-size:clamp(24px,7.25vw,35px)}
  .heritage-answer-xlong{font-size:clamp(20px,6vw,29px)}
  .heritage-answer-en{font-size:11px}
  .heritage-reveal-icon{font-size:46px}
  .heritage-reveal-title{font-size:29px}
  .heritage-footer{
    min-height:36px;
    gap:7px;
    font-size:13px;
    padding:5px 9px;
  }
  .heritage-footer span{display:none}
  .audio-row{padding:7px 7px 4px}
  .audio-btn{min-height:43px;font-size:12px}
  .card-controls{padding:4px 10px 7px}
  .know-btns{padding:5px 7px calc(7px + var(--safe-bottom));gap:6px}
}

/* Short landscape phones */
@media (orientation:landscape) and (max-height:620px){
  .card-viewport{overflow:auto;align-items:flex-start}
  .card-scene{width:96vw!important;height:auto!important;max-height:none;aspect-ratio:auto}
  .heritage-card{min-height:440px}
  .heritage-masthead{
    grid-template-columns:70px minmax(0,1fr) 58px;
    padding:6px 12px;
  }
  .heritage-main-title{font-size:23px}
  .heritage-subtitle-ribbon{font-size:10px;margin-top:4px;padding:3px 12px}
  .heritage-part-plaque span{font-size:9px}.heritage-part-plaque strong{font-size:14px}
  .heritage-seal{width:52px}
  .heritage-sheet{
    display:grid;
    grid-template-columns:1.05fr .75fr .82fr;
    margin:5px 7px 0;
  }
  .heritage-art-panel{order:initial;height:auto}
  .heritage-text-panel{order:initial;padding:14px 16px 10px;border-right:1px solid rgba(122,75,23,.42);border-bottom:0}
  .heritage-center-panel{order:initial;padding:10px;border-right:1px solid rgba(122,75,23,.42)}
  .heritage-question-badge{font-size:12px;padding:4px 11px;min-height:29px}
  .heritage-question{margin-top:10px;font-size:22px}
  .heritage-question-long{font-size:19px}.heritage-question-xlong{font-size:17px}
  .heritage-question-en{font-size:9px;margin-top:4px}
  .heritage-memory{display:none}
  .heritage-answer-badge,.heritage-reveal-badge{font-size:13px;min-height:29px;margin:3px 0 8px}
  .heritage-answer{font-size:29px}.heritage-answer-long{font-size:24px}.heritage-answer-xlong{font-size:20px}
  .heritage-answer-en,.heritage-reveal-sub{font-size:9px}
  .heritage-reveal-title{font-size:24px}.heritage-reveal-icon{font-size:34px;margin:0}
  .heritage-flourish{width:150px}
  .heritage-footer{min-height:30px;font-size:12px}
}


/* V5 — Illustrated Heritage + Mobile Compact */
.heritage-mobile-memory{display:none}
@media (max-width:720px){
  .study-screen{--study-controls:132px}
  .study-screen .app-header .header-inner{min-height:48px;padding:5px 9px}
  .study-screen .icon-btn{width:36px;height:36px;font-size:18px}
  .study-screen .header-title{font-size:15px}
  .study-screen .header-counter{font-size:12px}
  .study-progress{padding:4px 9px}
  .study-progress .progress-track{height:6px}
  .card-viewport{padding:5px 4px calc(var(--study-controls) + var(--safe-bottom));align-items:flex-start;overflow-y:auto;scrollbar-width:none}
  .card-viewport::-webkit-scrollbar{display:none}
  .card-scene{width:100%!important;height:auto!important;min-height:0!important;max-height:none!important}
  .heritage-card{min-height:0;height:auto;border-width:2px;border-radius:5px;box-shadow:0 8px 24px rgba(0,0,0,.28)}
  .heritage-card::before,.heritage-card::after,.heritage-outer-corners::before,.heritage-outer-corners::after{width:34px;height:34px;border-width:2px}
  .heritage-masthead{grid-template-columns:47px minmax(0,1fr) 42px;gap:5px;padding:5px 7px 4px;min-height:58px}
  .heritage-part-plaque{min-width:42px;padding:4px 2px;border-width:1px;border-radius:7px}
  .heritage-part-plaque span{font-size:7px;letter-spacing:.5px}.heritage-part-plaque strong{font-size:11px;margin-top:1px}
  .heritage-main-title{font-size:clamp(15px,4.5vw,20px);line-height:1;white-space:nowrap;letter-spacing:.3px}
  .heritage-subtitle-ribbon{margin-top:4px;padding:3px 7px;font-size:clamp(7px,2.2vw,10px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .heritage-seal{width:40px}
  .heritage-sheet{margin:4px 4px 0;border-radius:2px;display:flex;flex-direction:column}
  .heritage-art-panel{order:1;height:clamp(178px,30vh,225px);min-height:178px;border-bottom:1px solid rgba(122,75,23,.45)}
  .heritage-art-panel img{object-position:center 25%;filter:sepia(.08) saturate(1.04) contrast(1.05) brightness(.96);transform:scale(1.005)}
  .heritage-art-panel figcaption{left:8px;right:8px;bottom:7px;padding:4px 7px;font-size:9px;border-radius:5px}
  .heritage-text-panel,.heritage-center-panel{padding:12px 12px 14px;border:0;min-height:195px;justify-content:center}
  .heritage-question-badge,.heritage-answer-badge,.heritage-reveal-badge{min-height:29px;padding:4px 11px;font-size:12px;margin:2px auto 9px}
  .heritage-question{margin-top:8px;font-size:clamp(24px,7.3vw,34px);line-height:1.12;text-align:center}
  .heritage-question-long{font-size:clamp(21px,6.25vw,29px)}
  .heritage-question-xlong{font-size:clamp(18px,5.25vw,25px);line-height:1.15}
  .heritage-question-en{font-size:10px;margin-top:6px;line-height:1.25;text-align:center}
  .heritage-memory{display:none}
  .heritage-show-question .heritage-center-panel{display:none}
  .heritage-show-answer .heritage-text-panel{display:none}
  .heritage-show-answer .heritage-center-panel{display:flex}
  .heritage-answer{font-size:clamp(30px,9vw,43px);line-height:1.08}
  .heritage-answer-long{font-size:clamp(24px,7vw,34px)}
  .heritage-answer-xlong{font-size:clamp(20px,5.8vw,28px);line-height:1.12}
  .heritage-answer-en{font-size:10px;margin-top:7px}
  .heritage-mobile-memory{display:block;margin-top:11px;padding:8px 10px;border:1px solid rgba(143,23,28,.25);border-radius:8px;background:rgba(255,249,229,.72);color:#20324a;font-family:Georgia,'Times New Roman',serif;font-size:11px;line-height:1.35}
  .heritage-mobile-memory strong{color:#8f171c}
  .heritage-flourish{display:none}
  .heritage-reveal-icon{font-size:38px;margin:2px}.heritage-reveal-title{font-size:25px}.heritage-reveal-sub{font-size:9px;margin-top:6px}
  .heritage-footer{min-height:27px;padding:3px 8px;font-size:11px;gap:5px}
  .heritage-footer span{display:none}
  .audio-row,.card-controls,.know-btns{position:fixed;left:0;right:0;width:100%;z-index:35;margin:0;background:#06172f;padding-left:max(8px,var(--safe-left));padding-right:max(8px,var(--safe-right))}
  .audio-row{bottom:calc(78px + var(--safe-bottom));padding-top:5px;padding-bottom:4px}
  .audio-btn{min-height:38px;padding:7px 14px;font-size:12px}
  .card-controls{bottom:calc(34px + var(--safe-bottom));min-height:44px;padding:2px 10px}
  .round-btn{width:39px;height:39px;font-size:24px}
  .card-hint{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 5px}
  .know-btns{bottom:0;min-height:38px;padding:3px 7px calc(3px + var(--safe-bottom));gap:6px}
  .know-btn{min-height:34px;padding:6px 8px;font-size:11px}
  .know-btns[hidden]{display:flex!important;visibility:hidden;pointer-events:none}
}
@media (max-width:390px){
  .heritage-art-panel{height:170px;min-height:170px}
  .heritage-text-panel,.heritage-center-panel{min-height:185px;padding:10px 9px 12px}
  .heritage-main-title{font-size:14px}
  .heritage-question{font-size:25px}.heritage-question-long{font-size:21px}.heritage-question-xlong{font-size:18px}
}
html.browser-facebook.device-ios .study-screen{--study-controls:140px}
html.browser-facebook.device-ios .card-viewport{padding-bottom:calc(150px + var(--safe-bottom))}
html.browser-facebook.device-ios .heritage-art-panel{height:185px;min-height:185px}


/* V6 — Official Illustrated Responsive Typography & Layout */
:root{
  --v6-font-ui:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --v6-font-display:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
html,body,button,input,select,textarea{
  font-family:var(--v6-font-ui);
  font-synthesis:none;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  font-kerning:normal;
}
.heritage-card,
.heritage-part-plaque,
.heritage-main-title,
.heritage-subtitle-ribbon,
.heritage-question-badge,
.heritage-answer-badge,
.heritage-reveal-badge,
.heritage-question,
.heritage-question-en,
.heritage-memory-label,
.heritage-memory-text,
.heritage-answer,
.heritage-answer-en,
.heritage-reveal-title,
.heritage-reveal-sub,
.heritage-art-panel figcaption,
.heritage-footer,
.heritage-mobile-memory{
  font-family:var(--v6-font-display);
  font-synthesis:none;
  font-variant-ligatures:none;
  letter-spacing:0;
}
.heritage-main-title{
  font-size:clamp(34px,3.55vw,62px);
  line-height:1.02;
  letter-spacing:-.035em;
  white-space:nowrap;
}
.heritage-subtitle-ribbon{
  width:min(94%,1040px);
  margin-top:8px;
  padding:7px 24px 8px;
  font-size:clamp(13px,1.55vw,22px);
  font-style:normal;
  font-weight:700;
  line-height:1.22;
  white-space:normal;
  overflow:visible;
  text-overflow:clip;
  text-wrap:balance;
  word-break:normal;
  overflow-wrap:normal;
}
.heritage-subtitle-ribbon em{font-style:normal}
.heritage-seal{width:105px;filter:drop-shadow(0 4px 7px rgba(0,0,0,.45))}
.heritage-seal img{object-fit:contain}
.heritage-masthead{
  min-height:102px;
  padding:10px 22px 8px;
  grid-template-columns:132px minmax(0,1fr) 112px;
  gap:15px;
}
.heritage-part-plaque{min-width:104px;padding:9px 10px}
.heritage-part-plaque span{font-size:17px}.heritage-part-plaque strong{font-size:24px}
.heritage-sheet{
  grid-template-columns:minmax(360px,1.02fr) minmax(230px,.64fr) minmax(390px,1.04fr);
}
.heritage-text-panel{padding:clamp(22px,2.65vw,42px) clamp(20px,2.8vw,46px) 18px}
.heritage-center-panel{padding:20px 18px}
.heritage-question{
  font-size:clamp(28px,2.85vw,48px);
  line-height:1.18;
  word-break:normal;
  overflow-wrap:break-word;
  hyphens:none;
}
.heritage-question-long{font-size:clamp(24px,2.45vw,40px)}
.heritage-question-xlong{font-size:clamp(21px,2.12vw,34px);line-height:1.18}
.heritage-answer{font-size:clamp(33px,3.6vw,60px);line-height:1.08;word-break:normal;overflow-wrap:break-word}
.heritage-answer-long{font-size:clamp(27px,3vw,49px)}
.heritage-answer-xlong{font-size:clamp(22px,2.45vw,39px)}
.heritage-question-en,.heritage-answer-en{font-family:Georgia,"Times New Roman",serif;font-style:italic;letter-spacing:0}
.heritage-art-panel img{
  object-position:center center;
  filter:saturate(.98) contrast(1.06) brightness(.95);
  transform:scale(1.002);
}
.heritage-art-panel::before{box-shadow:inset 13px 0 25px rgba(28,20,8,.30),inset 0 0 22px rgba(0,0,0,.25)}
.heritage-art-overlay{background:linear-gradient(90deg,rgba(43,27,8,.22),transparent 18%),linear-gradient(0deg,rgba(4,18,39,.24),transparent 34%)}
.app-footer a{color:#8b641b;font-weight:800}

@media (min-width:1280px){
  .card-scene{width:min(95vw,1540px)!important}
  .heritage-sheet{grid-template-columns:minmax(400px,1.02fr) minmax(250px,.62fr) minmax(460px,1.08fr)}
  .heritage-art-panel figcaption{font-size:13px}
}

@media (max-width:1050px) and (min-width:721px){
  .heritage-masthead{grid-template-columns:92px minmax(0,1fr) 78px;min-height:82px;padding:8px 15px 7px}
  .heritage-main-title{font-size:clamp(26px,4vw,39px)}
  .heritage-subtitle-ribbon{font-size:clamp(11px,1.8vw,16px);padding:5px 15px}
  .heritage-seal{width:72px}
  .heritage-sheet{grid-template-columns:minmax(300px,1fr) minmax(205px,.65fr) minmax(300px,.95fr)}
}

@media (max-width:720px){
  .study-screen{--study-controls:142px}
  .study-screen .app-header .header-inner{min-height:46px;padding:4px 8px}
  .card-viewport{padding:4px 3px calc(var(--study-controls) + var(--safe-bottom) + 6px)}
  .heritage-card{border-radius:5px;min-height:0}
  .heritage-masthead{
    min-height:51px;
    grid-template-columns:42px minmax(0,1fr) 39px;
    gap:4px;
    padding:4px 6px 3px;
  }
  .heritage-part-plaque{min-width:38px;padding:3px 1px;border-width:1px;outline:none}
  .heritage-part-plaque span{font-size:6.5px}.heritage-part-plaque strong{font-size:10px}
  .heritage-main-title{font-size:clamp(13px,4vw,18px);line-height:1;letter-spacing:-.025em;white-space:nowrap}
  .heritage-subtitle-ribbon{
    width:100%;
    margin-top:3px;
    padding:2px 5px 3px;
    font-size:clamp(6.8px,2vw,9.5px);
    line-height:1.12;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .heritage-seal{width:36px}
  .heritage-sheet{margin:3px 3px 0;border-width:1px}
  .heritage-art-panel{height:clamp(145px,25vh,190px);min-height:145px}
  .heritage-art-panel img{object-position:center 30%;transform:none}
  .heritage-art-panel figcaption{left:6px;right:6px;bottom:5px;padding:3px 6px;font-size:8px;line-height:1.15}
  .heritage-text-panel,.heritage-center-panel{min-height:166px;padding:9px 10px 11px}
  .heritage-question-badge,.heritage-answer-badge,.heritage-reveal-badge{min-height:27px;padding:3px 9px;font-size:11px;margin:1px auto 7px}
  .heritage-question{margin-top:6px;font-size:clamp(22px,6.6vw,30px);line-height:1.1}
  .heritage-question-long{font-size:clamp(19px,5.7vw,26px)}
  .heritage-question-xlong{font-size:clamp(17px,5.05vw,23px);line-height:1.13}
  .heritage-question-en{font-size:9.5px;margin-top:5px;line-height:1.2}
  .heritage-answer{font-size:clamp(27px,8vw,38px)}
  .heritage-answer-long{font-size:clamp(22px,6.5vw,31px)}
  .heritage-answer-xlong{font-size:clamp(19px,5.5vw,26px)}
  .heritage-reveal-icon{font-size:32px}.heritage-reveal-title{font-size:22px}.heritage-reveal-sub{font-size:8.5px}
  .heritage-footer{min-height:24px;padding:2px 7px;font-size:10.5px}
  .heritage-mobile-memory{font-family:var(--v6-font-ui);font-size:10.5px;padding:7px 8px;margin-top:8px}
  .audio-row{bottom:calc(80px + var(--safe-bottom))}
  .card-controls{bottom:calc(36px + var(--safe-bottom))}
  .know-btns{min-height:40px}
}

@media (max-width:390px){
  .heritage-masthead{grid-template-columns:38px minmax(0,1fr) 35px}
  .heritage-main-title{font-size:12.5px}
  .heritage-subtitle-ribbon{font-size:6.5px}
  .heritage-seal{width:33px}
  .heritage-art-panel{height:142px;min-height:142px}
  .heritage-text-panel,.heritage-center-panel{min-height:158px;padding:8px 8px 10px}
  .heritage-question{font-size:23px}.heritage-question-long{font-size:19.5px}.heritage-question-xlong{font-size:17px}
}

@media (orientation:landscape) and (max-height:620px){
  .heritage-main-title{font-size:21px}
  .heritage-subtitle-ribbon{font-size:9px;white-space:nowrap}
  .heritage-seal{width:48px}
  .heritage-sheet{grid-template-columns:1.06fr .62fr .95fr}
}


/* ==============================================================
   HOWARD CIVICS V8 — 250th ANNIVERSARY AMERICAN DESIGN
   Navy #0B2545 · Red #B22234 · Gold #C9A84C
   ============================================================== */
:root{
  --usa-navy:#0B2545;
  --usa-red:#B22234;
  --usa-gold:#C9A84C;
  --usa-gold-light:#E8C97A;
  --usa-cream:#FFFDF7;
  --usa-ink:#061830;
  --usa-muted:#6B7A99;
}

/* Study screen */
.study-screen{background:linear-gradient(160deg,#e8ecf4,#dde4ef)}
.study-screen .app-header{background:linear-gradient(135deg,#07152e,var(--usa-navy));border-bottom:2px solid var(--usa-gold)}
.study-progress{background:#fff;border-bottom:1px solid rgba(11,37,69,.12)}
.study-progress .progress-fill{background:linear-gradient(90deg,var(--usa-red),var(--usa-gold))}
.study-progress .progress-track{background:rgba(11,37,69,.1)}

/* Viewport & scene reset */
.card-viewport{align-items:flex-start;overflow-y:auto;padding:clamp(10px,1.5vw,18px)}
.card-scene{width:min(100%,1200px)!important;height:auto!important;aspect-ratio:auto!important;max-height:none!important;min-height:0!important;margin:auto}

/* Flashcard shell */
.v8-flashcard{width:100%;height:auto;cursor:pointer;transform:none!important;transition:none!important}

/* Card */
.v8-card{
  position:relative;width:100%;
  background:var(--usa-cream);
  border-radius:20px;
  box-shadow:0 6px 32px rgba(7,24,61,.13),0 1px 4px rgba(7,24,61,.07);
  border:1px solid rgba(7,24,61,.1);
  display:flex;flex-direction:column;overflow:hidden;
  animation:v8CardIn .16s ease-out both;
}
@keyframes v8CardIn{from{opacity:.35;transform:translateY(5px)}to{opacity:1;transform:none}}

/* ── Card topbar (thin info bar inside card) ─────────────────────── */
.v8-topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:7px 16px;
  background:linear-gradient(135deg,#07152e,var(--usa-navy));
  border-bottom:2px solid var(--usa-gold);
  gap:12px;flex-shrink:0;
}
.v8-topbar-meta{display:flex;align-items:center;gap:7px;font-size:clamp(12px,1.2vw,15px);font-weight:750;color:rgba(255,255,255,.9)}
.v8-sec-icon{font-size:clamp(15px,1.5vw,19px)}
.v8-dot{color:rgba(255,255,255,.35)}
.v8-uscis-pill{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;background:var(--usa-gold);color:var(--usa-navy);border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.3px;flex-shrink:0}
/* ── Header logos: channel LEFT, 250 RIGHT ── */
.hdr-logo-channel{
  height:clamp(28px,3.4vw,40px);
  width:auto;
  flex-shrink:0;
  filter:
    drop-shadow(0 0 6px rgba(255,255,255,.75))
    drop-shadow(0 0 2px rgba(255,255,255,.9))
    brightness(1.08);
}
.hdr-logo-250{
  height:clamp(32px,3.9vw,46px);
  width:auto;
  flex-shrink:0;
  filter:
    drop-shadow(0 0 7px rgba(255,255,255,.7))
    drop-shadow(0 0 2px rgba(255,255,255,.9))
    brightness(1.1);
}
@media(max-width:479px){
  .hdr-logo-channel{height:26px}
  .hdr-logo-250{height:28px}
}

/* Gold stripe accent under topbar */
.v8-stripe{height:3px;background:repeating-linear-gradient(90deg,var(--usa-red) 0,var(--usa-red) 33.3%,#fff 33.3%,#fff 66.6%,var(--usa-navy) 66.6%,var(--usa-navy) 100%);flex-shrink:0}

/* ── Body: image + content ──────── */
.v8-body{display:flex;flex-direction:column;flex:1;min-height:0}

/* Image wrapper */
.v8-img-wrap{
  position:relative;overflow:hidden;
  background:#c2b49a;flex-shrink:0;
  height:clamp(175px,33vw,250px);
}
.v8-img-wrap img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.v8-img-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,37,69,.22));pointer-events:none}

/* Image swap button */
.v8-swap-btn{
  position:absolute;bottom:10px;right:10px;z-index:5;
  width:34px;height:34px;border-radius:50%;border:2px solid rgba(255,255,255,.8);
  background:rgba(11,37,69,.72);color:#fff;
  display:grid;place-items:center;font-size:15px;
  cursor:pointer;opacity:0;transition:opacity .2s ease;
  backdrop-filter:blur(4px);
}
.v8-img-wrap:hover .v8-swap-btn{opacity:1}
.v8-swap-btn:hover{background:var(--usa-red)!important;opacity:1!important}

/* Content panel */
.v8-content{
  flex:1;display:flex;flex-direction:column;justify-content:center;
  padding:clamp(20px,3vw,42px) clamp(22px,4vw,56px);
  min-height:clamp(180px,28vh,340px);
  background:var(--usa-cream);
}

/* Question badge */
.v8-q-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 16px 5px 7px;
  background:var(--usa-red);color:#fff;border-radius:999px;
  font-size:clamp(12px,1.2vw,16px);font-weight:900;
  align-self:flex-start;margin-bottom:clamp(12px,2.2vh,24px);
  border:2px solid rgba(255,255,255,.15);
}
.v8-q-badge-dot{width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:9px}

/* Question text */
.v8-question{color:var(--usa-ink);font-size:clamp(27px,3.8vw,58px);font-weight:950;line-height:1.12;letter-spacing:-.03em;text-wrap:balance;word-break:normal;overflow-wrap:break-word}
.v8-question-long{font-size:clamp(23px,3.2vw,48px)}
.v8-question-xlong{font-size:clamp(20px,2.7vw,40px);line-height:1.16}
.v8-question-en{margin-top:12px;color:var(--usa-red);font-style:italic;font-size:clamp(12px,1.05vw,16px);line-height:1.4;opacity:.8}

/* Answer */
.v8-answer-label{
  display:flex;align-items:center;gap:8px;
  font-size:clamp(11px,.95vw,14px);font-weight:900;text-transform:uppercase;letter-spacing:1.5px;
  color:var(--usa-red);margin-bottom:clamp(10px,2vh,20px);
}
.v8-answer-label::before,.v8-answer-label::after{content:"";flex:0 0 28px;height:2px;background:var(--usa-gold);opacity:.6}
.v8-answer-main{color:var(--usa-ink);font-size:clamp(34px,5.2vw,72px);font-weight:950;line-height:1.07;letter-spacing:-.035em;text-wrap:balance;word-break:normal;overflow-wrap:break-word}
.v8-answer-long{font-size:clamp(27px,4vw,56px)}
.v8-answer-xlong{font-size:clamp(22px,3.3vw,44px);line-height:1.12}
.v8-answer-en{margin-top:12px;color:var(--usa-red);font-style:italic;font-size:clamp(12px,1vw,16px);line-height:1.3;opacity:.75}
.v8-answer-list{display:flex;flex-direction:column;gap:10px}
.v8-answer-item{display:flex;align-items:center;gap:12px;color:var(--usa-ink);font-size:clamp(17px,2.1vw,30px);font-weight:800;line-height:1.15}
.v8-answer-num{width:32px;height:32px;border-radius:50%;background:var(--usa-red);color:#fff;display:grid;place-items:center;font-size:clamp(12px,1.2vw,16px);font-weight:950;flex-shrink:0}
.v8-local-note{margin-top:12px;padding:7px 12px;background:#fff7e0;border:1px solid rgba(178,34,52,.25);border-radius:8px;color:#7b1118;font-size:12px;font-weight:750}

/* Explanation callout */
.v8-explain{
  margin-top:clamp(14px,2vh,22px);
  padding:clamp(11px,1.5vw,18px) clamp(14px,2vw,22px);
  background:linear-gradient(135deg,rgba(201,168,76,.1),rgba(201,168,76,.05));
  border:1px solid rgba(201,168,76,.45);
  border-left:4px solid var(--usa-gold);
  border-radius:0 12px 12px 0;
  position:relative;
}
.v8-explain-label{
  display:flex;align-items:center;gap:6px;
  font-size:clamp(11px,1vw,13px);font-weight:900;
  text-transform:uppercase;letter-spacing:1px;
  color:var(--usa-navy);opacity:.7;
  margin-bottom:7px;
}
.v8-explain-text{
  color:var(--usa-ink);
  font-size:clamp(13px,1.35vw,18px);
  line-height:1.55;
  font-weight:600;
}

/* Answer content — allow scroll when explain makes it taller */
.v8-content-answer{
  justify-content:flex-start;
  padding-top:clamp(16px,2.5vh,30px);
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(201,168,76,.3) transparent;
}
/* Smaller answer text when explain is shown to fit */
.v8-content-answer .v8-answer-main{font-size:clamp(28px,4.2vw,58px)}
.v8-content-answer .v8-answer-long{font-size:clamp(23px,3.5vw,46px)}
.v8-content-answer .v8-answer-xlong{font-size:clamp(19px,2.9vw,36px)}

@media(max-width:479px){
  .v8-explain{border-radius:0 10px 10px 0;padding:10px 12px}
  .v8-explain-text{font-size:13px}
  .v8-content-answer .v8-answer-main{font-size:clamp(26px,7.5vw,36px)}
}

/* ── Bottom controls — professional unified dock ── */
.audio-row,.card-controls,.know-btns{
  width:min(100%,1200px);
  margin-inline:auto;
  background:#fff;
  border:none;
  box-sizing:border-box;
}
/* Audio row */
.audio-row{
  padding:9px 20px 7px;
  display:flex;justify-content:center;gap:10px;
  border-top:1px solid rgba(11,37,69,.08);
}
.audio-btn{
  border:1px solid rgba(11,37,69,.15)!important;
  background:#f5f7fc!important;
  color:var(--usa-navy)!important;
  font-weight:800;border-radius:999px;
  box-shadow:0 2px 6px rgba(11,37,69,.08);
  padding:8px 18px;font-size:13px;
}
.audio-btn.is-speaking{background:#fff6d7!important;border-color:var(--usa-gold)!important;box-shadow:0 0 0 3px rgba(201,168,76,.18)!important}
/* Nav controls */
.card-controls{
  padding:6px 20px 5px;
  display:flex;align-items:center;gap:12px;
  border-top:1px solid rgba(11,37,69,.06);
}
.card-hint{color:var(--usa-muted);font-size:12px;font-weight:600}
.round-btn{
  background:var(--usa-navy);border:none;color:#fff;
  box-shadow:0 4px 12px rgba(11,37,69,.22);
  width:44px;height:44px;font-size:20px;
  border-radius:50%;flex-shrink:0;
}
.round-btn:disabled{opacity:.3}
/* Know buttons */
.know-btns{
  padding:6px 20px 14px;
  gap:10px;
  border-top:1px solid rgba(11,37,69,.06);
  border-radius:0 0 20px 20px;
  box-shadow:0 6px 20px rgba(11,37,69,.1);
}
.know-no{background:linear-gradient(135deg,#c03040,#8e1a24);border-radius:12px;font-weight:800}
.know-yes{background:linear-gradient(135deg,#178a4a,#0d6535);border-radius:12px;font-weight:800}

/* Desktop: study-screen uses grid so card + controls = exact viewport fit */
@media(min-width:721px){
  .study-screen{
    display:grid;
    grid-template-rows:auto auto 1fr auto auto auto;
    /* app-header, progress, card-viewport, audio, controls, know */
  }
  .card-viewport{
    overflow:hidden;
    padding:10px 14px 0;
    align-items:stretch;
    min-height:0;
  }
  .v8-body{overflow:hidden}
  .card-scene{
    width:min(100%,1200px)!important;
    height:100%!important;
    min-height:0!important;
    max-height:none!important;
    margin:auto;
  }
  .v8-card{height:100%;border-radius:20px 20px 0 0!important;box-shadow:0 4px 24px rgba(11,37,69,.15)}
  /* Controls dock: same max-width as card, no top gap */
  .audio-row,.card-controls,.know-btns{
    width:min(100%,1200px);
    margin-inline:auto;
  }
  .audio-row{padding:8px 24px 7px!important}
  .card-controls{padding:5px 24px 4px!important;min-height:48px}
  .know-btns{padding:6px 24px 14px!important;border-radius:0 0 20px 20px;box-shadow:0 6px 20px rgba(11,37,69,.1)}
}

/* ── Tablet: side by side ─────────── */
@media(min-width:680px){
  .v8-body{flex-direction:row;overflow:hidden}
  .v8-img-wrap{width:clamp(220px,42%,500px);height:auto;min-height:0;flex-shrink:0}
  .v8-img-wrap img{height:100%;object-fit:cover}
  .v8-content{min-height:0;overflow:auto}
  .card-scene{
    height:clamp(320px,calc(var(--app-height,100dvh) - 175px),580px)!important;
    min-height:0!important;
  }
  .v8-card{height:100%;overflow:hidden}
}

/* ── Desktop ──────────────────────── */
@media(min-width:1100px){
  .v8-topbar{padding:10px 28px}
  .v8-img-wrap{width:clamp(340px,42%,560px)}
  .v8-content{padding:clamp(28px,3.2vw,48px) clamp(32px,4.5vw,64px)}
  .card-scene{
    height:clamp(380px,calc(var(--app-height,100dvh) - 170px),640px)!important;
  }
}

/* ── Large screens ────────────────── */
@media(min-width:1500px){.v8-img-wrap{width:44%}}

/* ── Small phones ─────────────────── */
@media(max-width:479px){
  .v8-card{border-radius:14px}
  .v8-img-wrap{height:175px}
  .v8-swap-btn{opacity:.65}
  .v8-content{padding:16px 16px 20px;min-height:160px}
  .v8-q-badge{font-size:13px}
  .v8-question{font-size:clamp(23px,7vw,32px)}
  .v8-question-long{font-size:clamp(20px,6.2vw,28px)}
  .v8-question-xlong{font-size:clamp(18px,5.5vw,25px)}
  .v8-answer-main{font-size:clamp(29px,8.5vw,40px)}
  .v8-answer-long{font-size:clamp(24px,7vw,33px)}
  .v8-answer-xlong{font-size:clamp(20px,5.8vw,28px)}
  .v8-answer-item{font-size:clamp(16px,5vw,22px)}
  .v8-answer-num{width:28px;height:28px;font-size:12px}
  .v8-logo-250{height:32px}
  .v8-logo-channel{height:26px}
}

/* ── Landscape phone ──────────────── */
@media(orientation:landscape) and (max-height:620px){
  .v8-body{flex-direction:row}
  .v8-img-wrap{width:38%;height:auto;min-height:0}
  .v8-content{padding:10px 16px;min-height:0}
  .v8-q-badge{margin-bottom:8px;font-size:12px}
  .v8-question{font-size:clamp(17px,3.4vw,27px)}
  .v8-answer-main{font-size:clamp(22px,4.3vw,34px)}
  .v8-answer-item{font-size:clamp(14px,2.8vw,21px)}
}

/* ── Fixed controls on mobile ─────── */
@media(max-width:720px){
  .study-screen{--study-controls:132px}
  .card-viewport{align-items:flex-start;padding:6px 5px calc(var(--study-controls) + var(--safe-bottom) + 8px);overflow-y:auto;scrollbar-width:none}
  .card-viewport::-webkit-scrollbar{display:none}
  .audio-row,.card-controls,.know-btns{
    position:fixed;left:0;right:0;width:100%!important;z-index:35;margin:0;
    padding-left:max(8px,var(--safe-left))!important;
    padding-right:max(8px,var(--safe-right))!important;
    border-radius:0!important;
    box-shadow:none!important;
  }
  .audio-row{bottom:calc(80px + var(--safe-bottom));padding-top:6px!important;padding-bottom:5px!important}
  .audio-btn{min-height:38px;font-size:12px;padding:7px 12px}
  .card-controls{bottom:calc(38px + var(--safe-bottom));min-height:42px;padding:2px 10px!important}
  .round-btn{width:40px;height:40px;font-size:22px}
  .know-btns{bottom:0;min-height:40px;padding:4px 8px calc(4px + var(--safe-bottom))!important;gap:8px}
  .know-btn{min-height:34px;padding:6px 8px;font-size:11px;border-radius:12px}
  .know-btns[hidden]{display:flex!important;visibility:hidden;pointer-events:none}
}

@media(prefers-reduced-motion:reduce){.v8-card{animation:none!important}}

/* Legacy v7/heritage classes kept as no-ops — no longer rendered */
:root{--v7-navy:#031a3a;
}
.study-screen{
  background:linear-gradient(180deg,#e9edf4,#dbe3ef);
}
.card-viewport{
  align-items:center;
  overflow:auto;
  padding:clamp(7px,1.1vw,15px) clamp(5px,1vw,14px) 8px;
}
.card-scene{
  width:min(97vw,1600px)!important;
  height:auto!important;
  max-height:none!important;
  min-height:0!important;
  aspect-ratio:16/9;
}
.v7-flashcard{
  width:100%;
  height:100%;
  min-height:0;
  transform:none!important;
  transition:none!important;
  cursor:pointer;
}
.v7-card{
  position:relative;
  width:100%;
  height:100%;
  display:grid;
  grid-template-rows:auto minmax(0,1fr) auto;
  overflow:hidden;
  color:var(--v7-ink);
  background:var(--v7-navy);
  border:3px solid var(--v7-gold);
  border-radius:7px;
  box-shadow:0 0 0 2px #071831,0 0 0 5px rgba(215,166,65,.72),0 20px 50px rgba(0,0,0,.38);
  font-family:var(--v7-sans);
  font-synthesis:none;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
.v7-card::before,.v7-card::after{
  content:"";
  position:absolute;
  top:8px;
  width:42px;
  height:42px;
  z-index:8;
  pointer-events:none;
  border-top:2px solid var(--v7-gold-light);
}
.v7-card::before{left:8px;border-left:2px solid var(--v7-gold-light);border-radius:12px 0 0 0}
.v7-card::after{right:8px;border-right:2px solid var(--v7-gold-light);border-radius:0 12px 0 0}
.v7-masthead{
  min-height:112px;
  padding:10px 28px 8px;
  display:grid;
  grid-template-columns:150px minmax(0,1fr) 125px;
  align-items:center;
  gap:20px;
  background:
    radial-gradient(circle at 50% -20%,rgba(255,215,120,.13),transparent 43%),
    linear-gradient(180deg,#031633,#061e43);
  border-bottom:2px solid var(--v7-gold);
}
.v7-part-badge{
  justify-self:start;
  width:116px;
  min-height:84px;
  padding:11px 8px 9px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:linear-gradient(150deg,#0c315f,#06172e 75%);
  border:3px solid var(--v7-gold);
  border-radius:16px 16px 30px 30px;
  box-shadow:inset 0 0 0 2px #062047,inset 0 0 18px rgba(0,0,0,.35),0 5px 12px rgba(0,0,0,.35);
}
.v7-part-badge span{font-size:19px;font-weight:900;line-height:1;letter-spacing:.4px}
.v7-part-badge strong{margin-top:4px;color:#fff;font-size:34px;line-height:1;font-weight:950}
.v7-heading{text-align:center;min-width:0}
.v7-title-line{height:12px;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--v7-gold)}
.v7-title-line span{width:min(24%,280px);height:2px;background:linear-gradient(90deg,transparent,var(--v7-gold))}
.v7-title-line span:last-child{background:linear-gradient(90deg,var(--v7-gold),transparent)}
.v7-title-line b{font-size:17px;line-height:1}
.v7-main-title{
  margin-top:1px;
  color:#fff;
  font-family:var(--v7-sans);
  font-size:clamp(31px,3.55vw,60px);
  line-height:1.02;
  font-weight:950;
  letter-spacing:-.035em;
  white-space:nowrap;
  text-shadow:0 3px 0 rgba(0,0,0,.72),0 6px 12px rgba(0,0,0,.45);
}
.v7-subtitle-ribbon{
  width:min(94%,1060px);
  min-height:43px;
  margin:8px auto 0;
  padding:7px 26px 8px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  color:#fff;
  background:linear-gradient(180deg,#b51b22,#780a10);
  border:2px solid var(--v7-gold);
  clip-path:polygon(2% 0,98% 0,100% 50%,98% 100%,2% 100%,0 50%);
  box-shadow:inset 0 0 12px rgba(0,0,0,.25);
  font-family:var(--v7-sans);
  font-size:clamp(15px,1.55vw,24px);
  font-weight:800;
  line-height:1.16;
}
.v7-subtitle-ribbon span{min-width:0;text-wrap:balance;word-break:normal;overflow-wrap:normal}
.v7-subtitle-ribbon b{color:var(--v7-gold-light);font-size:.88em}
.v7-seal{justify-self:end;width:98px;aspect-ratio:1;filter:drop-shadow(0 4px 7px rgba(0,0,0,.55))}
.v7-seal img{display:block;width:100%;height:100%;object-fit:contain}
.v7-slide-body{
  min-height:0;
  padding:10px 13px 7px;
  background:
    linear-gradient(rgba(250,247,238,.97),rgba(246,241,229,.97)),
    radial-gradient(circle at 15% 85%,rgba(22,56,112,.07),transparent 28%);
}
.v7-question-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);
  grid-template-rows:minmax(0,1fr) auto;
  gap:10px;
}
.v7-answer-layout{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(410px,.92fr);
  gap:12px;
}
.v7-answer-left{
  min-width:0;
  min-height:0;
  display:grid;
  grid-template-rows:auto minmax(0,1fr);
  gap:10px;
}
.v7-question-panel{
  min-width:0;
  min-height:0;
  padding:clamp(20px,2.7vw,42px) clamp(24px,3.2vw,54px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  border:2px solid #d4ae62;
  border-radius:26px;
  background:
    linear-gradient(rgba(255,255,255,.84),rgba(252,249,240,.90)),
    radial-gradient(circle at 15% 85%,rgba(24,55,110,.09),transparent 38%);
  box-shadow:inset 0 0 28px rgba(122,79,22,.10),0 6px 18px rgba(48,40,26,.08);
  overflow:auto;
}
.v7-question-panel-compact{
  padding:16px 28px 15px;
  justify-content:flex-start;
}
.v7-question-badge{
  align-self:flex-start;
  min-height:54px;
  padding:8px 24px 8px 16px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  background:linear-gradient(180deg,#b4141c,#79080e);
  border:2px solid #8e0c12;
  border-radius:40px 8px 8px 40px;
  box-shadow:0 4px 8px rgba(0,0,0,.2),inset 0 0 0 2px rgba(255,255,255,.08);
  font-size:clamp(21px,2vw,33px);
  line-height:1;
}
.v7-badge-star{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  color:#fff;background:#8d0a10;border:2px solid #fff;box-shadow:0 0 0 3px #8d0a10;
}
.v7-question-badge strong{font-weight:950;letter-spacing:.2px}
.v7-uscis-star{margin-left:2px;color:var(--v7-gold-light);font-size:10px;font-weight:900}
.v7-question{
  margin-top:clamp(18px,3vh,34px);
  color:var(--v7-ink);
  font-family:var(--v7-sans);
  font-size:clamp(34px,3.65vw,61px);
  line-height:1.12;
  font-weight:950;
  letter-spacing:-.035em;
  text-align:left;
  text-wrap:balance;
  word-break:normal;
  overflow-wrap:break-word;
  hyphens:none;
}
.v7-question-long{font-size:clamp(29px,3.05vw,50px)}
.v7-question-xlong{font-size:clamp(25px,2.65vw,43px);line-height:1.14}
.v7-question-panel-compact .v7-question{margin-top:12px;font-size:clamp(26px,2.65vw,43px);line-height:1.13}
.v7-question-panel-compact .v7-question-long{font-size:clamp(23px,2.25vw,37px)}
.v7-question-panel-compact .v7-question-xlong{font-size:clamp(20px,1.95vw,32px)}
.v7-question-en{
  margin-top:13px;
  color:#8c1b24;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(13px,1.1vw,18px);
  line-height:1.35;
  font-style:italic;
}
.v7-art-panel{
  position:relative;
  min-width:0;
  min-height:0;
  margin:0;
  overflow:hidden;
  border:2px solid #b98b3c;
  border-radius:24px;
  background:#d9c69c;
  box-shadow:inset 0 0 24px rgba(42,27,8,.32),0 6px 18px rgba(48,40,26,.12);
}
.v7-art-panel img{
  display:block;
  width:100%;
  height:100%;
  min-height:100%;
  object-fit:cover;
  object-position:center;
  filter:saturate(1.02) contrast(1.04) brightness(.98);
}
.v7-art-shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 64%,rgba(2,18,43,.38))}
.v7-art-panel figcaption{
  position:absolute;
  left:18px;right:18px;bottom:12px;
  padding:7px 12px;
  color:#fff;
  background:rgba(3,25,58,.90);
  border:1px solid var(--v7-gold);
  border-radius:8px;
  text-align:center;
  font-size:clamp(11px,.95vw,15px);
  font-weight:750;
  line-height:1.15;
}
.v7-explain-panel{
  grid-column:1/-1;
  min-height:108px;
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  overflow:hidden;
  color:#fff;
  background:linear-gradient(180deg,#07315d,#031b3d);
  border:2px solid var(--v7-gold);
  border-radius:18px;
  box-shadow:inset 0 0 0 2px rgba(4,24,52,.82);
}
.v7-explain-heading{
  padding:13px 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  color:#09254b;
  background:linear-gradient(90deg,#f0c66d,#dca83e);
  clip-path:polygon(0 0,90% 0,100% 50%,90% 100%,0 100%);
  font-size:clamp(21px,2vw,32px);
}
.v7-explain-heading strong{font-weight:950;letter-spacing:.2px}
.v7-explain-icon{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  color:#f1c66d;background:#06244a;border:3px solid #e3b652;font-size:27px;
}
.v7-explain-copy{
  padding:12px 26px 10px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:7px;
  min-width:0;
}
.v7-explain-copy p{margin:0;display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;align-items:start;font-size:clamp(14px,1.27vw,20px);line-height:1.28;font-weight:650}
.v7-explain-copy p span{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;color:#06244a;background:#efc86f;font-weight:950}
.v7-answer-panel{
  min-width:0;
  min-height:0;
  display:grid;
  grid-template-rows:auto minmax(0,1fr);
  overflow:hidden;
  border:3px solid #06234a;
  border-radius:26px;
  background:#fff;
  box-shadow:0 0 0 2px var(--v7-gold),0 7px 18px rgba(0,0,0,.12);
}
.v7-answer-heading{
  min-height:70px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  color:#fff;
  background:linear-gradient(180deg,#07315d,#031b3d);
  border-bottom:2px solid var(--v7-gold);
  font-size:clamp(30px,3vw,50px);
  font-weight:950;
}
.v7-answer-heading span{color:var(--v7-gold-light);font-size:.75em}
.v7-answer-body{
  min-height:0;
  padding:clamp(18px,2.2vw,32px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:auto;
  background:linear-gradient(rgba(255,255,255,.96),rgba(251,247,236,.96));
}
.v7-answer-main{
  color:var(--v7-ink);
  font-size:clamp(36px,4.2vw,70px);
  line-height:1.07;
  font-weight:950;
  letter-spacing:-.035em;
  text-align:center;
  text-wrap:balance;
  word-break:normal;
  overflow-wrap:break-word;
}
.v7-answer-long{font-size:clamp(30px,3.4vw,56px)}
.v7-answer-xlong{font-size:clamp(25px,2.8vw,45px);line-height:1.12}
.v7-answer-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px 28px;
}
.v7-answer-list-dense{gap:11px 20px}
.v7-answer-item{
  min-width:0;
  display:grid;
  grid-template-columns:46px minmax(0,1fr);
  gap:12px;
  align-items:center;
  color:var(--v7-ink);
  font-size:clamp(22px,2.25vw,38px);
  line-height:1.08;
}
.v7-answer-item span{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;background:#980d14;font-weight:950}
.v7-answer-item strong{font-weight:900;word-break:normal;overflow-wrap:break-word}
.v7-answer-en{margin-top:14px;color:#8b1b24;text-align:center;font-family:Georgia,"Times New Roman",serif;font-size:clamp(12px,1vw,17px);font-style:italic;line-height:1.3}
.v7-local-note{margin:12px auto 0;padding:7px 11px;color:#7b1118;background:#fff5d7;border:1px solid rgba(143,23,28,.35);border-radius:8px;font-size:11px;font-weight:800;text-align:center}
.v7-footer{
  min-height:48px;
  padding:7px 20px 8px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  color:#fff;
  background:linear-gradient(180deg,#05254d,#031a3a);
  border-top:2px solid var(--v7-gold);
  font-size:clamp(18px,1.7vw,27px);
  line-height:1;
}
.v7-footer span,.v7-footer i{color:var(--v7-gold-light);font-style:normal}
.v7-footer b{font-weight:850}

@media (max-width:1100px) and (min-width:721px){
  .v7-masthead{min-height:88px;padding:7px 18px 6px;grid-template-columns:100px minmax(0,1fr) 82px;gap:12px}
  .v7-part-badge{width:80px;min-height:65px;padding:7px 5px;border-radius:12px 12px 22px 22px}
  .v7-part-badge span{font-size:13px}.v7-part-badge strong{font-size:25px}
  .v7-main-title{font-size:clamp(25px,4vw,40px)}
  .v7-subtitle-ribbon{min-height:34px;margin-top:5px;padding:5px 18px;font-size:clamp(11px,1.8vw,16px)}
  .v7-seal{width:68px}
  .v7-question-layout{grid-template-columns:minmax(0,1fr) minmax(300px,.92fr)}
  .v7-answer-layout{grid-template-columns:minmax(0,1.05fr) minmax(310px,.95fr)}
  .v7-explain-panel{grid-template-columns:220px minmax(0,1fr)}
  .v7-question{font-size:clamp(28px,4vw,43px)}
  .v7-question-long{font-size:clamp(25px,3.4vw,37px)}
  .v7-question-xlong{font-size:clamp(21px,3vw,32px)}
}

@media (max-width:720px){
  .study-screen{--study-controls:142px}
  .study-screen .app-header .header-inner{min-height:46px;padding:4px 8px}
  .card-viewport{align-items:flex-start;padding:4px 3px calc(var(--study-controls) + var(--safe-bottom) + 7px);overflow-y:auto;scrollbar-width:none}
  .card-viewport::-webkit-scrollbar{display:none}
  .card-scene{width:100%!important;height:auto!important;aspect-ratio:auto!important;max-height:none!important}
  .v7-flashcard{height:auto}
  .v7-card{height:auto;min-height:0;border-width:2px;border-radius:5px;box-shadow:0 6px 20px rgba(0,0,0,.28)}
  .v7-masthead{min-height:58px;padding:5px 7px 4px;grid-template-columns:45px minmax(0,1fr) 42px;gap:5px}
  .v7-part-badge{width:40px;min-height:45px;padding:4px 2px;border-width:1px;border-radius:7px 7px 12px 12px}
  .v7-part-badge span{font-size:7px}.v7-part-badge strong{font-size:14px;margin-top:2px}
  .v7-title-line{display:none}
  .v7-main-title{font-size:clamp(15px,4.45vw,20px);line-height:1;letter-spacing:-.025em;white-space:nowrap}
  .v7-subtitle-ribbon{width:100%;min-height:0;margin-top:4px;padding:3px 6px;font-size:clamp(7px,2.2vw,10px);line-height:1.12;gap:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .v7-subtitle-ribbon span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .v7-seal{width:39px}
  .v7-slide-body{padding:5px 5px 3px}
  .v7-question-layout,.v7-answer-layout{display:flex;flex-direction:column;gap:6px}
  .v7-answer-left{display:flex;flex-direction:column;gap:6px}
  .v7-question-panel{order:1;padding:12px 13px 13px;border-radius:12px;overflow:visible}
  .v7-question-panel-compact{padding:10px 12px}
  .v7-question-badge{min-height:34px;padding:5px 12px 5px 8px;gap:7px;border-width:1px;border-radius:24px 6px 6px 24px;font-size:15px}
  .v7-badge-star{width:24px;height:24px;border-width:1px;box-shadow:0 0 0 2px #8d0a10;font-size:11px}
  .v7-uscis-star{font-size:7px}
  .v7-question{margin-top:10px;font-size:clamp(24px,7.2vw,34px);line-height:1.1;text-align:left}
  .v7-question-long{font-size:clamp(21px,6.25vw,29px)}
  .v7-question-xlong{font-size:clamp(18px,5.4vw,25px);line-height:1.14}
  .v7-question-panel-compact .v7-question{font-size:clamp(19px,5.8vw,27px);margin-top:8px}
  .v7-question-panel-compact .v7-question-long{font-size:clamp(18px,5.2vw,24px)}
  .v7-question-panel-compact .v7-question-xlong{font-size:clamp(16px,4.7vw,22px)}
  .v7-question-en{margin-top:7px;font-size:10px;line-height:1.25}
  .v7-art-panel{order:2;height:clamp(150px,24vh,190px);min-height:150px;border-radius:10px}
  .v7-art-panel figcaption{left:8px;right:8px;bottom:7px;padding:4px 7px;font-size:9px;border-radius:5px}
  .v7-explain-panel{order:3;min-height:0;display:block;border-radius:11px}
  .v7-explain-heading{min-height:39px;padding:6px 10px;clip-path:none;gap:8px;font-size:16px}
  .v7-explain-icon{width:26px;height:26px;border-width:2px;font-size:14px}
  .v7-explain-copy{padding:8px 10px 9px;gap:5px}
  .v7-explain-copy p{grid-template-columns:20px minmax(0,1fr);gap:6px;font-size:11px;line-height:1.28}
  .v7-explain-copy p span{width:17px;height:17px;font-size:9px}
  .v7-answer-panel{order:2;border-width:2px;border-radius:12px;box-shadow:0 0 0 1px var(--v7-gold)}
  .v7-answer-heading{min-height:42px;gap:14px;font-size:22px}
  .v7-answer-body{padding:12px 11px 14px;overflow:visible}
  .v7-answer-main{font-size:clamp(29px,8.7vw,42px)}
  .v7-answer-long{font-size:clamp(24px,7vw,34px)}
  .v7-answer-xlong{font-size:clamp(20px,5.8vw,28px)}
  .v7-answer-list{grid-template-columns:1fr;gap:7px}
  .v7-answer-item{grid-template-columns:32px minmax(0,1fr);gap:9px;font-size:clamp(18px,5.2vw,24px)}
  .v7-answer-item span{width:30px;height:30px;font-size:14px}
  .v7-answer-en{margin-top:8px;font-size:10px}
  .v7-answer-layout .v7-art-panel{order:3}
  .v7-footer{min-height:31px;padding:5px 7px;gap:6px;font-size:12px}
  .v7-footer span{display:none}
}

@media (max-width:390px){
  .v7-art-panel{height:145px;min-height:145px}
  .v7-main-title{font-size:14px}
  .v7-question{font-size:24px}
  .v7-footer{font-size:11px}
}

html.browser-facebook.device-ios .card-viewport{
  padding-bottom:calc(152px + var(--safe-bottom));
}
html.browser-facebook.device-ios .v7-art-panel{
  height:165px;
  min-height:165px;
}


/* V8 hard fix: remove ONLY the small illustration swap button; keep image visible */
button.v8-swap-btn,
.v8-swap-btn,
.v8-img-wrap .v8-swap-btn,
.v8-img-wrap:hover .v8-swap-btn {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}


/* Howard Civics V9.1 — Learning Lab, mobile-first */
.mode-learning-lab{background:linear-gradient(145deg,#fff,#eef5ff);border-color:rgba(23,59,114,.18)}
.learning-lab-screen{background:linear-gradient(180deg,#eef3fb,#fffaf0)}
.ll-tabs{display:flex;gap:8px;overflow-x:auto;padding:10px 12px;background:#fff;border-bottom:1px solid rgba(7,24,61,.08);-webkit-overflow-scrolling:touch;scrollbar-width:none}
.ll-tabs::-webkit-scrollbar{display:none}.ll-tab-btn{border:1px solid rgba(7,24,61,.12);background:#fff;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:850;color:var(--navy);white-space:nowrap;min-height:38px}.ll-tab-btn.active{background:var(--navy);color:#fff;border-color:var(--gold);box-shadow:0 5px 14px rgba(7,24,61,.18)}
.learning-lab-content{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;padding:14px;display:block;padding-bottom:calc(44px + var(--safe-bottom))}.ll-hero{border-radius:22px;background:radial-gradient(circle at 15% 20%,rgba(240,209,139,.6),transparent 28%),linear-gradient(135deg,#07183d,#173b72);color:#fff;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:var(--shadow)}.ll-hero h2{font-family:Georgia,serif;font-size:clamp(24px,5vw,40px);line-height:1.08;margin:4px 0 8px}.ll-hero p{font-size:13px;line-height:1.45;color:rgba(255,255,255,.82)}.ll-hero-badge{width:68px;height:68px;border-radius:50%;background:linear-gradient(145deg,#fff8e6,#d2aa53);color:var(--navy);display:grid;place-items:center;font-family:Georgia,serif;font-size:25px;font-weight:900;flex:none}.ll-overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin-top:14px}.ll-tile{min-height:128px;border:1px solid rgba(7,24,61,.08);border-radius:18px;background:#fff;box-shadow:0 4px 15px rgba(7,24,61,.06);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:14px;gap:5px}.ll-tile span{font-size:30px}.ll-tile strong{font-size:15px;color:var(--navy)}.ll-tile small{font-size:11px;color:var(--muted);line-height:1.3}.ll-section-head{background:#fff;border-radius:18px;padding:14px 15px;margin-bottom:12px;box-shadow:0 4px 16px rgba(7,24,61,.07);border:1px solid rgba(7,24,61,.06)}.ll-section-head h2{font-family:Georgia,serif;font-size:22px;color:var(--navy);line-height:1.15}.ll-section-head p{font-size:12px;color:var(--muted);line-height:1.4;margin-top:5px}.ll-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.ll-card{background:#fff;border-radius:17px;padding:12px;border:1px solid rgba(7,24,61,.08);box-shadow:0 4px 14px rgba(7,24,61,.06);display:flex;gap:11px;align-items:flex-start}.ll-card-main{min-width:0;flex:1}.ll-card h3{font-size:17px;line-height:1.25;color:var(--navy);margin-bottom:4px}.ll-role{display:inline-block;border-radius:999px;background:#eef3fb;color:#173b72;font-size:11px;font-weight:850;padding:4px 8px;margin-bottom:6px}.ll-hint{font-size:12px;color:#8c2230;font-style:italic;margin-top:2px}.ll-vi{font-size:13px;font-weight:800;color:#243154;margin-top:3px;line-height:1.35}.ll-note{font-size:12px;color:#626b78;line-height:1.38;margin-top:4px}.ll-audio{width:38px;min-width:38px;height:38px;border:0;border-radius:50%;background:linear-gradient(145deg,#f0d18b,#d2aa53);color:var(--navy);font-size:17px;display:grid;place-items:center;box-shadow:0 5px 12px rgba(7,24,61,.12)}.ll-q-row{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.ll-q-chip{border:0;border-radius:999px;padding:5px 8px;background:#f4f0e6;color:#7b1020;font-size:11px;font-weight:850}.ll-subtitle{font-size:17px;color:var(--navy);padding:16px 4px 8px}.ll-board-wrap{background:#fff;border-radius:20px;padding:12px;margin-bottom:14px;border:1px solid rgba(7,24,61,.08);box-shadow:0 5px 18px rgba(7,24,61,.07)}.ll-board-title{display:flex;flex-direction:column;gap:3px;margin-bottom:10px}.ll-board-title strong{color:var(--navy);font-size:16px}.ll-board-title span{color:var(--muted);font-size:12px}.ll-board{position:relative;height:min(66vw,480px);min-height:360px;border-radius:18px;overflow:hidden;background:radial-gradient(circle at 50% 12%,rgba(240,209,139,.8),transparent 18%),linear-gradient(135deg,#07183d,#102b63 52%,#8c2230);border:2px solid rgba(210,170,83,.65)}.ll-board::before{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.18);border-radius:14px}.ll-hotspot{position:absolute;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:8px 10px;min-width:84px;background:rgba(255,255,255,.92);color:var(--navy);font-size:11px;font-weight:900;box-shadow:0 8px 18px rgba(0,0,0,.18);white-space:normal}.ll-hotspot:active{transform:translate(-50%,-50%) scale(.96)}.ll-hotspot-detail{margin:8px 0 14px}.ll-pop-card{position:relative;background:#fff;border-radius:18px;padding:16px;border:2px solid rgba(210,170,83,.55);box-shadow:0 10px 30px rgba(7,24,61,.16)}.ll-pop-card h3{font-size:22px;color:var(--navy);margin-right:40px}.ll-pop-card p{font-size:13px;color:#475166;line-height:1.42;margin-top:8px}.ll-audio-pop{position:absolute;right:46px;top:12px}.ll-quiz-box{margin-top:14px}.ll-quiz-card,.ll-result{background:#fff;border-radius:20px;padding:15px;border:1px solid rgba(7,24,61,.08);box-shadow:0 5px 18px rgba(7,24,61,.07)}.ll-quiz-count{font-size:12px;font-weight:900;color:#8c2230;margin-bottom:6px}.ll-quiz-card h3{font-size:20px;color:var(--navy);line-height:1.25;margin-bottom:10px}.ll-choice-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:12px}.ll-choice-grid button{border:1px solid rgba(7,24,61,.1);background:#fff;border-radius:14px;padding:12px;text-align:left;font-weight:800;color:#172039}.ll-ok,.ll-no{margin-top:12px;border-radius:14px;padding:11px;font-size:13px;font-weight:850}.ll-ok{background:#e8f8ef;color:#087d46}.ll-no{background:#fff0f1;color:#a91d2d}
@media(max-width:700px){.learning-lab-content{padding:11px}.ll-hero{align-items:flex-start}.ll-hero-badge{width:54px;height:54px;font-size:20px}.ll-card-grid{grid-template-columns:1fr}.ll-board{height:520px;min-height:520px}.ll-hotspot{font-size:10px;min-width:76px;padding:7px 8px}.ll-tabs{padding-inline:10px}.ll-tab-btn{font-size:11px;padding:8px 11px}.ll-card h3{font-size:16px}}
@media(min-width:900px){.learning-lab-content{max-width:1120px;margin:0 auto;width:100%}.ll-choice-grid{grid-template-columns:1fr 1fr}}


/* Howard Civics — Full Program Center: responsive for phone, tablet, desktop */
.mode-program-center{background:linear-gradient(145deg,#fff,#eefaf4);border-color:rgba(8,125,70,.18)}
.program-center-screen{background:linear-gradient(180deg,#eef3fb,#fffaf0)}
.pg-tabs{display:flex;gap:8px;overflow-x:auto;padding:10px 12px;background:#fff;border-bottom:1px solid rgba(7,24,61,.08);-webkit-overflow-scrolling:touch;scrollbar-width:none}
.pg-tabs::-webkit-scrollbar{display:none}
.pg-tab-btn{border:1px solid rgba(7,24,61,.12);background:#fff;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:850;color:var(--navy);white-space:nowrap;min-height:38px}
.pg-tab-btn.active{background:var(--green);color:#fff;border-color:var(--gold);box-shadow:0 5px 14px rgba(7,24,61,.18)}
.program-center-content{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;padding:14px;padding-bottom:calc(44px + var(--safe-bottom));display:block}
.pg-hero{border-radius:22px;background:radial-gradient(circle at 15% 20%,rgba(240,209,139,.62),transparent 28%),linear-gradient(135deg,#07183d,#087d46);color:#fff;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:var(--shadow)}
.pg-hero h2{font-family:Georgia,serif;font-size:clamp(24px,5vw,40px);line-height:1.08;margin:4px 0 8px}
.pg-hero p{font-size:13px;line-height:1.45;color:rgba(255,255,255,.84)}
.pg-badge{width:70px;height:70px;border-radius:50%;background:linear-gradient(145deg,#fff8e6,#d2aa53);color:var(--navy);display:grid;place-items:center;font-family:Georgia,serif;font-size:18px;font-weight:900;flex:none}
.pg-program-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:10px;margin-top:14px}
.pg-tile{min-height:132px;border:1px solid rgba(7,24,61,.08);border-radius:18px;background:#fff;box-shadow:0 4px 15px rgba(7,24,61,.06);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:14px;gap:5px}
.pg-tile span{font-size:30px}.pg-tile strong{font-size:15px;color:var(--navy)}.pg-tile small{font-size:11px;color:var(--muted);line-height:1.3}
.pg-head{background:#fff;border-radius:18px;padding:14px 15px;margin-bottom:12px;box-shadow:0 4px 16px rgba(7,24,61,.07);border:1px solid rgba(7,24,61,.06)}
.pg-head h2{font-family:Georgia,serif;font-size:22px;color:var(--navy);line-height:1.15}.pg-head p{font-size:12px;color:var(--muted);line-height:1.4;margin-top:5px}
.pg-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
.pg-card{background:#fff;border-radius:17px;padding:12px;border:1px solid rgba(7,24,61,.08);box-shadow:0 4px 14px rgba(7,24,61,.06);display:flex;gap:11px;align-items:flex-start}
.pg-card-copy{min-width:0;flex:1}.pg-card h3{font-size:17px;line-height:1.25;color:var(--navy);margin-bottom:4px}
.pg-audio{width:38px;min-width:38px;height:38px;border:0;border-radius:50%;background:linear-gradient(145deg,#f0d18b,#d2aa53);color:var(--navy);font-size:17px;display:grid;place-items:center;box-shadow:0 5px 12px rgba(7,24,61,.12)}
.pg-vi{font-size:13px;font-weight:800;color:#243154;margin-top:3px;line-height:1.35}.pg-note{font-size:12px;color:#626b78;line-height:1.38;margin-top:4px}
.pg-hint{font-size:12px;color:#8c2230;font-style:italic;margin-top:4px}.pg-answer{font-size:12px;color:#087d46;font-weight:850;margin-top:4px}
.pg-warning{background:#fff6da;color:#6c5112;border:1px solid rgba(210,170,83,.45);border-radius:15px;padding:11px;font-size:12px;line-height:1.45;margin-bottom:12px}
.pg-q-row{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.pg-q-chip{border:0;border-radius:999px;padding:5px 8px;background:#f4f0e6;color:#7b1020;font-size:11px;font-weight:850}
.pg-story-list{display:grid;gap:10px}.pg-story{background:#fff;border-radius:18px;padding:14px;border:1px solid rgba(7,24,61,.08);box-shadow:0 4px 14px rgba(7,24,61,.06)}
.pg-story h3{font-size:18px;color:var(--navy);line-height:1.2;margin:4px 0 6px}.pg-story p{font-size:13px;color:#4c5668;line-height:1.45}.pg-story strong{display:block;margin-top:8px;color:#8c2230;font-size:13px}
.pg-period,.pg-role{display:inline-block;border-radius:999px;background:#eef3fb;color:#173b72;font-size:11px;font-weight:850;padding:4px 8px;margin-bottom:6px}
.pg-big-icon{font-size:34px;width:46px;height:46px;display:grid;place-items:center;flex:none}.pg-citizen-card{align-items:center}
.pg-board-wrap{background:#fff;border-radius:20px;padding:12px;margin-bottom:14px;border:1px solid rgba(7,24,61,.08);box-shadow:0 5px 18px rgba(7,24,61,.07)}
.pg-board-title{display:flex;flex-direction:column;gap:3px;margin-bottom:10px}.pg-board-title strong{color:var(--navy);font-size:16px}.pg-board-title span{color:var(--muted);font-size:12px}
.pg-board{position:relative;height:min(66vw,480px);min-height:360px;border-radius:18px;overflow:hidden;background:radial-gradient(circle at 50% 12%,rgba(240,209,139,.8),transparent 18%),linear-gradient(135deg,#07183d,#102b63 52%,#087d46);border:2px solid rgba(210,170,83,.65)}
.pg-board::before{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.18);border-radius:14px}
.pg-hotspot{position:absolute;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:8px 10px;min-width:84px;background:rgba(255,255,255,.92);color:var(--navy);font-size:11px;font-weight:900;box-shadow:0 8px 18px rgba(0,0,0,.18);white-space:normal}
.pg-hotspot-detail{margin:8px 0 14px}.pg-pop-card{position:relative;background:#fff;border-radius:18px;padding:16px;border:2px solid rgba(210,170,83,.55);box-shadow:0 10px 30px rgba(7,24,61,.16)}
.pg-pop-card h3{font-size:22px;color:var(--navy);margin-right:40px}.pg-pop-card p{font-size:13px;color:#475166;line-height:1.42;margin-top:8px}.pg-pop-audio{position:absolute;right:46px;top:12px}
.pg-quiz-box{margin-top:14px}.pg-quiz-card,.pg-result{background:#fff;border-radius:20px;padding:15px;border:1px solid rgba(7,24,61,.08);box-shadow:0 5px 18px rgba(7,24,61,.07)}
.pg-count{font-size:12px;font-weight:900;color:#8c2230;margin-bottom:6px}.pg-quiz-card h3{font-size:20px;color:var(--navy);line-height:1.25;margin-bottom:10px}
.pg-choice-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:12px}.pg-choice-grid button{border:1px solid rgba(7,24,61,.1);background:#fff;border-radius:14px;padding:12px;text-align:left;font-weight:800;color:#172039}
.pg-ok,.pg-no{margin-top:12px;border-radius:14px;padding:11px;font-size:13px;font-weight:850}.pg-ok{background:#e8f8ef;color:#087d46}.pg-no{background:#fff0f1;color:#a91d2d}
@media(max-width:700px){.program-center-content{padding:11px}.pg-hero{align-items:flex-start}.pg-badge{width:54px;height:54px;font-size:14px}.pg-card-grid{grid-template-columns:1fr}.pg-board{height:520px;min-height:520px}.pg-hotspot{font-size:10px;min-width:76px;padding:7px 8px}.pg-tabs{padding-inline:10px}.pg-tab-btn{font-size:11px;padding:8px 11px}.pg-card h3{font-size:16px}}
@media(min-width:900px){.program-center-content{max-width:1120px;margin:0 auto;width:100%}.pg-choice-grid{grid-template-columns:1fr 1fr}}


/* English 128 Mode + Azure Audio Master */
.mode-english128{background:linear-gradient(145deg,#fff,#eef4ff);border-color:rgba(25,70,155,.18)}
.english128-screen{background:linear-gradient(180deg,#eef3fb,#fff)}
.en128-tabs{display:flex;gap:8px;overflow-x:auto;padding:10px 12px;background:#fff;border-bottom:1px solid rgba(7,24,61,.08);-webkit-overflow-scrolling:touch}
.en128-tabs button{border:1px solid rgba(7,24,61,.12);background:#fff;border-radius:999px;padding:9px 14px;font-size:12px;font-weight:900;color:var(--navy);white-space:nowrap}
.en128-tabs button.active{background:#173b72;color:#fff;border-color:#d2aa53}
.english128-content{padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(44px + var(--safe-bottom))}
.en128-card{max-width:880px;margin:0 auto;background:#fff;border-radius:24px;padding:18px;border:1px solid rgba(7,24,61,.08);box-shadow:0 8px 26px rgba(7,24,61,.10)}
.en128-progress{font-size:12px;font-weight:900;color:#8c2230;margin-bottom:10px}
.en128-card h2{font-family:Georgia,serif;font-size:clamp(26px,6vw,46px);line-height:1.12;color:var(--navy);margin-bottom:15px}
.en128-actions,.en128-nav{display:flex;flex-wrap:wrap;gap:9px;margin:12px 0}
.en128-actions button,.en128-nav button,.en128-card button,.en128-hint-btn,.en128-big-listen,.en128-reveal{border:0;border-radius:14px;padding:12px 14px;background:#173b72;color:#fff;font-weight:900;box-shadow:0 4px 12px rgba(7,24,61,.12)}
.en128-actions button:nth-child(2),.en128-big-listen.secondary{background:#087d46}.en128-actions button:nth-child(3),.en128-reveal{background:#8c2230}
.en128-answer{background:#f7f1e4;border:1px solid rgba(210,170,83,.45);border-radius:18px;padding:14px;margin:12px 0}
.en128-answer span{display:block;font-size:12px;font-weight:900;color:#8c2230;margin-bottom:5px}
.en128-answer strong{display:block;font-size:clamp(25px,7vw,50px);line-height:1.05;color:#087d46;margin-bottom:10px}
.en128-hint{background:#eef8f1;border-radius:16px;padding:12px;color:#243154;font-size:14px;line-height:1.45;margin-top:10px}
.en128-big-listen{display:block;width:100%;font-size:18px;margin:10px 0;min-height:58px}
.en128-choice-grid{display:grid;gap:10px;margin-top:14px}.en128-choice-grid button{background:#fff;color:#172039;text-align:left;border:1px solid rgba(7,24,61,.12)}
.en128-ok,.en128-no{margin-top:12px;border-radius:14px;padding:12px;font-weight:900}.en128-ok{background:#e8f8ef;color:#087d46}.en128-no{background:#fff0f1;color:#a91d2d}
.en128-score{font-size:52px;font-weight:900;color:#087d46;margin:16px 0}
.en128-head{background:#fff;border-radius:18px;padding:14px;margin-bottom:12px;border:1px solid rgba(7,24,61,.08)}
.en128-head h2{font-size:26px;margin:0 0 6px}.en128-head p{color:var(--muted);font-size:13px}
.en128-speaking{max-width:960px;margin:0 auto}.en128-speaking-row{display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:16px;padding:10px;margin-bottom:8px;box-shadow:0 4px 14px rgba(7,24,61,.06)}
.en128-speaking-row button{border:0;border-radius:50%;width:38px;height:38px;background:linear-gradient(145deg,#f0d18b,#d2aa53);flex:none}
.en128-speaking-row strong{display:block;color:var(--navy);font-size:18px}.en128-speaking-row small{display:block;color:var(--muted);font-size:12px;line-height:1.35;margin-top:3px}
@media(max-width:700px){.english128-content{padding:11px}.en128-card{border-radius:20px;padding:15px}.en128-actions button,.en128-nav button{flex:1;min-width:120px}.en128-tabs button{font-size:11px;padding:8px 12px}}


/* English 128 Visual Cards */
.en128-visual{max-width:1180px;margin:0 auto}.en128-visual-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:18px;padding:10px 12px;margin-bottom:10px;box-shadow:0 4px 14px rgba(7,24,61,.06)}.en128-visual-toolbar button,.en128-visual-actions button{border:0;border-radius:14px;padding:11px 13px;background:#173b72;color:#fff;font-weight:900}.en128-visual-toolbar strong{font-size:14px;color:var(--navy);text-align:center}.en128-visual-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.en128-visual-actions button:nth-child(2){background:#087d46}.en128-visual-actions button:nth-child(3){background:#8c2230}.en128-slide-card{background:#fff;border-radius:20px;padding:10px;margin-bottom:14px;border:1px solid rgba(7,24,61,.08);box-shadow:0 8px 24px rgba(7,24,61,.08)}.en128-slide-label{font-size:12px;font-weight:950;letter-spacing:.06em;color:#173b72;margin:2px 2px 8px}.en128-slide-label.answer{color:#8c2230}.en128-slide-card img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid rgba(7,24,61,.08);background:#f5f7fb}@media(max-width:700px){.en128-visual-toolbar{position:sticky;top:0;z-index:5}.en128-visual-toolbar button{padding:10px 9px;font-size:12px}.en128-visual-actions button{flex:1;min-width:110px}.en128-slide-card{padding:6px;border-radius:16px}.en128-slide-card img{border-radius:11px}}


/* N-400 Master Guide — real module */
.mode-n400-master{background:linear-gradient(145deg,#fff,#fff6e6);border-color:rgba(210,170,83,.45)}
.n400-master-screen{background:linear-gradient(180deg,#eef3fb,#fffaf0)}
.n400-tabs{display:flex;gap:8px;overflow-x:auto;padding:10px 12px;background:#fff;border-bottom:1px solid rgba(7,24,61,.08);-webkit-overflow-scrolling:touch}
.n400-tabs::-webkit-scrollbar{display:none}
.n400-tab-btn{border:1px solid rgba(7,24,61,.12);background:#fff;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:900;color:var(--navy);white-space:nowrap}
.n400-tab-btn.active{background:#8c2230;color:#fff;border-color:#d2aa53}
.n400-master-content{padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(48px + var(--safe-bottom));max-width:1180px;margin:0 auto;width:100%}
.n400-hero{border-radius:24px;background:radial-gradient(circle at 18% 10%,rgba(240,209,139,.58),transparent 30%),linear-gradient(135deg,#07183d,#8c2230);color:#fff;padding:18px;display:flex;justify-content:space-between;gap:14px;align-items:center;box-shadow:var(--shadow)}
.n400-hero h2{font-family:Georgia,serif;font-size:clamp(24px,5vw,42px);line-height:1.08;margin:4px 0 8px}.n400-hero p{font-size:13px;color:rgba(255,255,255,.86);line-height:1.45}
.n400-seal{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#fff8e6,#d2aa53);color:#07183d;font-family:Georgia,serif;font-weight:950;flex:none}
.n400-warning,.n400-danger{background:#fff4d9;border:1px solid rgba(210,170,83,.55);color:#614609;border-radius:16px;padding:12px;margin:12px 0;font-size:13px;line-height:1.45}
.n400-danger{background:#fff0f1;color:#8c2230;border-color:rgba(140,34,48,.22)}
.n400-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-top:13px}
.n400-tile{min-height:136px;border:1px solid rgba(7,24,61,.08);border-radius:18px;background:#fff;box-shadow:0 5px 16px rgba(7,24,61,.07);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:14px;gap:5px}
.n400-tile span{font-size:30px}.n400-tile strong{font-size:15px;color:var(--navy)}.n400-tile small{font-size:11px;color:var(--muted);line-height:1.32}
.n400-head{background:#fff;border-radius:18px;padding:14px 15px;margin-bottom:12px;border:1px solid rgba(7,24,61,.07);box-shadow:0 5px 16px rgba(7,24,61,.06)}
.n400-head h2{font-family:Georgia,serif;color:var(--navy);font-size:24px;line-height:1.15}.n400-head p{font-size:13px;color:var(--muted);line-height:1.42;margin-top:4px}
.n400-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px}
.n400-card,.n400-part9-card,.n400-drill-card{background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:18px;padding:14px;box-shadow:0 5px 16px rgba(7,24,61,.06)}
.n400-card h3,.n400-part9-card h3{font-size:18px;color:var(--navy);line-height:1.2;margin-bottom:5px}.n400-card p,.n400-part9-card p{font-size:13px;color:#485264;line-height:1.45;margin:7px 0}
.n400-sub,.n400-group,.n400-count{display:inline-block;border-radius:999px;background:#eef3fb;color:#173b72;font-size:11px;font-weight:900;padding:5px 8px;margin-bottom:7px}
.n400-chip{display:inline-block;border-radius:999px;background:#f7f1e4;color:#7b1020;font-size:11px;font-weight:850;padding:5px 8px;margin:4px 4px 0 0}
.n400-practice{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.n400-practice button,.n400-line-audio,.n400-audio,.n400-part9-nav button,.n400-index button,.n400-drill-select button{border:0;border-radius:13px;background:#173b72;color:#fff;font-weight:900;padding:10px 11px;font-size:12px;margin:4px 4px 4px 0}
.n400-audio.slow{background:#087d46}.n400-audio.big{width:100%;min-height:52px;font-size:15px}
.n400-detail{background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:18px;margin-bottom:10px;overflow:hidden;box-shadow:0 5px 16px rgba(7,24,61,.06)}
.n400-detail summary{cursor:pointer;padding:14px;display:flex;flex-direction:column;gap:3px}.n400-detail summary strong{color:var(--navy);font-size:17px}.n400-detail summary span{color:#8c2230;font-size:13px;font-weight:850}
.n400-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;padding:0 14px 14px}.n400-cols h4{color:var(--navy);margin:6px 0}.n400-cols li,.n400-card li{font-size:13px;line-height:1.4;margin:5px 0;color:#485264}
.n400-part9-nav{display:flex;justify-content:space-between;align-items:center;gap:8px;background:#fff;border-radius:16px;padding:10px;margin-bottom:10px;border:1px solid rgba(7,24,61,.08)}
.n400-part9-nav strong{color:var(--navy);font-size:13px}.n400-official{font-size:18px!important;color:#10192d!important;font-weight:850}.n400-answer{font-size:16px!important;color:#087d46!important;font-weight:900!important}
.n400-index{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}.n400-index button{background:#fff;color:#173b72;border:1px solid rgba(7,24,61,.12);padding:8px 10px}.n400-index button.active{background:#8c2230;color:#fff}
.n400-vi{background:#eef8f1;border-radius:14px;padding:10px;margin:8px 0;color:#243154;font-size:13px;line-height:1.42}
.n400-vocab-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:9px}.n400-vocab{display:flex;gap:10px;background:#fff;border-radius:16px;padding:11px;border:1px solid rgba(7,24,61,.08);box-shadow:0 5px 14px rgba(7,24,61,.06)}
.n400-vocab button{border:0;border-radius:50%;width:38px;height:38px;min-width:38px;background:linear-gradient(145deg,#f0d18b,#d2aa53)}.n400-vocab h3{color:var(--navy);font-size:17px}.n400-vocab strong{color:#8c2230;font-size:13px}.n400-vocab p{font-size:12px;color:#5d6675;line-height:1.35;margin-top:3px}
.n400-drill-select{display:flex;gap:8px;overflow-x:auto;margin-bottom:10px}.n400-drill-select button{background:#fff;color:#173b72;border:1px solid rgba(7,24,61,.12);white-space:nowrap}.n400-drill-select button.active{background:#173b72;color:#fff}
.n400-drill-card h2{font-family:Georgia,serif;font-size:clamp(24px,6vw,44px);line-height:1.12;color:var(--navy);margin:10px 0 14px}
@media(max-width:700px){.n400-master-content{padding:11px}.n400-hero{align-items:flex-start}.n400-seal{width:56px;height:56px;font-size:13px}.n400-card-grid,.n400-vocab-list{grid-template-columns:1fr}.n400-tabs{padding-inline:10px}.n400-tab-btn{font-size:11px;padding:8px 11px}.n400-part9-nav button{flex:1}.n400-cols{grid-template-columns:1fr}}


/* Final All-7 update: N-400 premium dashboard + Audio Center + personal checklist */
.n400-hero-premium{position:relative;overflow:hidden}
.n400-hero-premium::after{content:"";position:absolute;right:-60px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08)}
.n400-dashboard{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin:12px 0}
.n400-dash-card{border:1px solid rgba(210,170,83,.42);border-radius:18px;background:linear-gradient(145deg,#fff,#fff8e6);box-shadow:0 6px 18px rgba(7,24,61,.08);padding:13px;min-height:122px;text-align:center;display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.n400-dash-card span{font-size:28px}.n400-dash-card strong{font-size:15px;color:var(--navy)}.n400-dash-card small{font-size:11px;color:#6b7280;line-height:1.3}
.n400-personal-box{background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:20px;padding:14px;box-shadow:0 6px 18px rgba(7,24,61,.07)}
.n400-personal-row{display:flex;gap:10px;align-items:flex-start;background:#f8fafc;border:1px solid rgba(7,24,61,.06);border-radius:14px;padding:11px;margin-bottom:8px}
.n400-personal-row input{width:22px;height:22px;accent-color:#087d46;flex:none}.n400-personal-row span{font-size:14px;line-height:1.35;color:#1d2a44;font-weight:750}
.n400-personal-output{margin-top:12px}.n400-personal-output h3{color:var(--navy);font-size:20px;margin-bottom:8px}.n400-personal-output li{font-size:14px;margin:6px 0;color:#344054;line-height:1.35}
.mode-audio-manager{background:linear-gradient(145deg,#fff,#eef8ff);border-color:rgba(23,59,114,.2)}
.audio-manager-screen{background:linear-gradient(180deg,#eef3fb,#fff)}
.audio-manager-content{padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(48px + var(--safe-bottom));max-width:1120px;margin:0 auto;width:100%}
.audio-hero{border-radius:24px;background:radial-gradient(circle at 12% 20%,rgba(240,209,139,.55),transparent 28%),linear-gradient(135deg,#07183d,#173b72);color:#fff;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:var(--shadow);margin-bottom:12px}
.audio-hero h2{font-family:Georgia,serif;font-size:clamp(24px,5vw,40px);line-height:1.08;margin:4px 0 8px}.audio-hero p{font-size:13px;color:rgba(255,255,255,.86);line-height:1.4}.audio-hero-icon{width:62px;height:62px;border-radius:50%;background:linear-gradient(145deg,#fff8e6,#d2aa53);display:grid;place-items:center;font-size:30px;flex:none}
.audio-quick-row,.audio-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.audio-quick-row button,.audio-actions button{border:0;border-radius:14px;background:#173b72;color:#fff;padding:12px 14px;font-weight:900;box-shadow:0 5px 14px rgba(7,24,61,.12)}
.audio-quick-row button:nth-child(2){background:#8c2230}.audio-quick-row button:nth-child(3){background:#087d46}
.audio-group-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:12px}
.audio-group-card{border:1px solid rgba(7,24,61,.08);border-radius:18px;background:#fff;padding:13px;min-height:134px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:4px;box-shadow:0 5px 15px rgba(7,24,61,.06)}
.audio-group-card.active{border-color:#d2aa53;box-shadow:0 0 0 3px rgba(210,170,83,.25)}.audio-group-card span{font-size:28px}.audio-group-card strong{color:var(--navy);font-size:15px}.audio-group-card small{font-size:11px;color:var(--muted);line-height:1.3}.audio-group-card em{font-size:11px;color:#8c2230;font-weight:900;font-style:normal}
.audio-help{background:#fff6da;border:1px solid rgba(210,170,83,.45);border-radius:15px;padding:11px;font-size:12px;color:#6b5213;line-height:1.4;margin-bottom:12px}
.audio-status-card{background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:18px;padding:14px;box-shadow:0 6px 18px rgba(7,24,61,.07);margin-bottom:10px}
.audio-status-card h3{color:var(--navy);font-size:18px;margin-bottom:8px}.audio-status-card details{margin-top:10px}.audio-status-card li{font-size:11px;color:#475467;margin:4px 0;word-break:break-all}
.audio-progress{height:12px;background:#eef2f7;border-radius:999px;overflow:hidden;margin:10px 0}.audio-progress span{display:block;height:100%;background:linear-gradient(90deg,#087d46,#d2aa53);border-radius:999px}
.audio-stats{display:flex;gap:10px;flex-wrap:wrap;color:#344054;font-size:13px}.audio-stats b{color:#8c2230}
@media(max-width:700px){.audio-manager-content{padding:11px}.audio-quick-row button,.audio-actions button{flex:1;min-width:142px}.audio-group-grid{grid-template-columns:1fr 1fr}.audio-group-card{min-height:122px;padding:10px}.n400-dashboard{grid-template-columns:1fr 1fr}.n400-dash-card{min-height:112px;padding:10px}.n400-personal-row span{font-size:13px}}


/* Bilingual 128 Flashcards — Vietnamese + English, same premium layout */
.bilingual-choice-screen,.bilingual-study-screen{background:linear-gradient(180deg,#eef3fb,#fffaf0)}
.bilingual-choice-content,.bilingual-study-content{padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(48px + var(--safe-bottom));max-width:1120px;margin:0 auto;width:100%}
.bi-choice-hero{border-radius:24px;background:radial-gradient(circle at 16% 16%,rgba(240,209,139,.6),transparent 30%),linear-gradient(135deg,#07183d,#173b72);color:#fff;padding:18px;display:flex;justify-content:space-between;gap:14px;align-items:center;box-shadow:var(--shadow);margin-bottom:14px}
.bi-choice-hero h2{font-family:Georgia,serif;font-size:clamp(28px,6vw,48px);line-height:1.06;margin:4px 0 8px}.bi-choice-hero p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.42}
.bi-choice-count{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#fff8e6,#d2aa53);color:#07183d;font-size:28px;font-weight:950;flex:none}
.bi-choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.bi-choice-card{min-height:190px;border:1px solid rgba(7,24,61,.08);border-radius:24px;background:#fff;box-shadow:0 8px 26px rgba(7,24,61,.10);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:18px}
.bi-choice-card.vi{background:linear-gradient(145deg,#fff,#fff8e6)}.bi-choice-card.en{background:linear-gradient(145deg,#fff,#eef4ff)}
.bi-choice-card span{font-size:42px}.bi-choice-card strong{font-size:24px;color:var(--navy);font-family:Georgia,serif}.bi-choice-card small{font-size:14px;color:var(--muted);line-height:1.35;max-width:310px}
.bi-choice-note{margin-top:12px;background:#fff6da;border:1px solid rgba(210,170,83,.45);border-radius:16px;padding:12px;color:#6b5213;font-size:13px;line-height:1.42}
.bi-progress{height:10px;background:#dfe6f1;border-radius:999px;overflow:hidden;margin-bottom:14px}.bi-progress span{display:block;height:100%;background:linear-gradient(90deg,#173b72,#d2aa53);border-radius:999px}
.bi-study-card-wrap{display:flex;justify-content:center}.bi-study-card{width:min(100%,920px);min-height:380px;background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:26px;padding:24px;box-shadow:0 12px 34px rgba(7,24,61,.12);cursor:pointer;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.bi-study-card::after{content:"";position:absolute;inset:auto -80px -120px auto;width:260px;height:260px;border-radius:50%;background:rgba(210,170,83,.12)}
.bi-study-card.flipped{background:linear-gradient(145deg,#fff,#fffaf0);border-color:rgba(210,170,83,.5)}
.bi-card-top{position:absolute;top:16px;left:18px;right:18px;display:flex;justify-content:space-between;gap:10px;align-items:center;color:#8c2230;font-size:12px;font-weight:950}.bi-card-top span{text-transform:uppercase;letter-spacing:.05em}.bi-card-top strong{color:var(--navy)}
.bi-card-label{font-size:13px;font-weight:950;letter-spacing:.08em;color:#8c2230;margin-bottom:8px;text-transform:uppercase}
.bi-study-card h2{font-family:Georgia,serif;font-size:clamp(34px,7vw,68px);line-height:1.06;color:#07183d;margin:8px 0 14px;max-width:820px;position:relative;z-index:1}
.bi-study-card h2.long{font-size:clamp(25px,5vw,48px);line-height:1.13}
.bi-study-card p{font-size:clamp(16px,2.5vw,22px);line-height:1.36;color:#5b6475;max-width:820px;position:relative;z-index:1}
.bi-card-hint{position:absolute;left:18px;bottom:16px;color:#6b7280;font-size:12px;font-weight:800}
.bi-audio-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:14px 0}
.bi-audio-row button{border:0;border-radius:14px;padding:12px 16px;background:#173b72;color:#fff;font-weight:950;box-shadow:0 6px 16px rgba(7,24,61,.16);min-width:140px}
.bi-audio-row button.slow{background:#087d46}.bi-audio-row button.answer{background:#8c2230}
.bi-controls{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.bi-controls button{border:0;border-radius:14px;padding:12px 16px;background:#fff;color:#173b72;border:1px solid rgba(7,24,61,.1);font-weight:950;box-shadow:0 4px 12px rgba(7,24,61,.07);min-width:125px}.bi-controls button:disabled{opacity:.45}
.bi-sec-buttons{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.bi-sec-buttons button{border:0;border-radius:999px;padding:7px 10px;font-size:11px;font-weight:900;color:#fff}.bi-sec-buttons .vi{background:#087d46}.bi-sec-buttons .en{background:#173b72}
.section-actions .bi-section-action{background:#173b72;color:#fff}.section-actions .bi-section-action:first-child{background:#087d46}
@media(max-width:700px){
  .bilingual-choice-content,.bilingual-study-content{padding:11px}
  .bi-choice-hero{align-items:flex-start}.bi-choice-count{width:58px;height:58px;font-size:20px}
  .bi-choice-grid{grid-template-columns:1fr}.bi-choice-card{min-height:160px;border-radius:20px}
  .bi-choice-card strong{font-size:21px}.bi-study-card{min-height:430px;padding:20px 17px;border-radius:22px}
  .bi-card-top{top:13px;left:14px;right:14px;font-size:11px}.bi-study-card h2{font-size:clamp(30px,9vw,48px)}
  .bi-study-card h2.long{font-size:clamp(22px,7vw,34px)}.bi-audio-row button,.bi-controls button{flex:1;min-width:110px}
  .bi-sec-buttons button{font-size:10px;padding:7px 8px}
}


/* N-400 Master Guide — sticky floating tab menu fix */
.n400-master-screen{
  --n400-header-h: 64px;
}

/* Keep the N-400 header stable above the tab menu */
.n400-master-screen > .app-header{
  position: sticky;
  top: 0;
  z-index: 320;
  box-shadow: 0 4px 16px rgba(7,24,61,.18);
}

/* The tab bar stays visible while scrolling, below the dark header */
.n400-master-screen .n400-tabs{
  position: sticky;
  top: var(--n400-header-h);
  z-index: 310;
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 9px 12px 10px;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(7,24,61,.10);
  box-shadow: 0 8px 20px rgba(7,24,61,.10);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

/* Prevent the buttons from being clipped or squeezed */
.n400-master-screen .n400-tab-btn{
  flex: 0 0 auto;
  white-space: nowrap;
  min-height: 36px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  scroll-margin-inline: 24px;
}

/* Give the content enough room so the sticky menu does not cover the first title */
.n400-master-screen .n400-master-content{
  scroll-padding-top: calc(var(--n400-header-h) + 66px);
  padding-top: 16px;
}

/* A soft edge hint that the menu can scroll horizontally */
.n400-master-screen .n400-tabs::after{
  content: "";
  position: sticky;
  right: -12px;
  flex: 0 0 24px;
  width: 24px;
  height: 36px;
  margin-left: -16px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.96));
}

/* Same sticky behavior for the English 128 and program tab bars, so the app feels consistent */
.english128-screen > .app-header,
.program-center-screen > .app-header,
.audio-manager-screen > .app-header,
.bilingual-choice-screen > .app-header,
.bilingual-study-screen > .app-header{
  position: sticky;
  top: 0;
  z-index: 300;
}

.english128-screen .en128-tabs,
.program-center-screen .pg-tabs{
  position: sticky;
  top: 64px;
  z-index: 290;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 20px rgba(7,24,61,.10);
  min-height: 54px;
  align-items: center;
}

/* Mobile tuning */
@media(max-width:700px){
  .n400-master-screen{
    --n400-header-h: 62px;
  }
  .n400-master-screen .n400-tabs{
    top: var(--n400-header-h);
    padding: 8px 10px 9px;
    min-height: 52px;
  }
  .n400-master-screen .n400-tab-btn{
    min-height: 34px;
    padding: 8px 11px;
    font-size: 11px;
  }
  .n400-master-screen .n400-master-content{
    padding-top: 13px;
  }
  .english128-screen .en128-tabs,
  .program-center-screen .pg-tabs{
    top: 62px;
    min-height: 52px;
  }
}


/* Complete Citizenship Guide A-Z */
.mode-complete-guide{background:linear-gradient(145deg,#fff,#fff9e9);border-color:rgba(210,170,83,.45)}
.complete-guide-screen{background:linear-gradient(180deg,#eef3fb,#fffaf0)}
.complete-guide-screen > .app-header{position:sticky;top:0;z-index:340;box-shadow:0 4px 16px rgba(7,24,61,.18)}
.cg-tabs{position:sticky;top:64px;z-index:330;display:flex;gap:8px;overflow-x:auto;overflow-y:hidden;padding:9px 12px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(7,24,61,.1);box-shadow:0 8px 20px rgba(7,24,61,.1)}
.cg-tab-btn{flex:0 0 auto;border:1px solid rgba(7,24,61,.12);border-radius:999px;background:#fff;color:#07183d;padding:9px 13px;font-size:12px;font-weight:900;white-space:nowrap}.cg-tab-btn.active{background:#8c2230;color:#fff;border-color:#d2aa53}
.complete-guide-content{max-width:1180px;margin:0 auto;padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(48px + var(--safe-bottom))}
.cg-hero{border-radius:24px;background:radial-gradient(circle at 18% 10%,rgba(240,209,139,.58),transparent 30%),linear-gradient(135deg,#07183d,#087d46);color:#fff;padding:18px;display:flex;justify-content:space-between;align-items:center;gap:14px;box-shadow:var(--shadow);margin-bottom:13px}
.cg-hero h2{font-family:Georgia,serif;font-size:clamp(26px,6vw,48px);line-height:1.06;margin:4px 0 8px}.cg-hero p{font-size:13px;color:rgba(255,255,255,.86);line-height:1.42}.cg-seal{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#fff8e6,#d2aa53);color:#07183d;font-family:Georgia,serif;font-weight:950;flex:none}
.cg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.cg-tile{border:1px solid rgba(7,24,61,.08);border-radius:18px;background:#fff;box-shadow:0 6px 18px rgba(7,24,61,.07);min-height:132px;padding:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:5px}.cg-tile span{font-size:30px}.cg-tile strong{font-size:15px;color:#07183d}.cg-tile small{font-size:11px;color:#667085;line-height:1.3}
.cg-head{background:#fff;border-radius:18px;padding:14px 15px;margin-bottom:12px;border:1px solid rgba(7,24,61,.07);box-shadow:0 5px 16px rgba(7,24,61,.06)}.cg-head h2{font-family:Georgia,serif;color:#07183d;font-size:24px}.cg-head p{font-size:13px;color:#667085;margin-top:4px}
.cg-roadmap{display:grid;gap:10px}.cg-step{display:flex;gap:12px;background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:18px;padding:14px;box-shadow:0 5px 16px rgba(7,24,61,.06)}.cg-step-num{width:46px;height:46px;border-radius:50%;background:linear-gradient(145deg,#f0d18b,#d2aa53);display:grid;place-items:center;font-weight:950;color:#07183d;flex:none}.cg-step h3{font-size:18px;color:#07183d}.cg-step p{font-size:13px;color:#475467;line-height:1.4;margin:5px 0}.cg-step button,.cg-card button,.cg-big,.cg-nav button{border:0;border-radius:13px;background:#173b72;color:#fff;font-weight:900;padding:10px 12px;margin:4px 4px 0 0}
.cg-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}.cg-card,.cg-danger,.cg-mock-card,.cg-progress,.cg-result{background:#fff;border:1px solid rgba(7,24,61,.08);border-radius:18px;padding:14px;box-shadow:0 5px 16px rgba(7,24,61,.06)}.cg-card h3,.cg-danger h3,.cg-result h3{font-size:18px;color:#07183d;margin-bottom:6px}.cg-card p,.cg-danger p,.cg-result p{font-size:13px;color:#475467;line-height:1.4}.cg-card li{font-size:13px;color:#475467;margin:6px 0}.cg-count,.cg-pill{display:inline-block;border-radius:999px;background:#eef3fb;color:#173b72;font-size:11px;font-weight:900;padding:5px 8px;margin-bottom:7px}.cg-tip{background:#fff6da;border:1px solid rgba(210,170,83,.45);border-radius:14px;color:#6b5213;padding:10px;margin-top:8px;font-size:12px;line-height:1.35}
.cg-mock-card h2{font-family:Georgia,serif;color:#07183d;font-size:clamp(24px,5vw,44px);line-height:1.12;margin:10px 0}.cg-big{width:100%;min-height:52px;font-size:15px}.cg-big.slow{background:#087d46}.cg-big.answer{background:#8c2230}.cg-answer{background:#eef8f1;border-radius:16px;padding:12px;color:#087d46;font-size:18px;font-weight:900;margin:10px 0}.cg-nav{display:flex;gap:8px}.cg-nav button{flex:1}.cg-danger{border-color:rgba(140,34,48,.22);background:#fffafa}.cg-danger strong{color:#8c2230}
.cg-search input{width:100%;border:1px solid rgba(7,24,61,.14);border-radius:16px;padding:14px;font-size:16px;font-weight:800;margin-bottom:12px}.cg-result span{display:inline-block;color:#8c2230;font-size:11px;font-weight:950;margin-bottom:4px}.cg-mini-audio{border:0;border-radius:999px;background:#173b72;color:#fff;font-size:11px;padding:4px 7px}.cg-progress-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}.cg-progress-grid div{background:#f8fafc;border-radius:16px;padding:14px;text-align:center}.cg-progress-grid strong{display:block;color:#8c2230;font-size:34px}.cg-progress-grid span{font-size:12px;color:#667085}
.senior-mode{font-size:118%}.senior-mode button{min-height:46px!important}.senior-mode .mode-card small,.senior-mode p,.senior-mode li{font-size:115%!important}.senior-mode .bi-study-card h2,.senior-mode .en128-card h2{font-size:clamp(38px,8vw,72px)!important}
@media(max-width:700px){.cg-tabs{top:62px;padding:8px 10px}.cg-tab-btn{font-size:11px;padding:8px 11px}.complete-guide-content{padding:11px}.cg-hero{align-items:flex-start}.cg-seal{width:56px;height:56px;font-size:14px}.cg-grid,.cg-card-grid{grid-template-columns:1fr 1fr}.cg-card-grid{grid-template-columns:1fr}.cg-progress-grid{grid-template-columns:1fr}.cg-step{padding:12px}.cg-step-num{width:38px;height:38px}}


/* Rescue no-spinner boot */
body.rescue-home-forced #home{display:block}
.rescue-home-forced .app-tools-panel::before{
  content:"Rescue mode: app đã mở lại sau khi xóa cache cũ.";
  display:block;
  background:#fff6da;
  border:1px solid rgba(210,170,83,.45);
  border-radius:14px;
  padding:10px;
  margin-bottom:10px;
  color:#6b5213;
  font-size:12px;
  font-weight:800;
}


/* v20 anti-freeze note */
body.rescue-home-forced #home{display:block}


/* v21 unified English/Vietnamese visual flashcards */
.bilingual-study-screen .bilingual-study-content{
  background:linear-gradient(180deg,#cfd6df 0%,#eef3f8 55%,#fff 100%);
}
.bi-visual-stage{
  max-width:1260px;
  margin:0 auto 12px;
  padding:0 8px;
}
.bi-visual-card{
  width:100%;
  min-height:520px;
  background:#fffdf8;
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 20px 42px rgba(7,24,61,.20);
  border:1px solid rgba(7,24,61,.10);
  cursor:pointer;
}
.bi-visual-top{
  height:50px;
  background:#071f43;
  color:#fff;
  border-bottom:3px solid #d2aa53;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 30px;
  font-weight:950;
  letter-spacing:.01em;
}
.bi-visual-top span{font-size:14px}
.bi-visual-top strong{font-size:13px;color:#f8df9b}
.bi-visual-body{
  display:grid;
  grid-template-columns:minmax(340px,42%) 1fr;
  min-height:470px;
}
.bi-visual-image{
  position:relative;
  background:#d8e4f1;
  min-height:470px;
  overflow:hidden;
  border-right:1px solid rgba(7,24,61,.08);
}
.bi-visual-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.bi-visual-image.image-missing::before{
  content:"🇺🇸";
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  font-size:96px;
  background:linear-gradient(135deg,#eef3fb,#fff6da);
}
.bi-visual-ribbon{
  position:absolute;
  left:24px;
  right:24px;
  bottom:24px;
  background:linear-gradient(135deg,#09224b,#173b72);
  color:#fff;
  border:2px solid rgba(210,170,83,.75);
  border-radius:18px;
  text-align:center;
  padding:16px 10px;
  font-family:Georgia,serif;
  font-size:24px;
  font-weight:950;
  letter-spacing:.04em;
  box-shadow:0 10px 24px rgba(7,24,61,.35);
}
.bi-visual-text{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
  padding:54px 64px;
  color:#07183d;
}
.bi-visual-text .bi-card-label{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:8px 18px;
  background:linear-gradient(145deg,#c22f49,#9d2034);
  color:#fff;
  font-size:15px;
  font-weight:950;
  box-shadow:0 5px 12px rgba(140,34,48,.22);
  margin-bottom:24px;
}
.bi-visual-text .bi-card-label::before{
  content:"★";
  font-size:12px;
  margin-right:9px;
  opacity:.85;
}
.bi-visual-text h2{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:clamp(34px,5vw,62px);
  line-height:1.08;
  letter-spacing:-.04em;
  color:#07183d;
  max-width:760px;
  margin:0;
}
.english-card .bi-visual-text h2{
  font-size:clamp(34px,5.2vw,64px);
}
.answer-face .bi-visual-text h2{
  color:#087d46;
}
.bi-visual-text h2.long{
  font-size:clamp(28px,4.2vw,48px);
  letter-spacing:-.025em;
}
.bi-visual-text p{
  margin-top:16px;
  font-size:clamp(14px,1.5vw,20px);
  color:#b14b58;
  font-style:italic;
  line-height:1.42;
}
.english-card .bi-visual-text p{
  color:#6b7280;
  font-style:normal;
}
.bi-visual-text .bi-card-hint{
  margin-top:28px;
  color:#667085;
  font-size:13px;
  font-weight:800;
}
.bi-study-card-wrap{display:none!important}
@media(max-width:850px){
  .bi-visual-card{min-height:auto}
  .bi-visual-top{height:auto;min-height:48px;padding:10px 14px;gap:10px}
  .bi-visual-top span,.bi-visual-top strong{font-size:12px}
  .bi-visual-body{grid-template-columns:1fr}
  .bi-visual-image{min-height:260px;border-right:0;border-bottom:1px solid rgba(7,24,61,.08)}
  .bi-visual-text{padding:28px 24px 32px}
  .bi-visual-text h2{font-size:clamp(28px,8vw,44px)}
  .english-card .bi-visual-text h2{font-size:clamp(28px,8vw,44px)}
  .bi-visual-ribbon{font-size:18px;left:14px;right:14px;bottom:14px;padding:12px}
}


/* v25 — per-question language choice in all 7 sections */
.q-item .q-text{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.q-item .q-text strong{
  font-weight:800;
  color:#07183d;
}
.q-item .q-text small{
  color:#667085;
  font-size:12px;
  font-style:italic;
  line-height:1.25;
}
.qlang-modal-backdrop{
  position:fixed;
  inset:0;
  z-index:9000;
  background:rgba(7,24,61,.48);
  display:grid;
  place-items:center;
  padding:18px;
}
.qlang-modal-backdrop[hidden]{
  display:none!important;
}
.qlang-modal{
  width:min(620px,96vw);
  border-radius:26px;
  background:#fffdf8;
  box-shadow:0 26px 80px rgba(7,24,61,.34);
  border:1px solid rgba(210,170,83,.45);
  padding:22px;
  position:relative;
}
.qlang-modal .modal-close{
  position:absolute;
  top:12px;
  right:12px;
  width:38px;
  height:38px;
  border:0;
  border-radius:50%;
  background:#eef3fb;
  color:#07183d;
  font-weight:900;
}
.qlang-badge{
  display:inline-flex;
  padding:7px 13px;
  border-radius:999px;
  background:#071f43;
  color:#f8df9b;
  font-weight:950;
  font-size:12px;
  margin-bottom:10px;
}
.qlang-modal h2{
  font-family:Georgia,serif;
  font-size:clamp(24px,4vw,38px);
  color:#07183d;
  margin:0 0 10px;
}
.qlang-modal p{
  margin:5px 0;
  color:#475467;
  line-height:1.36;
}
#qlang-question-vi{
  font-weight:900;
  color:#07183d;
}
#qlang-question-en{
  color:#9d2034;
  font-style:italic;
}
.qlang-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:18px;
}
.qlang-btn{
  border:0;
  border-radius:22px;
  padding:18px 14px;
  min-height:138px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  color:#fff;
  box-shadow:0 12px 26px rgba(7,24,61,.16);
}
.qlang-btn span{
  font-size:34px;
}
.qlang-btn strong{
  font-size:17px;
  font-weight:950;
}
.qlang-btn small{
  font-size:12px;
  opacity:.9;
}
.qlang-btn.vi{
  background:linear-gradient(145deg,#087d46,#0f995b);
}
.qlang-btn.en{
  background:linear-gradient(145deg,#173b72,#071f43);
}
@media(max-width:650px){
  .qlang-actions{
    grid-template-columns:1fr;
  }
  .qlang-btn{
    min-height:104px;
  }
}