/* styles.css - VA Scholars
   Bright, friendly, kid-first UI. Fredoka (display) + Nunito (body).
   Accessibility hooks via html[data-font], html[data-contrast], html[data-motion]. */

/* ---------- fonts ---------- */
@font-face { font-family:"Fredoka"; src:url("../fonts/fredoka-500.woff2") format("woff2"); font-weight:500; font-display:swap; }
@font-face { font-family:"Fredoka"; src:url("../fonts/fredoka-600.woff2") format("woff2"); font-weight:600; font-display:swap; }
@font-face { font-family:"Fredoka"; src:url("../fonts/fredoka-700.woff2") format("woff2"); font-weight:700; font-display:swap; }
@font-face { font-family:"Nunito"; src:url("../fonts/nunito-400.woff2") format("woff2"); font-weight:400; font-display:swap; }
@font-face { font-family:"Nunito"; src:url("../fonts/nunito-600.woff2") format("woff2"); font-weight:600; font-display:swap; }
@font-face { font-family:"Nunito"; src:url("../fonts/nunito-700.woff2") format("woff2"); font-weight:700; font-display:swap; }
@font-face { font-family:"Nunito"; src:url("../fonts/nunito-800.woff2") format("woff2"); font-weight:800; font-display:swap; }

/* ---------- tokens ---------- */
:root{
  --bg:#eef6fb;
  --bg-soft:#ffffff;
  --ink:#16314a;
  --ink-soft:#5b7187;
  --line:#dbe7f0;
  --primary:#1c7ed6;
  --primary-d:#1864ab;
  --accent:#1c7ed6;        /* overridden per-subject inline */
  --good:#2f9e44;
  --good-bg:#ebfbee;
  --bad:#e8590c;
  --bad-bg:#fff4e6;
  --gold:#f59f00;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 6px 20px rgba(24,49,74,.10);
  --shadow-sm:0 2px 8px rgba(24,49,74,.08);
  --base-font:17px;
  --display:"Fredoka", system-ui, sans-serif;
  --body:"Nunito", system-ui, sans-serif;
}
html[data-font="small"]{ --base-font:15px; }
html[data-font="medium"]{ --base-font:17px; }
html[data-font="large"]{ --base-font:20px; }
html[data-contrast="high"]{
  --bg:#ffffff; --bg-soft:#ffffff; --ink:#000000; --ink-soft:#1a1a1a;
  --line:#000000; --primary:#0b4aa2; --primary-d:#06306e; --shadow:none; --shadow-sm:none;
}
html[data-contrast="high"] *{ outline-offset:2px; }

/* ---------- boot splash (shown before app.js mounts) ---------- */
.boot-splash{
  min-height:100vh; min-height:100dvh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:6px; text-align:center;
  background:linear-gradient(160deg,#1c7ed6,#1565b8);
  color:#fff; font-family:var(--display);
}
.boot-star{ font-size:4rem; color:#ffd43b; animation:bootPulse 1.1s ease-in-out infinite; }
.boot-title{ font-size:2rem; font-weight:700; letter-spacing:.5px; }
.boot-sub{ font-family:var(--body); font-weight:600; opacity:.85; }
@keyframes bootPulse{ 0%,100%{ transform:scale(1); opacity:.9; } 50%{ transform:scale(1.18); opacity:1; } }
html[data-motion="reduce"] .boot-star{ animation:none; }

/* ---------- base ---------- */
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family:var(--body);
  font-size:var(--base-font);
  color:var(--ink);
  background:var(--bg);
  -webkit-text-size-adjust:100%;
  line-height:1.5;
}
h1,h2,h3,h4{ font-family:var(--display); font-weight:600; line-height:1.2; margin:0 0 .4em; color:var(--ink); }
button{ font-family:var(--body); cursor:pointer; }
:focus-visible{ outline:3px solid var(--gold); outline-offset:2px; border-radius:8px; }

html[data-motion="reduce"] *{ animation:none !important; transition:none !important; }
@media (prefers-reduced-motion: reduce){ *{ animation:none !important; transition:none !important; } }

/* ---------- shell + nav ---------- */
.shell{ max-width:760px; margin:0 auto; min-height:100dvh; display:flex; flex-direction:column; }
.topbar{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 16px; background:var(--bg-soft); border-bottom:2px solid var(--line);
}
.brand{ display:flex; align-items:center; gap:8px; border:none; background:none; font-family:var(--display); font-size:1.15rem; font-weight:700; color:var(--primary); }
.brand-star{ color:var(--gold); font-size:1.3rem; }
.topbar-right{ display:flex; align-items:center; gap:8px; }
.xp-chip,.streak-chip{ background:var(--bg); border:2px solid var(--line); border-radius:999px; padding:3px 10px; font-size:.8rem; font-weight:800; color:var(--ink); white-space:nowrap; }
.avatar-chip{ font-size:1.4rem; }
.screen{ flex:1; padding:16px 16px 96px; }

.bottomnav{
  position:fixed; bottom:0; left:0; right:0; z-index:30;
  display:flex; justify-content:space-around; gap:2px;
  max-width:760px; margin:0 auto;
  background:var(--bg-soft); border-top:2px solid var(--line);
  padding:6px 4px env(safe-area-inset-bottom);
}
.tab{ flex:1; border:none; background:none; display:flex; flex-direction:column; align-items:center; gap:1px; padding:6px 2px; border-radius:12px; color:var(--ink-soft); min-height:52px; }
.tab-ic{ font-size:1.3rem; }
.tab-lab{ font-size:.62rem; font-weight:700; }
.tab.active{ color:var(--primary); background:var(--bg); }

/* ---------- buttons ---------- */
.btn{ border:none; border-radius:var(--radius-sm); padding:12px 18px; font-weight:800; font-size:1rem; background:var(--bg); color:var(--ink); border:2px solid var(--line); min-height:48px; transition:transform .08s ease; }
.btn:active{ transform:scale(.97); }
.btn.primary{ background:var(--primary); color:#fff; border-color:var(--primary-d); box-shadow:var(--shadow-sm); }
.btn.outline{ background:var(--bg-soft); color:var(--primary); border-color:var(--primary); }
.btn.big{ font-size:1.1rem; padding:15px 20px; }
.btn.full{ width:100%; margin-top:12px; }
.btn.danger-btn{ background:var(--bad-bg); color:var(--bad); border-color:var(--bad); }
.chip{ border:2px solid var(--line); background:var(--bg-soft); border-radius:999px; padding:9px 16px; font-weight:700; color:var(--ink); }
.chip.on{ background:var(--primary); color:#fff; border-color:var(--primary-d); }
.back-btn{ border:none; background:none; color:var(--primary); font-weight:800; font-size:1rem; padding:6px 2px; margin-bottom:6px; }
.screen-h1{ font-size:1.6rem; }
.screen-sub{ color:var(--ink-soft); margin-top:-6px; }
.muted{ color:var(--ink-soft); }
.section-title{ font-size:1.2rem; margin:18px 2px 10px; }

/* ---------- onboarding ---------- */
.onboard{ min-height:100dvh; display:flex; align-items:center; justify-content:center; padding:20px; background:linear-gradient(160deg,#1c7ed6,#1098ad 60%,#0c8599); }
.ob-card{ background:#fff; border-radius:28px; padding:30px 24px; width:100%; max-width:420px; box-shadow:0 18px 50px rgba(0,0,0,.25); text-align:center; }
.ob-hero{ font-size:3rem; }
.ob-star{ color:var(--gold); font-size:3.4rem; display:inline-block; }
.ob-title{ font-size:2rem; color:var(--primary); margin:.2em 0 0; }
.ob-sub{ color:var(--ink-soft); margin:.3em 0 1.2em; }
.ob-lang{ display:flex; gap:10px; justify-content:center; margin-bottom:20px; }
.ob-q{ font-size:1.4rem; margin-bottom:18px; }
.ob-q.small{ font-size:1.05rem; margin-top:18px; }
.ob-grades{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin-bottom:22px; }
.grade-pick{ width:98px; height:98px; border-radius:22px; border:3px solid var(--line); background:var(--bg-soft); font-family:var(--display); font-size:2.4rem; font-weight:700; color:var(--primary); display:flex; flex-direction:column; align-items:center; justify-content:center; }
.grade-pick small{ font-size:.8rem; color:var(--ink-soft); font-family:var(--body); }
.grade-pick.on{ border-color:var(--primary); background:#e7f5ff; }
.ob-avatars{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:22px; }
.avatar-pick{ aspect-ratio:1; border-radius:18px; border:3px solid var(--line); background:var(--bg-soft); font-size:2rem; }
.avatar-pick.on{ border-color:var(--primary); background:#e7f5ff; transform:scale(1.05); }
.ob-name{ width:100%; padding:14px; border-radius:14px; border:3px solid var(--line); font-size:1.1rem; font-family:var(--body); text-align:center; }
.ob-name:focus{ border-color:var(--primary); outline:none; }
.ob-goals{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin:12px 0 8px; }

/* ---------- home ---------- */
.hero-card{ background:linear-gradient(135deg,var(--primary),#1098ad); color:#fff; border-radius:var(--radius); padding:18px; display:flex; gap:14px; align-items:center; box-shadow:var(--shadow); }
.hero-mascot{ font-size:3rem; background:rgba(255,255,255,.2); border-radius:18px; width:68px; height:68px; display:flex; align-items:center; justify-content:center; flex:none; }
.hero-text h1{ color:#fff; font-size:1.5rem; margin:0; }
.hero-grade{ margin:.1em 0 .5em; opacity:.9; font-weight:700; }
.level-bar{ position:relative; background:rgba(255,255,255,.25); border-radius:999px; height:24px; overflow:hidden; }
.level-fill{ position:absolute; inset:0 auto 0 0; background:var(--gold); border-radius:999px; transition:width .5s ease; }
.level-text{ position:relative; font-size:.78rem; font-weight:800; line-height:24px; padding-left:10px; }
.goal-card{ margin-top:14px; background:var(--bg-soft); border-radius:var(--radius); padding:14px 18px; display:flex; align-items:center; gap:16px; box-shadow:var(--shadow-sm); border:2px solid var(--line); }
.goal-info{ display:flex; flex-direction:column; }
.goal-info strong{ font-family:var(--display); font-size:1.3rem; }
.goal-info span{ color:var(--ink-soft); font-size:.85rem; }
.goal-streak{ margin-left:auto; font-family:var(--display); font-weight:700; font-size:1.5rem; display:flex; flex-direction:column; align-items:center; color:var(--bad); }
.goal-streak small{ font-size:.62rem; color:var(--ink-soft); font-family:var(--body); }
.rec-card{ margin-top:14px; background:var(--bg-soft); border-left:8px solid var(--accent); border-radius:var(--radius); padding:16px 18px; box-shadow:var(--shadow-sm); }
.rec-label{ color:var(--ink-soft); font-weight:700; font-size:.8rem; text-transform:uppercase; letter-spacing:.03em; margin:0; }
.rec-title{ font-size:1.3rem; margin:.2em 0; }
.rec-sub{ color:var(--ink-soft); margin:0 0 .8em; font-weight:700; }
.subject-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.subject-tile{ background:var(--bg-soft); border:2px solid var(--line); border-top:6px solid var(--accent); border-radius:var(--radius); padding:16px 12px; display:flex; flex-direction:column; align-items:center; gap:6px; box-shadow:var(--shadow-sm); min-height:130px; justify-content:center; }
.st-emoji{ font-size:2.2rem; }
.st-name{ font-family:var(--display); font-weight:600; font-size:1rem; text-align:center; color:var(--ink); }
.st-ring{ margin-top:2px; }

/* ---------- subject screen ---------- */
.subject-head{ display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.sh-emoji{ font-size:2.6rem; background:var(--bg-soft); border:2px solid var(--line); border-bottom:5px solid var(--accent); border-radius:18px; width:64px; height:64px; display:flex; align-items:center; justify-content:center; }
.subject-head h1{ font-size:1.5rem; margin:0; }
.subject-head p{ margin:0; color:var(--ink-soft); }
.grade-tabs{ display:flex; gap:8px; margin-bottom:14px; }
.lesson-list{ display:flex; flex-direction:column; gap:10px; }
.lesson-row{ display:flex; align-items:center; gap:12px; background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:12px 14px; text-align:left; width:100%; box-shadow:var(--shadow-sm); }
.lesson-row.done{ border-color:var(--good); background:var(--good-bg); }
.ll-num{ flex:none; width:34px; height:34px; border-radius:50%; background:var(--accent); color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--display); font-weight:700; }
.lesson-row.done .ll-num{ background:var(--good); }
.ll-main{ display:flex; flex-direction:column; flex:1; }
.ll-title{ font-weight:800; }
.ll-strand{ font-size:.78rem; color:var(--ink-soft); }
.ll-score{ font-family:var(--display); font-weight:700; color:var(--good); }

/* ---------- lesson ---------- */
.lesson-top{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.phase-pills{ display:flex; gap:5px; }
.pill{ font-size:.7rem; font-weight:800; padding:4px 9px; border-radius:999px; background:var(--bg-soft); border:2px solid var(--line); color:var(--ink-soft); }
.pill.on{ background:var(--accent); color:#fff; border-color:var(--accent); }
.lesson-title{ font-size:1.6rem; margin:.3em 0 .1em; }
.lesson-strand{ color:var(--ink-soft); font-weight:700; margin-top:0; }
.teach{ display:flex; flex-direction:column; gap:14px; margin:14px 0; }
.tb-text{ background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:14px 16px; margin:0; position:relative; }
.tb-list{ background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:12px 18px; }
.tb-list h4{ margin:.2em 0 .4em; }
.tb-list ul{ margin:0; padding-left:20px; }
.tb-list li{ margin:4px 0; }
.tb-callout{ background:#fff9db; border:2px solid #ffe066; border-left:8px solid var(--gold); border-radius:16px; padding:14px 16px; position:relative; }
.tb-callout h4{ color:#b07d00; }
.tb-local{ background:#e6fcf5; border:2px solid #63e6be; border-radius:16px; padding:14px 16px; display:flex; gap:10px; align-items:flex-start; position:relative; }
.tb-local-pin{ font-size:1.3rem; }
.tb-local p{ margin:0; }
.tb-passage{ background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:14px 18px; position:relative; }
.tb-passage h4{ color:var(--primary); }
.speak-inline{ position:absolute; top:8px; right:8px; border:none; background:rgba(255,255,255,.7); border-radius:50%; width:34px; height:34px; font-size:.95rem; }

/* ---------- questions ---------- */
.q-progress,.test-bar{ display:flex; flex-direction:column; gap:6px; margin-bottom:12px; font-weight:800; color:var(--ink-soft); font-size:.85rem; }
.q-bar{ background:var(--line); border-radius:999px; height:10px; overflow:hidden; }
.q-bar>div{ background:var(--accent,var(--primary)); height:100%; border-radius:999px; transition:width .3s ease; }
.question{ background:var(--bg-soft); border:2px solid var(--line); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow-sm); }
.q-prompt{ display:flex; gap:8px; align-items:flex-start; font-family:var(--display); font-weight:600; font-size:1.2rem; margin-bottom:14px; }
.q-speak{ flex:none; border:none; background:var(--bg); border-radius:50%; width:36px; height:36px; font-size:1rem; }
.q-mc,.q-tf{ display:flex; flex-direction:column; gap:10px; }
.q-tf{ flex-direction:row; }
.q-tf .choice{ flex:1; }
.choice{ text-align:left; background:var(--bg); border:2px solid var(--line); border-radius:14px; padding:14px 16px; font-weight:700; font-size:1rem; color:var(--ink); min-height:50px; }
.choice.right{ background:var(--good-bg); border-color:var(--good); color:#1b6b2d; }
.choice.wrong{ background:var(--bad-bg); border-color:var(--bad); color:#9c3a00; }
.fill-input{ width:100%; padding:14px; border-radius:14px; border:2px solid var(--line); font-size:1.05rem; font-family:var(--body); }
.fill-input.right{ border-color:var(--good); background:var(--good-bg); }
.fill-input.wrong{ border-color:var(--bad); background:var(--bad-bg); }
.fill-answer{ font-weight:700; color:var(--bad); margin:8px 0 0; }
.check-btn{ margin-top:12px; }
.q-hint{ color:var(--ink-soft); font-weight:700; margin:0 0 10px; }
.match-grid{ display:flex; gap:14px; }
.match-col{ flex:1; display:flex; flex-direction:column; gap:8px; }
.match-item{ display:flex; align-items:center; gap:8px; text-align:left; background:var(--bg); border:2px solid var(--line); border-radius:12px; padding:11px 12px; font-weight:700; font-size:.92rem; color:var(--ink); min-height:46px; }
.match-item.sel{ border-color:var(--primary); box-shadow:0 0 0 3px rgba(28,126,214,.2); }
.match-item.right{ background:var(--good-bg); border-color:var(--good); }
.match-item.wrong{ background:var(--bad-bg); border-color:var(--bad); }
.match-tag{ font-size:1rem; min-width:12px; }
.match-answer,.order-answer{ margin-top:12px; background:var(--bad-bg); border:2px solid var(--bad); border-radius:12px; padding:10px 12px; font-size:.9rem; }
.order-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.order-item{ display:flex; align-items:center; gap:10px; background:var(--bg); border:2px solid var(--line); border-radius:12px; padding:10px 12px; }
.order-item.dragging{ opacity:.5; }
.order-item.right{ background:var(--good-bg); border-color:var(--good); }
.order-item.wrong{ background:var(--bad-bg); border-color:var(--bad); }
.order-num{ flex:none; width:28px; height:28px; border-radius:50%; background:var(--accent,var(--primary)); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-family:var(--display); }
.order-label{ flex:1; font-weight:700; }
.order-moves{ display:flex; flex-direction:column; gap:2px; }
.order-moves button{ border:none; background:var(--line); border-radius:6px; width:30px; height:22px; font-size:.7rem; color:var(--ink); }
.order-moves button:disabled{ opacity:.35; }
.q-feedback{ margin-top:0; }
.q-feedback.good,.q-feedback.bad{ margin-top:14px; border-radius:14px; padding:12px 14px; }
.q-feedback.good{ background:var(--good-bg); border:2px solid var(--good); }
.q-feedback.bad{ background:var(--bad-bg); border:2px solid var(--bad); }
.fb-head{ font-family:var(--display); font-weight:700; margin:0 0 .2em; }
.q-feedback.good .fb-head{ color:#1b6b2d; }
.q-feedback.bad .fb-head{ color:#9c3a00; }
.fb-explain{ margin:0; }
.next-q{ display:none; }
.next-q.show{ display:block; animation:pop .25s ease; }
@keyframes pop{ from{ transform:scale(.9); opacity:0; } to{ transform:scale(1); opacity:1; } }

/* ---------- maps ---------- */
.map-wrap{ background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:12px; }
.usa-map,.va-map{ width:100%; height:auto; display:block; }
.usa-cell,.va-region,.va-region-extra,.planet,.wc-step,.fw-node{ cursor:pointer; }
.usa-cell rect{ transition:filter .12s ease; }
.usa-cell:hover rect,.usa-cell:focus rect{ filter:brightness(1.08); }
.usa-cell rect.sel{ stroke:var(--ink); stroke-width:3; }
.va-region:hover polygon,.va-region:focus polygon{ filter:brightness(1.08); }
polygon.sel{ stroke:var(--ink); stroke-width:4; }
.answer-right{ stroke:var(--good) !important; stroke-width:4 !important; filter:brightness(1.05); }
.answer-wrong{ stroke:var(--bad) !important; stroke-width:4 !important; }
.map-info{ margin-top:12px; background:var(--bg); border-radius:12px; padding:12px 14px; }
.map-info-hint{ color:var(--ink-soft); margin:0; font-weight:700; }
.map-info-name{ margin:0 0 .3em; }
.map-info-line{ margin:.2em 0; font-size:.92rem; }
.map-info-fact{ margin:.3em 0; }
.map-info-local{ margin:.4em 0 0; background:#e6fcf5; border-radius:10px; padding:8px 10px; font-size:.9rem; }
.map-quiz-note{ margin-top:10px; font-weight:700; color:var(--bad); }

/* ---------- science interactives ---------- */
.interactive{ background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:12px; }
.interactive svg{ width:100%; height:auto; display:block; border-radius:12px; }
.interactive-info{ margin-top:10px; background:var(--bg); border-radius:12px; padding:10px 12px; font-weight:600; }
.planet:focus circle,.fw-node:focus circle,.wc-step:focus *{ filter:brightness(1.2); }
.planet.sel circle,.fw-node.sel circle{ stroke:var(--gold); stroke-width:3; }
.sci-moon{ text-align:center; }
.moon-stage{ display:flex; flex-direction:column; align-items:center; }
.moon-svg{ width:200px !important; }
.moon-name{ font-size:1.3rem; margin:.4em 0; }
.moon-slider{ width:100%; max-width:320px; height:36px; }
.interactive-missing{ padding:20px; text-align:center; color:var(--ink-soft); }

/* ---------- lesson done / review ---------- */
.lesson-done,.flash-done,.test-report,.test-intro{ text-align:center; background:var(--bg-soft); border:2px solid var(--line); border-radius:var(--radius); padding:24px 18px; box-shadow:var(--shadow-sm); }
.done-mascot,.ti-emoji{ font-size:3.4rem; }
.done-score{ font-size:1.1rem; margin:.4em 0; }
.done-xp{ display:inline-block; background:var(--gold); color:#fff; font-family:var(--display); font-weight:700; padding:6px 16px; border-radius:999px; margin-top:6px; }
.badge-pop{ margin-top:12px; background:#fff9db; border:2px solid var(--gold); border-radius:14px; padding:12px; text-align:center; font-weight:700; animation:pop .3s ease; }
.review{ margin-top:16px; }
.review-item{ background:var(--bg-soft); border:2px solid var(--line); border-left:6px solid var(--bad); border-radius:14px; padding:12px 14px; margin-bottom:10px; }
.rev-q{ font-weight:800; margin:0 0 .3em; }
.rev-a{ margin:0; color:var(--ink-soft); }

/* ---------- flashcards ---------- */
.deck-grid,.test-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:14px; }
.deck-tile,.test-tile{ background:var(--bg-soft); border:2px solid var(--line); border-bottom:6px solid var(--accent); border-radius:var(--radius); padding:18px 12px; display:flex; flex-direction:column; align-items:center; gap:6px; min-height:120px; justify-content:center; box-shadow:var(--shadow-sm); }
.deck-emoji,.tt-emoji{ font-size:2.2rem; }
.deck-name,.tt-name{ font-family:var(--display); font-weight:600; text-align:center; color:var(--ink); }
.deck-count{ font-size:.78rem; color:var(--ink-soft); font-weight:700; }
.flash-progress{ text-align:center; font-weight:800; color:var(--ink-soft); margin-bottom:12px; }
.flashcard{ perspective:1200px; height:240px; position:relative; }
.flashcard .fc-face{ position:absolute; inset:0; backface-visibility:hidden; border-radius:var(--radius); display:flex; flex-direction:column; align-items:center; justify-content:center; padding:24px; text-align:center; box-shadow:var(--shadow); transition:transform .5s ease; }
.fc-front{ background:var(--bg-soft); border:3px solid var(--accent); transform:rotateY(0deg); }
.fc-back{ background:var(--accent); color:#fff; transform:rotateY(180deg); }
.flashcard.flipped .fc-front{ transform:rotateY(-180deg); }
.flashcard.flipped .fc-back{ transform:rotateY(0deg); }
.fc-face p{ font-size:1.25rem; font-weight:700; margin:0; }
.fc-hint{ position:absolute; bottom:14px; font-size:.78rem; color:var(--ink-soft); font-weight:700; }
.flash-grades{ display:none; gap:10px; margin-top:12px; }
.flash-grades.show{ display:flex; }
.flash-grades .btn{ flex:1; }
.good-btn{ background:var(--good-bg); color:#1b6b2d; border-color:var(--good); }
.bad-btn{ background:var(--bad-bg); color:#9c3a00; border-color:var(--bad); }

/* ---------- test prep ---------- */
.report-score{ font-family:var(--display); font-size:2rem; font-weight:700; color:var(--primary); }
.report-time{ color:var(--ink-soft); }
.report-strands,.report-review{ margin-top:16px; background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:14px 16px; }
.strand-row{ display:flex; justify-content:space-between; gap:10px; padding:8px 0; border-bottom:1px solid var(--line); font-weight:700; }
.strand-row:last-child{ border-bottom:none; }
.strand-row.good span:last-child{ color:var(--good); }
.strand-row.low span:last-child{ color:var(--bad); }
.report-review ul{ margin:.4em 0 0; padding-left:20px; }
.report-review li{ margin:4px 0; }

/* ---------- badges ---------- */
.badge-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:14px; }
.badge-card{ background:var(--bg-soft); border:2px solid var(--line); border-radius:18px; padding:16px 8px; text-align:center; display:flex; flex-direction:column; gap:4px; align-items:center; }
.badge-card.earned{ border-color:var(--gold); background:#fff9db; }
.badge-card.locked{ opacity:.6; }
.badge-emoji{ font-size:2.2rem; }
.badge-name{ font-family:var(--display); font-weight:600; font-size:.85rem; }
.badge-desc{ font-size:.7rem; color:var(--ink-soft); }

/* ---------- parent ---------- */
.pin-gate,.pin-setup{ text-align:center; }
.pin-input,.pin-set{ font-size:1.8rem; letter-spacing:.5em; text-align:center; padding:12px; border-radius:14px; border:3px solid var(--line); width:200px; font-family:var(--display); }
.pin-err{ color:var(--bad); font-weight:800; min-height:1.2em; }
.pin-setup{ background:var(--bg-soft); border:2px dashed var(--line); border-radius:16px; padding:16px; margin-bottom:16px; }
.pin-setup-btns{ display:flex; gap:10px; justify-content:center; margin-top:10px; }
.parent-stats{ display:flex; gap:10px; margin-bottom:18px; }
.pstat{ flex:1; background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:14px 8px; text-align:center; }
.pstat strong{ display:block; font-family:var(--display); font-size:1.6rem; color:var(--primary); }
.pstat span{ font-size:.72rem; color:var(--ink-soft); font-weight:700; }
.parent-block{ margin-bottom:20px; }
.parent-block h2{ font-size:1.2rem; border-bottom:3px solid var(--line); padding-bottom:6px; }
.mastery-subject{ margin-bottom:14px; border-left:6px solid var(--accent); padding-left:12px; }
.mastery-subject h3{ font-size:1rem; margin:.3em 0; }
.mastery-row{ display:flex; align-items:center; gap:8px; padding:6px 0; font-size:.88rem; border-bottom:1px solid var(--line); }
.ms-strand{ flex:1; }
.ms-status{ font-weight:800; font-size:.78rem; padding:2px 8px; border-radius:999px; background:var(--bg); }
.mastery-row.good .ms-status{ background:var(--good-bg); color:#1b6b2d; }
.mastery-row.ok .ms-status{ background:#fff3bf; color:#b07d00; }
.mastery-row.none .ms-status{ color:var(--ink-soft); }
.ms-pct{ font-weight:800; color:var(--ink-soft); font-size:.8rem; }
.act-row{ display:flex; justify-content:space-between; gap:10px; padding:9px 0; border-bottom:1px solid var(--line); font-size:.9rem; }
.act-when{ color:var(--ink-soft); font-weight:700; white-space:nowrap; }

/* ---------- settings ---------- */
.set-block{ background:var(--bg-soft); border:2px solid var(--line); border-radius:16px; padding:14px 16px; margin-bottom:12px; }
.set-block h3{ margin:0 0 10px; font-size:1.05rem; }
.set-row{ display:flex; gap:8px; flex-wrap:wrap; }
.toggle{ border:2px solid var(--line); background:var(--bg); border-radius:999px; padding:8px 22px; font-weight:800; color:var(--ink-soft); min-width:90px; }
.toggle.on{ background:var(--good); color:#fff; border-color:var(--good); }
.set-block.danger{ border-color:var(--bad); }

/* ---------- responsive ---------- */
@media (min-width:560px){
  .subject-grid{ grid-template-columns:repeat(3,1fr); }
  .badge-grid{ grid-template-columns:repeat(3,1fr); }
}
@media (min-width:720px){
  .tab-lab{ font-size:.7rem; }
}