/*
 * theme.css — QuizChamp. A game-show night: deep royal purple with metallic
 * gold actions, like the QuizChamp mockups. Opens dark; light mode is a pale
 * lavender set of its own. The --x-cert-* tokens are the official certificate
 * palette — identical in both modes, because a certificate never changes
 * colour with the viewer's theme.
 */

:root {
  color-scheme: dark;
  --canvas: #1a0838;
  --surface: #2a0f57;
  --surface-2: #3a1872;
  --border: #4d2a8a;
  --border-strong: #8a66cc;
  --ink: #fbf7ff;
  --muted: #cdbdec;
  --accent: #f6c344;
  --accent-hover: #ffd566;
  --accent-ink: #2a1250;
  --accent-text: #f8d06a;
  --accent-strong: #ffdf85;
  --accent-soft: #3e2a1c;
  --accent-border: #a8822a;
  --success: #22c55e;
  --success-ink: #062b14;
  --success-soft: #0f3a22;
  --success-strong: #74e8a6;
  --warning: #f59e0b;
  --warning-ink: #2b1a00;
  --warning-soft: #3d2a0c;
  --warning-strong: #fcd34d;
  --danger: #ef4444;
  --danger-ink: #2b0505;
  --danger-soft: #45142a;
  --danger-strong: #fca5a5;
  --chart-1: #f6c344;
  --chart-2: #a78bfa;
  --chart-3: #22c55e;
  --chart-4: #f472b6;
  --chart-5: #60a5fa;
  --chart-6: #fb923c;

  --font-display: "Fredoka", ui-rounded, ui-sans-serif, system-ui, sans-serif;
  --font-body: "Nunito", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Nunito", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono Variable", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-weight: 700;
  --display-tracking: -0.01em;
  --eyebrow-tracking: 0.08em;

  --radius-btn: 999px;
  --radius-card: 1.75rem;
  --radius-input: 0.9rem;
  --btn-weight: 800;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 18px 40px -22px rgba(0, 0, 0, 0.7);

  --x-gold: #f6c344;
  --x-gold-light: #fde58a;
  --x-gold-deep: #c88a12;
  --x-gold-ink: #2a1250;
  --x-purple: #6b2bd1;
  --x-purple-deep: #2b0b5e;
  --x-glow: #9d5cff;
  --x-card: #f3edff;
  --x-card-ink: #24104a;
  --x-option: #ffffff;
  --x-option-ink: #24104a;
  --x-letter: #4b1590;
  --x-letter-ink: #ffffff;

  --x-cert-paper: #fffdf8;
  --x-cert-paper-2: #f3ebff;
  --x-cert-purple: #4b1590;
  --x-cert-purple-deep: #2a0a5c;
  --x-cert-violet: #7a3fd1;
  --x-cert-gold: #e2a529;
  --x-cert-gold-light: #fde58a;
  --x-cert-gold-deep: #a8700f;
  --x-cert-ink: #3a0f73;
  --x-cert-muted: #5d4a7e;
  --x-cert-white: #ffffff;
  --x-cert-red: #c81e1e;
}

html[data-theme="light"] {
  color-scheme: light;
  --canvas: #f6f1fe;
  --surface: #ffffff;
  --surface-2: #ece3fb;
  --border: #ddd0f3;
  --border-strong: #a993d4;
  --ink: #22103f;
  --muted: #5c4b7a;
  --accent: #5b1fb3;
  --accent-hover: #4a1792;
  --accent-ink: #ffffff;
  --accent-text: #5a1db0;
  --accent-strong: #44128c;
  --accent-soft: #efe4fd;
  --accent-border: #c8a9f2;
  --success: #15803d;
  --success-ink: #ffffff;
  --success-soft: #dcf2e3;
  --success-strong: #116b33;
  --warning: #b45309;
  --warning-ink: #ffffff;
  --warning-soft: #fbecd6;
  --warning-strong: #8f4207;
  --danger: #b91c1c;
  --danger-ink: #ffffff;
  --danger-soft: #f9e1e1;
  --danger-strong: #9b1818;
  --chart-1: #5b1fb3;
  --chart-2: #d9940b;
  --chart-3: #15803d;
  --chart-4: #be185d;
  --chart-5: #2563a8;
  --chart-6: #c2410c;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.05), 0 14px 32px -20px rgba(0, 0, 0, 0.25);

  --x-gold: #f2b52c;
  --x-gold-light: #fde58a;
  --x-gold-deep: #b97b0c;
  --x-gold-ink: #2a1250;
  --x-purple: #5b1fb3;
  --x-purple-deep: #2b0b5e;
  --x-glow: #b48cff;
  --x-card: #ffffff;
  --x-card-ink: #24104a;
  --x-option: #f6f1fe;
  --x-option-ink: #24104a;
  --x-letter: #4b1590;
  --x-letter-ink: #ffffff;

  --x-cert-paper: #fffdf8;
  --x-cert-paper-2: #f3ebff;
  --x-cert-purple: #4b1590;
  --x-cert-purple-deep: #2a0a5c;
  --x-cert-violet: #7a3fd1;
  --x-cert-gold: #e2a529;
  --x-cert-gold-light: #fde58a;
  --x-cert-gold-deep: #a8700f;
  --x-cert-ink: #3a0f73;
  --x-cert-muted: #5d4a7e;
  --x-cert-white: #ffffff;
  --x-cert-red: #c81e1e;
}

/*
 * app.css — QuizChamp's own pieces: the night-sky ground, the wordmark, the
 * game HUD and question card, and the official A4 certificate. Tokens only.
 */

/* ---------- ground & chrome ---------- */
body.qc-body { font-family: var(--font-body); }
.font-display { font-family: var(--font-display); font-weight: var(--display-weight); }
.sky {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(50rem 26rem at 50% -8%, color-mix(in srgb, var(--x-glow) 38%, transparent), transparent 70%),
    radial-gradient(30rem 20rem at 0% 30%, color-mix(in srgb, var(--x-purple) 30%, transparent), transparent 70%),
    radial-gradient(30rem 20rem at 100% 70%, color-mix(in srgb, var(--x-purple) 26%, transparent), transparent 70%),
    var(--canvas);
}
.topbar { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--canvas) 82%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--x-gold) 30%, transparent); backdrop-filter: blur(10px); }
.nav-link { display: flex; align-items: center; gap: .5rem; padding: .45rem .8rem; border-radius: 999px; font-weight: 700; font-size: .9rem; color: var(--muted); }
.nav-link:hover { color: var(--ink); background: var(--surface-2); }
.mobile-menu { min-width: 14rem; }
.mobile-menu .nav-link { border-radius: .6rem; }
.site-foot { border-top: 1px solid color-mix(in srgb, var(--x-gold) 30%, transparent); }
.powered { display: flex; align-items: center; justify-content: center; gap: .6rem; font-family: var(--font-display); font-size: 1.05rem; color: var(--ink); }
.powered .icon { color: var(--x-gold); width: 1.4rem; height: 1.4rem; }

.wordmark { display: inline-flex; align-items: center; gap: .45rem; font-family: var(--font-display); font-weight: 700; line-height: 1; }
.wordmark-cap { display: inline-grid; place-items: center; color: var(--x-gold); }
.wordmark-text {
  background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold) 55%, var(--x-gold-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0, 0, 0, .25));
}
.wordmark-text sup { font-size: .45em; vertical-align: super; }
.wordmark-sm .wordmark-text { font-size: 1.6rem; }
.wordmark-sm .wordmark-cap .icon { width: 1.6rem; height: 1.6rem; }
.wordmark-lg .wordmark-text { font-size: clamp(3rem, 9vw, 5.5rem); }
.wordmark-lg .wordmark-cap .icon { width: clamp(2.6rem, 6vw, 4rem); height: clamp(2.6rem, 6vw, 4rem); }

.ribbon {
  display: inline-block; padding: .35rem 1.6rem; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  color: var(--x-cert-white); background: linear-gradient(180deg, var(--x-purple), var(--x-purple-deep));
  border: 2px solid var(--x-gold); border-radius: .5rem;
  clip-path: polygon(0 0, 100% 0, 96% 50%, 100% 100%, 0 100%, 4% 50%);
}
.laurel { display: block; width: 100%; height: 100%; fill: currentColor; color: var(--x-gold); }
.cat-pill {
  display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .9rem; border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: .9rem;
  background: linear-gradient(180deg, var(--x-purple), var(--x-purple-deep)); color: var(--x-cert-white);
  border: 1.5px solid var(--x-gold);
}

/* ---------- lobby ---------- */
.hero { display: grid; grid-template-columns: 1fr; align-items: center; gap: 1rem; padding: 3rem 0 2.5rem; }
.hero-laurel { display: none; width: 6rem; height: 12rem; }
@media (min-width: 768px) { .hero { grid-template-columns: 7rem 1fr 7rem; } .hero-laurel { display: block; } }
.quiz-tile {
  display: flex; flex-direction: column; min-height: 17rem; padding: 1.5rem; border-radius: var(--radius-card);
  background: linear-gradient(180deg, var(--surface), var(--canvas));
  border: 2px solid color-mix(in srgb, var(--x-gold) 55%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--x-glow) 20%, transparent), var(--shadow-card);
  transition: transform .18s ease, box-shadow .18s ease;
}
.quiz-tile:hover { transform: translateY(-4px); box-shadow: 0 0 28px -6px color-mix(in srgb, var(--x-gold) 60%, transparent), var(--shadow-card); }
.quiz-tile-ico { display: grid; place-items: center; width: 3.25rem; height: 3.25rem; border-radius: 1rem; background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold)); color: var(--x-gold-ink); }
.feature { background: linear-gradient(160deg, var(--x-purple), var(--x-purple-deep)); color: var(--x-cert-white); border-color: var(--x-gold); }
.feature .text-muted { color: color-mix(in srgb, var(--x-cert-white) 78%, transparent); }
.feature-pt { display: flex; align-items: center; gap: .5rem; font-weight: 800; }
.feature-pt .icon { color: var(--x-gold); }
.board { display: flex; flex-direction: column; }
.board-row { display: flex; align-items: center; gap: .75rem; padding: .7rem 0; border-bottom: 1px solid var(--border); }
.board-row:last-child { border-bottom: 0; }
.board-rank { display: grid; place-items: center; width: 2rem; height: 2rem; flex-shrink: 0; border-radius: 999px; font-weight: 800; background: var(--surface-2); }
.rank-1 { background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold)); color: var(--x-gold-ink); }
.board-pts { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--accent-text); min-width: 3.5rem; text-align: right; }

/* ---------- intro & auth ---------- */
.intro { border: 2px solid var(--x-gold); }
.intro-head { display: grid; grid-template-columns: 1fr; gap: 1rem; align-items: center; }
.intro-laurel { display: none; width: 4rem; height: 8rem; }
@media (min-width: 640px) { .intro-head { grid-template-columns: 4.5rem 1fr 4.5rem; } .intro-laurel { display: block; } }
.rules { display: grid; grid-template-columns: 1fr; gap: .6rem; }
@media (min-width: 640px) { .rules { grid-template-columns: 1fr 1fr; } }
.rules li { display: flex; align-items: flex-start; gap: .65rem; padding: .75rem .9rem; border-radius: 1rem; background: var(--surface-2); }
.rules .icon { color: var(--x-gold); flex-shrink: 0; margin-top: .15rem; }
.auth-card { border: 2px solid color-mix(in srgb, var(--x-gold) 60%, transparent); }

/* ---------- game ---------- */
.game-wrap { max-width: 64rem; margin: 0 auto; padding: 1.25rem 0 1rem; }
.game-title { display: grid; grid-template-columns: 3rem 1fr 3rem; align-items: center; gap: .5rem; }
.game-title-laurel { width: 3rem; height: 5rem; }
.sound-toggle { display: inline-flex; align-items: center; gap: .4rem; margin-top: .35rem; padding: .2rem .8rem; border-radius: 999px; font-size: .85rem; font-weight: 700; color: var(--muted); border: 1px solid var(--border); }
.sound-toggle .off { display: none; }
.sound-toggle[aria-pressed="false"] .on { display: none; }
.sound-toggle[aria-pressed="false"] .off { display: inline; }

.game { margin-top: 1rem; }
.hud { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .6rem; }
.hud-pill {
  display: flex; align-items: center; justify-content: center; gap: .6rem; min-width: 0; padding: .55rem .9rem; border-radius: 999px;
  background: linear-gradient(180deg, var(--x-purple), var(--x-purple-deep)); color: var(--x-cert-white);
  border: 2px solid var(--x-gold); box-shadow: 0 0 18px -6px color-mix(in srgb, var(--x-gold) 70%, transparent);
}
.hud-ico .icon { width: 1.9rem; height: 1.9rem; color: var(--x-gold); }
.hud-stat { display: flex; flex-direction: column; align-items: center; line-height: 1.05; }
.hud-stat small { font-size: .75rem; font-weight: 700; opacity: .85; }
.hud-stat strong { font-family: var(--font-display); font-size: 1.5rem; color: var(--x-gold-light); display: inline-flex; align-items: center; gap: .2rem; }
.hud-sep { width: 1px; align-self: stretch; background: color-mix(in srgb, var(--x-gold) 50%, transparent); }
.flame { width: 1.1rem; height: 1.1rem; color: var(--warning); }
@media (max-width: 640px) {
  .hud-pill { padding: .4rem .55rem; gap: .35rem; }
  .hud-ico { display: none; }
  .hud-stat strong { font-size: 1.1rem; }
  .hud-stat small { font-size: .65rem; }
}

.timer { position: relative; width: 6.5rem; height: 6.5rem; display: grid; place-items: center; border-radius: 999px;
  background: radial-gradient(circle, var(--x-purple-deep) 58%, var(--x-purple) 100%);
  box-shadow: 0 0 0 4px var(--x-gold), 0 0 26px -2px color-mix(in srgb, var(--x-gold) 70%, transparent); }
.timer .timer-ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: color-mix(in srgb, var(--x-cert-white) 12%, transparent); stroke-width: 8; }
.ring-fg { fill: none; stroke: var(--x-gold); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: 0; transition: stroke-dashoffset .25s linear; }
.timer.is-low .ring-fg { stroke: var(--danger); }
.timer.is-stopped .ring-fg { stroke: color-mix(in srgb, var(--x-cert-white) 30%, transparent); }
.timer-ico { position: absolute; top: .7rem; color: var(--x-gold); }
.timer-ico .icon { width: 1.1rem; height: 1.1rem; }
.timer-text { margin-top: .55rem; font-family: var(--font-display); font-weight: 700; font-size: 1.55rem; color: var(--x-cert-white); font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .timer { width: 5.25rem; height: 5.25rem; } .timer-text { font-size: 1.2rem; } .timer-ico { top: .45rem; } }

.prog-row { display: flex; align-items: center; gap: .75rem; margin-top: 1rem; font-weight: 800; }
.game-progress { flex: 1; height: .9rem; border-radius: 999px; overflow: hidden; background: color-mix(in srgb, var(--x-glow) 30%, var(--surface)); border: 1px solid color-mix(in srgb, var(--x-cert-white) 25%, transparent); }
.game-progress-bar { height: 100%; border-radius: 999px; background: linear-gradient(180deg, var(--success-strong), var(--success)); transition: width .4s ease; }

.qcard {
  position: relative; margin-top: 2rem; padding: 2.25rem 1.25rem 1.5rem; border-radius: 1.75rem;
  background: linear-gradient(180deg, var(--x-card), color-mix(in srgb, var(--x-card) 88%, var(--x-glow)));
  color: var(--x-card-ink); border: 3px solid var(--x-gold);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--x-gold) 25%, transparent), 0 20px 50px -20px rgba(0, 0, 0, .6);
}
@media (min-width: 768px) { .qcard { padding: 2.5rem 2rem 1.75rem; } }
.qcard.is-review { border-style: dashed; }
.qcard-cat {
  position: absolute; top: 0; left: 50%; transform: translate(-50%, -55%); white-space: nowrap;
  display: inline-flex; align-items: center; gap: .4rem; padding: .35rem 1.2rem; border-radius: .9rem;
  font-family: var(--font-display); font-weight: 600; background: linear-gradient(180deg, var(--x-purple), var(--x-purple-deep)); color: var(--x-cert-white);
  border: 2px solid var(--x-gold);
}
.qcard-cat .icon { color: var(--x-gold); width: 1rem; height: 1rem; }
.qcard-top { display: flex; align-items: flex-start; gap: 1.25rem; }
.qbadge {
  display: none; flex-shrink: 0; width: 5.5rem; height: 5.5rem; border-radius: 999px; flex-direction: column; align-items: center; justify-content: center;
  background: radial-gradient(circle, var(--x-purple) 0 60%, var(--x-purple-deep) 61%); color: var(--x-cert-white);
  box-shadow: 0 0 0 4px var(--x-gold), 0 0 0 7px var(--x-gold-deep); font-family: var(--font-display);
}
.qbadge span { font-size: 1.9rem; font-weight: 700; line-height: 1; }
.qbadge small { font-size: .8rem; font-weight: 600; }
@media (min-width: 768px) { .qbadge { display: flex; } }
.qcard-prompt { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 3.4vw, 2.3rem); line-height: 1.15; text-align: center; text-wrap: balance; }
@media (min-width: 768px) { .qcard-prompt { text-align: left; } }
.read-btn { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem 1.1rem; border-radius: 999px; font-weight: 800; background: linear-gradient(180deg, var(--x-purple), var(--x-purple-deep)); color: var(--x-cert-white); }
.read-btn:hover { filter: brightness(1.1); }
.read-btn.is-speaking { box-shadow: 0 0 0 3px var(--x-gold); }
.wave { color: var(--x-purple); }
.wave .icon { width: 2rem; height: 2rem; }
.read-btn.is-speaking + .wave .icon { animation: pulse 0.8s ease-in-out infinite alternate; }
@keyframes pulse { from { transform: scaleY(.6); } to { transform: scaleY(1.15); } }

.options { display: grid; grid-template-columns: 1fr; gap: .75rem; margin-top: 1.5rem; }
@media (min-width: 768px) { .options { grid-template-columns: 1fr 1fr; gap: .9rem 1.25rem; } }
.opt {
  display: flex; align-items: center; gap: 1rem; width: 100%; min-height: 3.5rem; padding: .45rem 1rem .45rem .5rem; border-radius: 999px; text-align: left;
  font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; background: var(--x-option); color: var(--x-option-ink);
  border: 2px solid color-mix(in srgb, var(--x-glow) 45%, transparent); box-shadow: 0 3px 0 color-mix(in srgb, var(--x-glow) 35%, transparent);
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
button.opt:hover { transform: translateY(-2px); border-color: var(--x-gold); }
button.opt:active { transform: translateY(1px); }
.opt-letter { display: grid; place-items: center; flex-shrink: 0; min-width: 3.25rem; height: 2.5rem; padding: 0 .6rem; border-radius: 999px; font-weight: 700; background: linear-gradient(180deg, var(--x-purple), var(--x-letter)); color: var(--x-letter-ink); }
.opt-text { min-width: 0; flex: 1; }
.opt-mark { margin-left: auto; flex-shrink: 0; width: 1.5rem; height: 1.5rem; }
.opt.is-correct { background: linear-gradient(180deg, var(--success-strong), var(--success)); color: var(--success-ink); border-color: var(--x-gold); }
.opt.is-correct .opt-letter { background: var(--success-ink); color: var(--success-strong); }
.opt.is-wrong { background: var(--danger-soft); color: var(--danger-strong); border-color: var(--danger); }
.opt.is-wrong .opt-letter { background: var(--danger); color: var(--danger-ink); }
.opt.is-dim { opacity: .55; }
.opt.is-removed { opacity: .35; border-style: dashed; font-size: .95rem; }
.htmx-request .opt, .htmx-request.opt { pointer-events: none; }

.fb { margin-top: 1.25rem; padding: 1rem 1.25rem; border-radius: 1.25rem; background: color-mix(in srgb, var(--x-glow) 14%, var(--x-cert-white)); border: 1px solid color-mix(in srgb, var(--x-glow) 40%, transparent); }
.fb-head { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }
.fb-correct .fb-head { color: var(--x-cert-ink); }
.fb-correct .fb-head .icon { color: var(--success); }
.fb-wrong .fb-head .icon, .fb-timeout .fb-head .icon { color: var(--x-cert-red); }
.fb-pts { margin-left: auto; padding: .1rem .7rem; border-radius: 999px; background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold)); color: var(--x-gold-ink); }
.fb-explain { margin-top: .35rem; color: var(--x-cert-muted); }
.fb-chips { display: flex; gap: .5rem; margin-top: .6rem; overflow-x: auto; }
.chip-s { display: inline-flex; align-items: center; gap: .3rem; white-space: nowrap; padding: .2rem .7rem; border-radius: 999px; font-weight: 800; font-size: .85rem; background: var(--x-cert-white); color: var(--x-cert-ink); border: 1px solid color-mix(in srgb, var(--x-glow) 40%, transparent); }
.chip-s .icon { width: .95rem; height: .95rem; color: var(--x-gold-deep); }

.controls { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: 1.5rem; }
.lifelines { grid-column: 1 / -1; grid-row: 1; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: .4rem; padding: .4rem; border-radius: 999px; background: linear-gradient(180deg, var(--x-purple), var(--x-purple-deep)); border: 2px solid var(--x-gold); }
@media (min-width: 768px) { .controls { grid-template-columns: auto 1fr auto; align-items: center; } .lifelines { grid-column: 2; grid-row: 1; } }
.life { display: flex; align-items: center; justify-content: center; gap: .45rem; min-width: 0; height: 3.25rem; padding: 0 .6rem; border-radius: 999px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--x-cert-white); background: color-mix(in srgb, var(--x-glow) 25%, transparent); border: 2px solid color-mix(in srgb, var(--x-gold) 70%, transparent); }
.life:hover:not(:disabled) { background: color-mix(in srgb, var(--x-glow) 45%, transparent); }
.life:disabled { opacity: .4; cursor: not-allowed; }
.life .icon { color: var(--x-gold); flex-shrink: 0; }
.life-stack { display: flex; flex-direction: column; line-height: 1; font-size: 1rem; color: var(--x-gold-light); }
.life-stack small { font-size: .7rem; color: var(--x-cert-white); }
.life-sep { width: 1px; height: 2rem; background: color-mix(in srgb, var(--x-gold) 50%, transparent); }
@media (max-width: 480px) { .life { font-size: .95rem; padding: 0 .3rem; } .life .icon { display: none; } }
.ctl { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; height: 3.5rem; padding: 0 1.75rem; border-radius: 999px; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.ctl:disabled { opacity: .45; cursor: not-allowed; }
.ctl-light { background: var(--x-card); color: var(--x-card-ink); border: 2px solid var(--x-gold); }
.ctl-gold { background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold) 60%, var(--x-gold-deep)); color: var(--x-gold-ink); border: 2px solid var(--x-gold-deep); box-shadow: 0 4px 0 var(--x-gold-deep); }
.ctl-gold:hover:not(:disabled) { filter: brightness(1.06); }
.ctl.htmx-request { opacity: .7; }

/* ---------- results ---------- */
.result-hero { display: grid; grid-template-columns: 1fr; align-items: center; padding: 2rem 1.25rem; border-radius: var(--radius-card); background: linear-gradient(160deg, var(--x-purple), var(--x-purple-deep)); color: var(--x-cert-white); border: 3px solid var(--x-gold); }
.result-laurel { display: none; width: 5rem; height: 10rem; }
@media (min-width: 640px) { .result-hero { grid-template-columns: 5.5rem 1fr 5.5rem; } .result-laurel { display: block; } }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.stat { padding: 1rem 1.25rem; border-radius: 1.25rem; background: var(--surface); border: 1px solid var(--border); }
.stat small { display: block; color: var(--muted); font-weight: 700; }
.stat strong { font-family: var(--font-display); font-size: 1.9rem; color: var(--accent-text); }
.cert-cta { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; padding: 1.25rem 1.5rem; border-radius: var(--radius-card); background: var(--surface); border: 2px solid var(--x-gold); }
@media (min-width: 768px) { .cert-cta { flex-direction: row; align-items: center; } }
.cert-cta-ico { display: grid; place-items: center; width: 3.5rem; height: 3.5rem; flex-shrink: 0; border-radius: 999px; background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold)); color: var(--x-gold-ink); }
.review { padding: 1rem 1.25rem; }
.review-mark { display: grid; place-items: center; width: 1.9rem; height: 1.9rem; flex-shrink: 0; border-radius: 999px; }
.review.is-right .review-mark { background: var(--success-soft); color: var(--success-strong); }
.review.is-wrong .review-mark { background: var(--danger-soft); color: var(--danger-strong); }
.review-pts { font-family: var(--font-display); font-weight: 700; color: var(--accent-text); }
.score-chip { padding: .15rem .7rem; border-radius: 999px; font-weight: 800; background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold)); color: var(--x-gold-ink); }
.cert-card { border: 2px solid color-mix(in srgb, var(--x-gold) 55%, transparent); }

/* ---------- verify ---------- */
.verify-ico { display: inline-grid; place-items: center; width: 4rem; height: 4rem; border-radius: 999px; background: linear-gradient(180deg, var(--x-gold-light), var(--x-gold)); color: var(--x-gold-ink); }
.verify-ico .icon { width: 2rem; height: 2rem; }
.verify-panel { display: flex; flex-direction: column; align-items: center; gap: .75rem; padding: 2rem 1.5rem; border-radius: var(--radius-card); text-align: center; border: 2px solid; }
.verify-panel.is-valid { background: var(--success-soft); color: var(--success-strong); border-color: var(--success); }
.verify-panel.is-invalid { background: var(--danger-soft); color: var(--danger-strong); border-color: var(--danger); }
.verify-panel.is-warn { background: var(--warning-soft); color: var(--warning-strong); border-color: var(--warning); }
.verify-big .icon { width: 3.5rem; height: 3.5rem; }
.record { display: grid; grid-template-columns: 1fr; }
.record > div { display: grid; grid-template-columns: 1fr; gap: .15rem; padding: .7rem 0; border-bottom: 1px solid var(--border); }
.record > div:last-child { border-bottom: 0; }
@media (min-width: 640px) { .record > div { grid-template-columns: 12rem 1fr; gap: 1rem; } }
.record dt { color: var(--muted); font-weight: 700; font-size: .9rem; }
.record dd { min-width: 0; overflow-wrap: anywhere; font-weight: 600; }
.timeline { display: flex; flex-direction: column; gap: .75rem; }
.timeline li { padding-left: .9rem; border-left: 2px solid var(--x-gold); }

/* ---------- the certificate (A4 landscape: 1123 x 794 px = 297 x 210 mm) ---------- */
.cert-stage { position: relative; width: 100%; max-width: 1123px; margin: 0 auto; aspect-ratio: 1123 / 794; overflow: hidden; border-radius: .5rem; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7); }
.cert-scale { position: absolute; top: 0; left: 0; width: 1123px; height: 794px; transform-origin: 0 0; }
html:not(.cert-js) .cert-stage { aspect-ratio: auto; overflow-x: auto; }
html:not(.cert-js) .cert-scale { position: relative; }

.cert { position: relative; width: 1123px; height: 794px; overflow: hidden; color: var(--x-cert-ink); font-family: "Playfair Display", Georgia, serif; font-variant-numeric: lining-nums; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.cert .s-gl { stop-color: var(--x-cert-gold-light); }
.cert .s-g { stop-color: var(--x-cert-gold); }
.cert .s-gd { stop-color: var(--x-cert-gold-deep); }
.cert .s-pv { stop-color: var(--x-cert-violet); }
.cert .s-pd { stop-color: var(--x-cert-purple-deep); }
.cert .s-paper { stop-color: var(--x-cert-paper); }
.cert .s-paper2 { stop-color: var(--x-cert-paper-2); }
.c-frame { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-guilloche { position: absolute; left: 40px; right: 40px; top: 200px; bottom: 120px; opacity: .55; pointer-events: none;
  background:
    repeating-radial-gradient(circle at 20% 60%, transparent 0 14px, color-mix(in srgb, var(--x-cert-violet) 7%, transparent) 14px 15px),
    repeating-radial-gradient(circle at 80% 40%, transparent 0 14px, color-mix(in srgb, var(--x-cert-gold) 8%, transparent) 14px 15px); }
.cert .laurel { color: var(--x-cert-gold); fill: url(#cg-gold-v); }
.c-bg-laurel { position: absolute; top: 262px; width: 110px; height: 230px; opacity: .3; }
.c-bg-laurel-l { left: 262px; }
.c-bg-laurel-r { right: 262px; }

.c-logo { position: absolute; top: 10px; left: 0; right: 0; display: flex; flex-direction: column; align-items: center; }
.c-cap { color: var(--x-cert-white); height: 30px; }
.c-cap .icon { width: 38px; height: 38px; stroke-width: 1.75; }
.c-logo-row { display: flex; align-items: center; gap: 10px; margin-top: 2px; }
.c-logo-laurel { width: 46px; height: 92px; margin-top: -8px; }
.c-wordmark { font-weight: 800; font-size: 64px; line-height: 1; letter-spacing: -.5px;
  background: linear-gradient(180deg, var(--x-cert-gold-light) 10%, var(--x-cert-gold) 55%, var(--x-cert-gold-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 3px 0 rgba(0, 0, 0, .35)); }
.c-wordmark sup { font-size: 24px; vertical-align: 30px; }
.c-ribbon { margin-top: -6px; padding: 5px 34px 6px; font-weight: 700; font-size: 19px; color: var(--x-cert-white);
  background: linear-gradient(180deg, var(--x-cert-violet), var(--x-cert-purple-deep)); border-top: 2px solid var(--x-cert-gold); border-bottom: 2px solid var(--x-cert-gold);
  clip-path: polygon(0 0, 100% 0, 95% 50%, 100% 100%, 0 100%, 5% 50%); }

.c-title { position: absolute; top: 198px; left: 0; right: 0; text-align: center; font-weight: 700; font-size: 50px; line-height: 1.1;
  background: linear-gradient(180deg, var(--x-cert-violet), var(--x-cert-purple-deep)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.c-awarded { position: absolute; top: 266px; left: 50%; transform: translateX(-50%); width: 500px; height: 38px; display: grid; place-items: center;
  background: linear-gradient(180deg, var(--x-cert-gold-light), var(--x-cert-gold) 70%, var(--x-cert-gold-deep));
  clip-path: polygon(0 0, 100% 0, 96% 50%, 100% 100%, 0 100%, 4% 50%); }
.c-awarded span { font-weight: 700; font-size: 19px; color: var(--x-cert-purple-deep); }
.c-name { position: absolute; top: 306px; left: 251px; width: 620px; height: 88px; display: flex; align-items: center; justify-content: center; white-space: nowrap; overflow: hidden; line-height: 1.15; color: var(--x-cert-purple); }
.cert[data-font="script"] .c-name { font-family: "Great Vibes", "Playfair Display", cursive; }
.cert[data-font="serif"] .c-name { font-family: "Playfair Display", Georgia, serif; font-style: italic; font-weight: 700; font-size: .78em; }
.cert[data-font="caps"] .c-name { font-family: "Cinzel", "Playfair Display", serif; font-weight: 700; letter-spacing: 1px; }
.c-divider { position: absolute; top: 398px; left: 301px; width: 520px; height: 16px; }
.c-for { position: absolute; top: 418px; left: 0; right: 0; text-align: center; font-weight: 600; font-style: italic; font-size: 21px; color: var(--x-cert-purple); }
.c-quiz { position: absolute; top: 452px; left: 236px; width: 650px; min-height: 62px; display: flex; align-items: center; justify-content: center; gap: 12px; padding: 6px 22px;
  border-radius: 999px; background: linear-gradient(180deg, var(--x-cert-violet), var(--x-cert-purple-deep)); border: 3px solid var(--x-cert-gold);
  box-shadow: 0 0 0 2px var(--x-cert-gold-light) inset, 0 6px 14px -8px rgba(0, 0, 0, .5); }
.c-quiz-text { color: var(--x-cert-white); font-weight: 700; line-height: 1.15; text-align: center; overflow-wrap: anywhere; }
.c-quiz-gem { color: var(--x-cert-gold-light); font-size: 16px; flex-shrink: 0; }
.c-score-row { position: absolute; top: 528px; left: 150px; right: 150px; display: flex; justify-content: center;
  background: linear-gradient(90deg, transparent, var(--x-cert-gold) 15%, var(--x-cert-gold) 85%, transparent) center / 100% 1.5px no-repeat; }
.c-score { display: inline-flex; align-items: center; gap: 10px; padding: 5px 24px 5px 8px; border-radius: 999px; background: var(--x-cert-white); border: 2px solid var(--x-cert-gold); }
.c-score-ico { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 999px; background: var(--x-cert-paper-2); color: var(--x-cert-red); }
.c-score-ico .icon { width: 22px; height: 22px; }
.c-score-label { font-weight: 700; font-size: 17px; color: var(--x-cert-purple-deep); }
.c-score-val { font-weight: 800; font-size: 22px; color: var(--x-cert-purple-deep); }
.c-msg { position: absolute; top: 574px; left: 0; right: 0; text-align: center; font-weight: 700; font-style: italic; font-size: 25px; color: var(--x-cert-purple); }

.c-bottom { position: absolute; top: 614px; left: 140px; right: 140px; height: 66px; display: grid; grid-template-columns: 1fr auto 1fr auto 1.15fr; align-items: center; gap: 18px; }
.c-meta { display: flex; align-items: center; gap: 12px; min-width: 0; }
.c-meta-ico { display: grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px; border: 2px solid var(--x-cert-violet); color: var(--x-cert-violet); }
.c-meta-ico .icon { width: 22px; height: 22px; }
.c-meta small { display: block; font-size: 15px; font-weight: 600; color: var(--x-cert-ink); }
.c-meta strong { display: block; font-size: 20px; font-weight: 800; color: var(--x-cert-purple-deep); white-space: nowrap; }
.c-vsep { width: 2px; height: 46px; background: linear-gradient(180deg, transparent, var(--x-cert-gold), transparent); }
.c-sign { display: flex; flex-direction: column; align-items: center; line-height: 1.15; min-width: 0; }
.c-sign-script { font-family: "Great Vibes", cursive; font-size: 30px; color: var(--x-cert-purple); white-space: nowrap; margin-bottom: -4px; }
.c-sign-line { width: 220px; height: 1.5px; margin: 2px 0 4px; background: linear-gradient(90deg, transparent, var(--x-cert-gold), transparent); }
.c-sign strong { font-size: 15px; font-weight: 700; color: var(--x-cert-purple-deep); }

.c-medal-wrap { position: absolute; top: 236px; left: 54px; width: 188px; height: 282px; }
.c-medal { width: 100%; height: 100%; overflow: visible; }
.c-medal-trophy { color: var(--x-cert-gold-light); }

.c-qr { position: absolute; top: 244px; right: 50px; width: 200px; display: flex; flex-direction: column; align-items: center; }
.c-qr-box { width: 176px; height: 176px; padding: 8px; border-radius: 14px; background: var(--x-cert-white); border: 3px solid var(--x-cert-gold); box-shadow: 0 0 0 2px var(--x-cert-gold-light) inset; color: var(--x-cert-purple-deep); }
.qr-svg { display: block; width: 100%; height: 100%; }
.c-verify-pill { display: inline-flex; align-items: center; gap: 6px; margin-top: -10px; padding: 5px 14px; border-radius: 10px; font-family: var(--font-body), sans-serif; font-weight: 800; font-size: 15px; color: var(--x-cert-white); background: linear-gradient(180deg, var(--x-cert-violet), var(--x-cert-purple-deep)); border: 2px solid var(--x-cert-gold); }
.c-verify-pill .icon { width: 18px; height: 18px; color: var(--x-cert-gold-light); }
.c-qr-hint { margin-top: 6px; text-align: center; font-family: var(--font-body), sans-serif; font-size: 11.5px; font-weight: 700; color: var(--x-cert-ink); line-height: 1.35; }
.c-qr-hint strong { color: var(--x-cert-violet); font-size: 11.5px; overflow-wrap: anywhere; }

.c-foot { position: absolute; left: 60px; right: 60px; top: 712px; height: 46px; display: flex; align-items: center; justify-content: center; gap: 16px; color: var(--x-cert-white); white-space: nowrap; }
.c-foot-pb { font-weight: 600; font-size: 19px; }
.c-foot-brand { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-body), sans-serif; font-weight: 800; font-size: 21px; }
.c-foot-brand .icon { width: 24px; height: 24px; color: var(--x-cert-gold-light); }
.c-foot-brand sup { font-size: 11px; vertical-align: 9px; }
.c-foot-web { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-body), sans-serif; font-weight: 700; font-size: 16px; }
.c-foot-web .icon { width: 18px; height: 18px; color: var(--x-cert-gold-light); }
.c-foot-sep { color: var(--x-cert-gold); font-size: 22px; }

.c-stamp { position: absolute; top: 330px; left: 50%; transform: translateX(-50%) rotate(-14deg); padding: 8px 40px; border: 8px solid currentColor; border-radius: 16px; font-family: "Cinzel", serif; font-weight: 700; font-size: 96px; letter-spacing: 8px; pointer-events: none; }
.c-stamp-revoked { color: var(--x-cert-red); opacity: .85; }
.c-stamp-replaced { color: var(--x-cert-gold-deep); opacity: .75; font-size: 80px; }
.c-stamp-sample { color: var(--x-cert-violet); opacity: .22; }

@page { size: A4 landscape; margin: 0; }
@media print {
  html, body { background: var(--x-cert-white) !important; }
  .sky, .topbar, .site-foot, .no-print, .toasts, .route-progress { display: none !important; }
  main { max-width: none !important; padding: 0 !important; margin: 0 !important; }
  main > section { padding: 0 !important; }
  .cert-stage { max-width: none; width: 297mm; height: 210mm; aspect-ratio: auto; border-radius: 0; box-shadow: none; overflow: hidden; margin: 0; }
  .cert-scale { transform: none !important; position: static; }
  .cert { width: 297mm; height: 210mm; }
}