/* === Unit 10 game: kill site header offset (empty top band) === */
.arcade-header-bar,
.arcade-nav,
.nav-profile,
.profile-fab,
[data-theme-toggle],
.theme-toggle,
body > header,
.site-footer {
  display: none !important;
}
html, body {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  margin: 0 !important;
}
body.game-page,
body[data-type="game"] {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

/* A / No A – Clothes article swipe · Teen2Teen 1 Unit 10 */

.arcade-header-bar, .arcade-nav, .site-footer, body > header {
  display: none !important;
}

/* Kill global header offset on game pages (mobile reserves 56px+safe-area) */
html, body {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  margin: 0 !important;
}
body.game-page,
body[data-type="game"] {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}



html, body {
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0 !important;
  overflow: hidden !important;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  touch-action: none;
}
body {
  background: #f4f6fb !important;
  color: #1e293b !important;
}
html[data-theme="dark"] body {
  background: #0f1117 !important;
  color: #f1f5f9 !important;
}

.aa-game {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  height: 100%;
  height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow: hidden;
  padding: 0 0 max(8px, env(safe-area-inset-bottom, 0px));
}

/* ---------- Top bar ---------- */
.aa-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  flex-shrink: 0;
}
.aa-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  border: 1px solid #d0d5dd;
  background: #fff;
  color: #334155;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  flex-shrink: 0;
}
html[data-theme="dark"] .aa-back {
  border-color: rgba(148,163,184,0.25);
  background: rgba(255,255,255,0.06);
  color: #e2e8f0;
}
.aa-title {
  flex: 1;
  font-size: 13px;
  font-weight: 700;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
html[data-theme="dark"] .aa-title { color: #94a3b8; }

.aa-hud {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.aa-hud-item {
  font-size: 12px;
  font-weight: 800;
  color: #6d28d9;
  background: rgba(124, 92, 255, 0.12);
  padding: 5px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
html[data-theme="dark"] .aa-hud-item {
  color: #c4b5fd;
  background: rgba(167, 139, 250, 0.18);
}
.aa-hud-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  opacity: 0.75;
}
.aa-time {
  color: #b45309;
  background: rgba(245, 158, 11, 0.15);
}
html[data-theme="dark"] .aa-time {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.2);
}

/* Progress */
.aa-progress {
  height: 4px;
  background: #e2e8f0;
  margin: 0 14px 8px;
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}
html[data-theme="dark"] .aa-progress { background: rgba(148,163,184,0.2); }
.aa-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #7c5cff, #6366f1);
  border-radius: inherit;
  transition: width 0.3s ease;
}

/* ---------- Play area ---------- */
.aa-play {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 14px 12px;
  position: relative;
  overflow: hidden;
}

.aa-targets {
  width: 100%;
  max-width: 400px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  flex-shrink: 0;
  margin-bottom: 12px;
}

.aa-target {
  min-height: 52px;
  padding: 10px 12px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  font-size: 15px;
  border: 2px solid #e2e8f0;
  background: #fff;
  color: #334155;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
html[data-theme="dark"] .aa-target {
  background: rgba(255,255,255,0.05);
  border-color: rgba(148,163,184,0.2);
  color: #e2e8f0;
  box-shadow: none;
}

.aa-target-dir { font-size: 18px; opacity: 0.8; }

.aa-target-noa { border-color: #7dd3fc; }
.aa-target-a { border-color: #fda4af; }
html[data-theme="dark"] .aa-target-noa { border-color: rgba(56,189,248,0.45); }
html[data-theme="dark"] .aa-target-a { border-color: rgba(248,113,113,0.45); }

.aa-target.active {
  transform: scale(1.04);
}
.aa-target-noa.active {
  border-color: #0ea5e9;
  background: rgba(14,165,233,0.1);
  color: #0284c7;
  box-shadow: 0 0 0 3px rgba(14,165,233,0.2);
}
.aa-target-a.active {
  border-color: #f43f5e;
  background: rgba(244,63,94,0.1);
  color: #e11d48;
  box-shadow: 0 0 0 3px rgba(244,63,94,0.2);
}
html[data-theme="dark"] .aa-target-noa.active {
  color: #38bdf8;
  background: rgba(56,189,248,0.15);
}
html[data-theme="dark"] .aa-target-a.active {
  color: #fb7185;
  background: rgba(248,113,113,0.15);
}

.aa-target.correct {
  border-color: #22c55e !important;
  background: rgba(34,197,94,0.12) !important;
  color: #16a34a !important;
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2) !important;
}
.aa-target.wrong {
  border-color: #ef4444 !important;
  background: rgba(239,68,68,0.1) !important;
  color: #dc2626 !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.15) !important;
}
html[data-theme="dark"] .aa-target.correct { color: #4ade80 !important; }
html[data-theme="dark"] .aa-target.wrong { color: #f87171 !important; }

.aa-target-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Crossed-out a */
.aa-crossed-a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1em;
  line-height: 1;
}
.aa-crossed-a .aa-a-letter {
  color: #94a3b8;
  opacity: 0.9;
}
.aa-crossed-a .aa-cross {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ef4444;
  font-size: 1.3em;
  font-weight: 900;
  pointer-events: none;
}
.aa-crossed-a.small { font-size: 1em; margin: 0 2px; }

/* Card */
.aa-card-area {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.aa-card {
  width: min(280px, 78vw);
  min-height: 230px;
  border-radius: 20px;
  background: #fff;
  border: 2px solid #e2e8f0;
  box-shadow: 0 8px 28px rgba(15,23,42,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 14px;
  cursor: grab;
  touch-action: none;
  will-change: transform;
  position: relative;
  z-index: 5;
  transition: box-shadow 0.25s ease, border-color 0.2s ease;
}
html[data-theme="dark"] .aa-card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(148,163,184,0.25);
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}

.aa-card.dragging {
  cursor: grabbing;
  box-shadow: 0 14px 36px rgba(15,23,42,0.14);
}
html[data-theme="dark"] .aa-card.dragging {
  box-shadow: 0 14px 36px rgba(0,0,0,0.5);
}

.aa-card.swiping-left { border-color: #0ea5e9; }
.aa-card.swiping-right { border-color: #f43f5e; }

.aa-card-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.aa-word {
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 800;
  letter-spacing: -0.3px;
  text-align: center;
  color: #1e293b;
  line-height: 1.2;
  text-transform: lowercase;
}
html[data-theme="dark"] .aa-word { color: #f1f5f9; }

.aa-card.exit-left {
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
  transform: translate3d(-150%, 0, 0) rotate(-12deg) !important;
  opacity: 0;
}
.aa-card.exit-right {
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
  transform: translate3d(150%, 0, 0) rotate(12deg) !important;
  opacity: 0;
}

.aa-hint {
  margin: 8px 0 0;
  font-size: 12px;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.aa-feedback {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 16px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 10;
  white-space: nowrap;
}
.aa-feedback.show { opacity: 1; }
.aa-feedback.correct { color: #16a34a; }
.aa-feedback.wrong { color: #dc2626; }
html[data-theme="dark"] .aa-feedback.correct { color: #4ade80; }
html[data-theme="dark"] .aa-feedback.wrong { color: #f87171; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ---------- Overlays ---------- */
.aa-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(244,246,251,0.92);
  backdrop-filter: blur(6px);
  z-index: 50;
  padding: 20px;
}
html[data-theme="dark"] .aa-overlay {
  background: rgba(15,17,23,0.92);
}
.aa-overlay.aa-hidden { display: none; }

.aa-panel {
  width: min(340px, 92vw);
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: 0 16px 48px rgba(15,23,42,0.1);
}
html[data-theme="dark"] .aa-panel {
  background: #1a1d27;
  border-color: rgba(148,163,184,0.2);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.aa-hero {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: linear-gradient(145deg, #34d399, #6366f1);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin: 0 auto 14px;
  box-shadow: 0 8px 24px rgba(99,102,241,0.28);
}

.aa-panel h1 {
  margin: 0 0 8px;
  font-size: 1.4rem;
  font-weight: 900;
  color: #1e293b;
}
html[data-theme="dark"] .aa-panel h1 { color: #f1f5f9; }

.aa-desc {
  margin: 0 0 14px;
  color: #64748b;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.45;
}
html[data-theme="dark"] .aa-desc { color: #94a3b8; }
.aa-desc strong { color: #1e293b; }
html[data-theme="dark"] .aa-desc strong { color: #e2e8f0; }

.aa-guide {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
}
.aa-guide-noa { color: #0284c7; display: inline-flex; align-items: center; gap: 4px; }
.aa-guide-a { color: #e11d48; }
html[data-theme="dark"] .aa-guide-noa { color: #38bdf8; }
html[data-theme="dark"] .aa-guide-a { color: #fb7185; }

.aa-tip {
  font-size: 12px;
  color: #94a3b8;
  margin: 0 0 18px;
}
.aa-tip em {
  color: #475569;
  font-style: normal;
  font-weight: 700;
}
html[data-theme="dark"] .aa-tip em { color: #cbd5e1; }

.aa-results {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 18px;
}
.aa-results div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.aa-results span {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: #94a3b8;
}
.aa-results strong {
  font-size: 18px;
  font-weight: 900;
  color: #1e293b;
}
html[data-theme="dark"] .aa-results strong { color: #f1f5f9; }

.aa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 220px;
  min-height: 48px;
  padding: 12px 20px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #7c5cff, #6366f1);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(99,102,241,0.35);
  transition: filter 0.15s ease, transform 0.15s ease;
}
.aa-btn:hover { filter: brightness(1.06); }
.aa-btn:active { transform: scale(0.97); }

/* Responsive */
@media (max-height: 640px) {
  .aa-card {
    width: min(220px, 65vw);
    min-height: 180px;
    padding: 12px 10px;
  }
  .aa-card-img { width: 96px; height: 96px; }
  .aa-word { font-size: 18px; }
  .aa-target { min-height: 44px; font-size: 13px; padding: 8px 10px; }
  .aa-hero { width: 52px; height: 52px; font-size: 24px; }
}

@media (max-width: 360px) {
  .aa-hud { gap: 4px; }
  .aa-hud-item { padding: 4px 7px; font-size: 11px; }
  .aa-title { font-size: 12px; }
}