:root {
  --bg: #0b0d12;
  --bg-2: #11141b;
  --panel: #161a24;
  --panel-2: #1d2230;
  --panel-3: #262d3d;
  --border: #2a3142;
  --border-subtle: #1f2532;
  --text: #eef2f7;
  --text-dim: #aeb6c4;
  --muted: #6f7889;
  --accent: #6ea8ff;
  --accent-soft: rgba(110, 168, 255, 0.16);
  --good: #5fd58a;
  --good-soft: rgba(95, 213, 138, 0.16);
  --warn: #f5b95c;
  --warn-soft: rgba(245, 185, 92, 0.18);
  --danger: #ef6e6e;
  --danger-soft: rgba(239, 110, 110, 0.18);
  --felt-1: #14563b;
  --felt-2: #0d3d27;
  --felt-3: #082a1a;
  --gold: #c4a36e;
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background:
    radial-gradient(ellipse at top, #1a1f2c 0%, #0b0d12 70%) fixed,
    var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

.mono { font-family: 'JetBrains Mono', SFMono-Regular, Menlo, monospace; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }

/* =============================================================
   TOP BAR
   ============================================================= */
/* Public demo banner — only visible when THE_FELT_PUBLIC_DEMO=1 */
.demo-banner {
  background: linear-gradient(90deg, rgba(110, 168, 255, 0.18), rgba(245, 185, 92, 0.08));
  border-bottom: 1px solid rgba(110, 168, 255, 0.35);
  padding: 8px 0;
}
.demo-banner-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
}
.demo-badge {
  background: var(--accent);
  color: #0b0d12;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 4px;
}
.demo-text { flex: 1; min-width: 0; }
.demo-scrubber { display: flex; align-items: center; gap: 4px; }
.demo-scrubber-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-right: 4px;
}
.demo-scrubber button {
  width: 24px;
  height: 24px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}
.demo-scrubber button:hover { background: var(--accent); color: #0b0d12; border-color: var(--accent); }
.demo-scrubber button.active {
  background: var(--accent);
  color: #0b0d12;
  border-color: var(--accent);
  font-weight: 700;
}

.topbar {
  display: grid;
  grid-template-columns: auto auto 1fr auto auto auto;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  background: linear-gradient(180deg, var(--panel) 0%, rgba(22, 26, 36, 0.85) 100%);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

/* ===== Stage HUD ===== */
.stage-hud {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 6px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}
.stage-axes {
  display: flex;
  gap: 3px;
}
.axis {
  width: 18px;
  height: 4px;
  border-radius: 2px;
  background: var(--panel-3);
  transition: background 0.3s, box-shadow 0.3s;
}
.axis.unlocked {
  background: var(--accent);
  box-shadow: 0 0 6px rgba(110, 168, 255, 0.4);
}
.axis.active {
  background: var(--good);
  box-shadow: 0 0 8px rgba(95, 213, 138, 0.5);
  animation: axis-pulse 1.6s infinite;
}
@keyframes axis-pulse {
  0%, 100% { box-shadow: 0 0 6px rgba(95, 213, 138, 0.4); }
  50% { box-shadow: 0 0 14px rgba(95, 213, 138, 0.8); }
}
.stage-label {
  font-size: 11px;
  color: var(--text-dim);
}
.stage-label strong { color: var(--text); }
.stage-label span { color: var(--accent); font-weight: 600; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand .logo {
  font-size: 22px;
  color: var(--gold);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}
.brand .name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.session-strip {
  display: flex;
  gap: 22px;
  justify-content: center;
}
.session-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.session-stat .label { font-size: 10px; }
.session-stat .value {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.session-stat .value.up { color: var(--good); }
.session-stat .value.down { color: var(--danger); }

.streak-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: linear-gradient(135deg, rgba(245, 185, 92, 0.15), rgba(239, 110, 110, 0.08));
  border: 1px solid rgba(245, 185, 92, 0.3);
  border-radius: 999px;
  transition: all 0.25s ease;
}
.streak-chip.bump {
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(245, 185, 92, 0.4);
}
.streak-chip.reset {
  background: linear-gradient(135deg, rgba(110, 118, 129, 0.15), rgba(0, 0, 0, 0.0));
  border-color: rgba(139, 148, 158, 0.3);
}
.streak-icon { font-size: 18px; line-height: 1; }
.streak-body { display: flex; flex-direction: column; line-height: 1.1; }
.streak-current {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  color: var(--warn);
}
.streak-chip.reset .streak-current { color: var(--muted); }
.streak-best {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.streak-best span {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

.skill-block {
  display: flex;
  align-items: center;
  gap: 10px;
}
.skill-ring {
  position: relative;
  width: 60px;
  height: 60px;
}
.skill-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.skill-ring-bg {
  fill: none;
  stroke: var(--panel-3);
  stroke-width: 4;
}
.skill-ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 163.36;     /* 2*PI*26 */
  stroke-dashoffset: 81;         /* default 50% */
  transition: stroke-dashoffset 0.6s ease, stroke 0.4s;
}
.skill-num {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
}
.skill-side {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.skill-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
}
.skill-trend {
  font-size: 11px;
  color: var(--muted);
  min-height: 14px;
}
.skill-trend.up { color: var(--good); }
.skill-trend.down { color: var(--danger); }

.status-block { display: flex; align-items: center; }
.status {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--muted);
  letter-spacing: 0.02em;
}
.status.ok { color: var(--good); background: var(--good-soft); }
.status.err { color: var(--danger); background: var(--danger-soft); }

/* =============================================================
   MAIN LAYOUT
   ============================================================= */
main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  height: calc(100vh - 75px);
  gap: 0;
}

.table-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 24px 12px;
  overflow: hidden;
}

#table {
  width: 100%;
  max-width: 1100px;
  flex: 1 1 auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
}

/* =============================================================
   TABLE (SVG elements styled by class)
   ============================================================= */
#table .felt-outer {
  fill: #2a2018;
  stroke: #1a1410;
  stroke-width: 4;
}
#table .felt-rim {
  fill: #382a1f;
  stroke: var(--gold);
  stroke-width: 1.5;
  opacity: 0.8;
}
#table .felt-rim-shadow {
  fill: none;
  stroke: rgba(0, 0, 0, 0.5);
  stroke-width: 14;
  filter: blur(6px);
}
#table .felt-inner {
  fill: url(#felt-gradient);
  stroke: var(--felt-3);
  stroke-width: 2;
}
#table .felt-pattern {
  fill: none;
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 1;
}

#table .seat-bg {
  fill: var(--panel-2);
  stroke: var(--border);
  stroke-width: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}
#table .seat-bg.hero {
  fill: #1c2638;
  stroke: var(--accent);
  stroke-width: 1.5;
}
#table .seat-bg.active {
  stroke: var(--accent);
  stroke-width: 2.5;
}
#table .seat-bg.folded { opacity: 0.35; }

#table .seat-name {
  fill: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-anchor: middle;
}
#table .seat-arch {
  fill: var(--text-dim);
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-style: italic;
  text-anchor: middle;
}
#table .seat-stack {
  fill: var(--gold);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  text-anchor: middle;
}
#table .seat-pos {
  fill: var(--accent);
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-anchor: middle;
  text-transform: uppercase;
}

#table .pot-pill {
  fill: rgba(0, 0, 0, 0.35);
  stroke: rgba(255, 255, 255, 0.06);
}
#table .pot-label {
  fill: var(--text-dim);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-anchor: middle;
}
#table .pot-amount {
  fill: var(--gold);
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  text-anchor: middle;
}
#table .street-label {
  fill: var(--text-dim);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-anchor: middle;
  opacity: 0.5;
}

#table .bet-chip {
  fill: var(--warn);
  stroke: #7a5c1f;
  stroke-width: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}
#table .bet-chip-inner {
  fill: rgba(0, 0, 0, 0.18);
  stroke: rgba(0, 0, 0, 0.25);
  stroke-width: 0.5;
}
#table .bet-amount {
  fill: #2a1c00;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-anchor: middle;
}

#table .dealer-button {
  fill: #fafafa;
  stroke: #888;
  stroke-width: 1;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.5));
}
#table .dealer-button-ring {
  fill: none;
  stroke: rgba(0, 0, 0, 0.2);
  stroke-width: 0.5;
}
#table .dealer-button-text {
  fill: #1c1c1c;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 800;
  text-anchor: middle;
}

#table .stack-chip {
  fill: var(--accent);
  stroke: rgba(0, 0, 0, 0.4);
  stroke-width: 0.5;
}
#table .stack-chip.large { fill: var(--gold); }
#table .stack-chip.small { fill: #6a7484; }

#table .card-rect {
  fill: #fafafa;
  stroke: #555;
  stroke-width: 0.5;
  rx: 5;
  ry: 5;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.45));
}
#table .card-back {
  fill: url(#card-back-gradient);
  stroke: #2a0a0a;
  stroke-width: 0.5;
  rx: 5;
  ry: 5;
}
#table .card-back-pattern { fill: rgba(255, 255, 255, 0.08); }
#table .card-rank { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 700; }
#table .card-suit { font-size: 16px; }
#table .card-rank.red, #table .card-suit.red { fill: #c62828; }
#table .card-rank.black, #table .card-suit.black { fill: #1c1c1c; }

#table .last-action-label {
  fill: var(--text-dim);
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  text-anchor: middle;
  font-style: italic;
}

/* =============================================================
   ACTION BAR
   ============================================================= */
.action-bar {
  width: 100%;
  max-width: 900px;
  margin-top: 12px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--shadow-md);
}

.action-meta {
  display: flex;
  justify-content: space-around;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 12px;
}
.meta-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.meta-stat .label { font-size: 10px; }
.meta-stat .value { font-size: 16px; font-weight: 600; color: var(--text); }

.action-buttons {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.act {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 8px;
  border-radius: 8px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 64px;
}
.act:hover:not(:disabled) {
  background: var(--panel);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.act:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}
.act .act-label {
  font-size: 14px;
  font-weight: 600;
}
.act .act-amount {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
  font-weight: 500;
}
.act .act-amount:empty { display: none; }

.act-fold { color: var(--danger); }
.act-call { color: var(--accent); }
.act-bet, .act-raise { color: var(--good); }
.act-allin {
  background: linear-gradient(135deg, #3a1f1f, #4a2828);
  border-color: #6b2929;
  color: var(--danger);
}

.act.recommended {
  background: linear-gradient(135deg, var(--accent-soft), rgba(95, 213, 138, 0.1));
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px var(--accent),
    0 0 20px rgba(110, 168, 255, 0.35);
}
.act.recommended::before {
  content: "✓";
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--accent);
  color: #fff;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.bet-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}
.bet-row input[type="range"] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  background: var(--panel-3);
  border-radius: 999px;
  outline: none;
}
.bet-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--accent);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.bet-row input[type="number"] {
  width: 90px;
  padding: 7px 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  text-align: right;
}
.quick-sizes { display: flex; gap: 4px; }
.quick-sizes button {
  padding: 6px 10px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.quick-sizes button:hover { color: var(--text); border-color: var(--accent); }
.bet-confirm {
  padding: 8px 16px;
  background: var(--accent);
  color: #0d1117;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}
.bet-cancel {
  padding: 6px 10px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}
.bet-cancel:hover { color: var(--text); background: var(--panel); }

.action-hint {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.02em;
}
.action-hint kbd {
  display: inline-block;
  padding: 1px 6px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  margin: 0 2px;
}

/* =============================================================
   SIDE PANEL
   ============================================================= */
.side-panel {
  padding: 20px 20px 12px 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  min-height: 0;
}

.panel-card, .coach-card {
  background: var(--panel);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.coach-card {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: 75vh;
  overflow-y: auto;
}
.coach-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}
.coach-title { font-size: 14px; font-weight: 600; color: var(--text); }
.study-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.study-toggle input { cursor: pointer; }
.study-toggle:hover { color: var(--text-dim); }

.post-action-feedback {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  font-size: 12px;
  border-left: 3px solid var(--border);
  background: var(--panel-2);
  animation: slidein 0.25s ease;
}
.post-action-feedback.good { border-left-color: var(--good); }
.post-action-feedback.warn { border-left-color: var(--warn); }
.post-action-feedback.bad { border-left-color: var(--danger); }
.post-action-feedback .paf-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 13px;
}
.post-action-feedback.good .paf-title { color: var(--good); }
.post-action-feedback.warn .paf-title { color: var(--warn); }
.post-action-feedback.bad .paf-title { color: var(--danger); }
.post-action-feedback .paf-body { color: var(--text-dim); line-height: 1.45; }
@keyframes slidein {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.coach-empty {
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
  text-align: center;
  padding: 12px 0;
}

.spot-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}
.spot-chip.spot-value_raise,
.spot-chip.spot-value_bet,
.spot-chip.spot-value_call {
  background: var(--good-soft);
  border-color: rgba(95, 213, 138, 0.4);
  color: var(--good);
}
.spot-chip.spot-pure_bluff,
.spot-chip.spot-semi_bluff {
  background: var(--warn-soft);
  border-color: rgba(245, 185, 92, 0.4);
  color: var(--warn);
}
.spot-chip.spot-bluff_catch {
  background: var(--accent-soft);
  border-color: rgba(110, 168, 255, 0.4);
  color: var(--accent);
}
.spot-chip.spot-give_up, .spot-chip.spot-marginal {
  background: var(--panel-3);
  color: var(--text-dim);
}

.coach-verdict {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 6px;
}
.coach-verdict .verdict-action {
  color: var(--accent);
}
.coach-why {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 10px;
}
.coach-villain {
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  background: var(--panel-2);
  border-radius: 6px;
  border-left: 2px solid var(--warn);
  margin-bottom: 10px;
}
.coach-villain strong { color: var(--text-dim); font-weight: 500; }

.show-math {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.show-math:hover { background: var(--panel-2); color: var(--text); }

.math-drawer {
  margin-top: 12px;
  padding-top: 12px;
  padding-right: 4px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.derivation-intro {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 4px;
}

.derivation-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.deriv-step {
  background: var(--panel-2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
  position: relative;
}
.deriv-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.deriv-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #0b0d12;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.deriv-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.deriv-reveal {
  margin-left: auto;
  padding: 3px 8px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  font-family: inherit;
  font-size: 10px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.deriv-reveal:hover { color: var(--text); background: var(--panel); }

.deriv-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-dim);
}
.deriv-step.locked .deriv-body { display: none; }
.deriv-q {
  color: var(--accent);
  font-style: italic;
  margin-bottom: 2px;
}
.deriv-formula, .deriv-numbers {
  display: flex;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
}
.deriv-formula .lbl, .deriv-numbers .lbl {
  font-size: 9px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.deriv-formula code, .deriv-numbers code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  background: var(--bg-2);
  color: var(--text);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
}
.deriv-result {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}
.deriv-result strong {
  color: var(--good);
  font-family: 'JetBrains Mono', monospace;
}
.deriv-gloss {
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  font-style: italic;
}

.raw-stats {
  margin-top: 8px;
}
.raw-stats summary {
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 0;
  user-select: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.raw-stats summary:hover { color: var(--text-dim); }
.raw-stats[open] {
  padding-top: 6px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.math-row {
  display: grid;
  grid-template-columns: 1fr 90px 50px;
  align-items: center;
  gap: 8px;
}
.math-row .math-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.math-row .math-bar {
  height: 6px;
  background: var(--panel-3);
  border-radius: 999px;
  overflow: hidden;
}
.math-row .fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  transition: width 0.4s ease;
}
.equity-fill { background: linear-gradient(90deg, var(--good), #4cbf7a); }
.odds-fill { background: linear-gradient(90deg, var(--warn), #d99a3f); }
.math-row .math-num {
  font-size: 13px;
  font-weight: 600;
  text-align: right;
}

.math-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px;
  background: var(--panel-2);
  border-radius: 6px;
}
.math-grid > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.math-grid .label { font-size: 9px; }
.math-grid .value { font-size: 13px; font-weight: 600; }

.ev-list-wrap {
  background: var(--panel-2);
  border-radius: 6px;
  padding: 8px 10px;
}
.ev-header {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
#ev-list { list-style: none; padding: 0; margin: 0; }
#ev-list li {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 3px 0;
  font-family: 'JetBrains Mono', monospace;
}
#ev-list li.best { color: var(--good); font-weight: 600; }
#ev-list li.bad { color: var(--danger); opacity: 0.7; }

.tier-notes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tier-notes li {
  padding: 8px 10px;
  background: var(--panel-2);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-dim);
  border-left: 2px solid var(--border);
  line-height: 1.45;
}
.tier-notes li .label {
  display: inline-block;
  font-size: 9px;
  padding: 1px 5px;
  margin-right: 6px;
  background: var(--panel-3);
  border-radius: 3px;
  color: var(--muted);
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Tabs */
.tabs-card { display: flex; flex-direction: column; min-height: 240px; flex: 1; overflow: hidden; }
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--panel-2);
}
.tab {
  flex: 1;
  padding: 10px 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.tab:hover:not(.active) { color: var(--text-dim); }
.tab-body { flex: 1; overflow-y: auto; padding: 12px; }
.tab-pane { display: none; height: 100%; }
.tab-pane.active { display: flex; flex-direction: column; }

.stream {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stream li {
  font-size: 12px;
  color: var(--text-dim);
  padding: 6px 10px;
  background: var(--panel-2);
  border-radius: 6px;
  border-left: 2px solid var(--border);
  transition: opacity 0.4s;
  animation: stream-in 0.3s ease;
}
.stream li.action-aggression { border-left-color: var(--warn); color: var(--text); }
.stream li.action-street {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 11px;
}
.stream li.action-hand-start {
  background: var(--panel-3);
  border-left-color: var(--gold);
  font-weight: 600;
  color: var(--gold);
}

.stream li.narration {
  background: linear-gradient(135deg, var(--accent-soft), rgba(95, 213, 138, 0.06));
  border-left-color: var(--accent);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stream li.narration-board {
  background: linear-gradient(135deg, var(--warn-soft), rgba(245, 185, 92, 0.04));
  border-left-color: var(--warn);
}
.stream li.narration-aggression {
  background: linear-gradient(135deg, var(--danger-soft), rgba(239, 110, 110, 0.04));
  border-left-color: var(--danger);
}
.narration-headline {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}
.narration-insight {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}
.narration-range {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.narration-range strong {
  color: var(--accent);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}
.stream li strong { color: var(--text); font-weight: 600; }
@keyframes stream-in {
  from { opacity: 0; transform: translateX(-4px); }
  to { opacity: 1; transform: translateX(0); }
}

.leak-block {
  font-size: 13px;
  padding: 12px;
  background: var(--panel-2);
  border-radius: 8px;
  line-height: 1.5;
}

/* ===== Drills ===== */
.drills-recommendation {
  padding: 10px 12px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(95, 213, 138, 0.06));
  border: 1px solid rgba(110, 168, 255, 0.3);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 10px;
  line-height: 1.45;
}
.drills-recommendation strong { color: var(--accent); }
.drills-recommendation .start-rec {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 10px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.drills-list { display: flex; flex-direction: column; gap: 4px; }
.drill-module {
  margin-top: 6px;
  margin-bottom: 4px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding-top: 6px;
  border-top: 1px dashed var(--border-subtle);
}
.drill-module:first-child { border-top: none; padding-top: 0; }
.drill-lesson {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--panel-2);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.drill-lesson:hover { background: var(--panel-3); }
.drill-lesson.locked { opacity: 0.4; cursor: not-allowed; }
.drill-lesson.mastered { border-color: var(--good); }
.drill-state {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  background: var(--panel-3);
  border: 1.5px solid var(--border);
}
.drill-lesson.active .drill-state { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.drill-lesson.mastered .drill-state { background: var(--good); border-color: var(--good); color: #0b0d12; }
.drill-lesson.locked .drill-state { background: var(--panel-3); color: var(--muted); }
.drill-info { flex: 1; }
.drill-title-row { display: flex; justify-content: space-between; align-items: center; }
.drill-name { font-size: 12px; font-weight: 500; color: var(--text); }
.drill-progress { font-size: 10px; color: var(--muted); font-family: 'JetBrains Mono', monospace; }
.drill-bar {
  height: 3px;
  background: var(--panel-3);
  border-radius: 2px;
  margin-top: 3px;
  overflow: hidden;
}
.drill-bar .fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s;
}
.drill-lesson.mastered .drill-bar .fill { background: var(--good); }

.drill-modal {
  margin-top: 10px;
  padding: 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.drill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}
.drill-lesson-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.drill-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.drill-close:hover { color: var(--text); }

.drill-question {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}
.drill-context {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--bg-2);
  padding: 8px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}
.drill-context:empty { display: none; }

.drill-choices {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.drill-choices button {
  text-align: left;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.drill-choices button:hover:not(:disabled) { background: var(--panel-3); border-color: var(--accent); }
.drill-choices button.correct { background: var(--good-soft); border-color: var(--good); color: var(--good); }
.drill-choices button.incorrect { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.drill-choices button:disabled { cursor: default; }

.drill-numeric {
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
}
.drill-numeric:focus { outline: none; border-color: var(--accent); }
.drill-submit {
  padding: 10px 16px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.drill-feedback {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.5;
}
.drill-feedback.correct {
  background: var(--good-soft);
  border-left: 3px solid var(--good);
  color: var(--text);
}
.drill-feedback.incorrect {
  background: var(--danger-soft);
  border-left: 3px solid var(--danger);
  color: var(--text);
}
.drill-feedback strong { color: var(--text); }
.drill-feedback .correct-answer {
  display: block;
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}
.drill-next {
  padding: 8px 14px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  align-self: flex-start;
}

/* ===== Concept focus banner above coach content ===== */
.concept-focus {
  margin-bottom: 10px;
  padding: 8px 12px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(95, 213, 138, 0.05));
  border: 1px solid rgba(110, 168, 255, 0.3);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text);
  line-height: 1.45;
}
.concept-focus strong { color: var(--accent); }
.leak-block .leak-tag {
  color: var(--warn);
  font-weight: 600;
}

/* Chat */
.chat-log {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 8px;
  min-height: 60px;
}
.chat-msg {
  padding: 8px 12px;
  border-radius: 12px;
  max-width: 92%;
  font-size: 13px;
  line-height: 1.45;
}
.chat-msg.user {
  background: var(--accent);
  color: #0b0d12;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-msg.coach {
  background: var(--panel-2);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-msg.coach.loading { opacity: 0.6; font-style: italic; }

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}
.qa-suggest {
  padding: 4px 8px;
  background: var(--panel-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
  border-radius: 999px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.qa-suggest:hover { background: var(--panel-3); color: var(--text); }

.qa-form {
  display: flex;
  gap: 6px;
}
.qa-form input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
}
.qa-form input:focus {
  outline: none;
  border-color: var(--accent);
}
.qa-form button {
  padding: 8px 14px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

/* Tier card */
.tier-card { padding: 12px 14px; }
.tier-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.tier-label { font-size: 12px; color: var(--text-dim); }
#tier-select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}

/* =============================================================
   PER-TURN QUIZ MODAL
   ============================================================= */
.quiz-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 13, 18, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  animation: fadein 0.18s ease;
}

.quiz-modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 560px;
  width: 92%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  min-height: 0;
  box-shadow: var(--shadow-lg);
  animation: slideup 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
  overflow: hidden;        /* container clips; inner body scrolls */
}

.quiz-modal > .quiz-header,
.quiz-modal > .quiz-footer {
  flex: 0 0 auto;
  padding-left: 22px;
  padding-right: 22px;
}
.quiz-modal > .quiz-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0 22px;
}

.quiz-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}
.quiz-stage { display: flex; flex-direction: column; gap: 2px; }
.quiz-stage-id {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.quiz-stage-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.quiz-stage-teaches {
  font-size: 12px;
  color: var(--accent);
  font-style: italic;
  margin-left: auto;
  padding: 3px 8px;
  background: var(--accent-soft);
  border-radius: 999px;
}
.quiz-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.quiz-close:hover { color: var(--text); }

/* "Situation card" — compact: cards on a single row, meta inline. */
.quiz-situation {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  margin: 14px 0 14px;
  background: linear-gradient(135deg, var(--felt-2), var(--felt-3));
  border: 1px solid rgba(196, 163, 110, 0.4);
  border-radius: 10px;
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.3);
}
.quiz-situation-cards {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.quiz-cards-group { display: flex; align-items: center; gap: 6px; }
.quiz-cards-label {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.quiz-cards-row { display: flex; gap: 3px; }
.quiz-card {
  width: 28px;
  height: 40px;
  background: #fafafa;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 2px 0 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  font-weight: 700;
}
.quiz-card .rank { font-size: 13px; line-height: 1; }
.quiz-card .suit { font-size: 11px; line-height: 1; margin-top: 1px; }
.quiz-card.red { color: #c62828; }
.quiz-card.black { color: #1c1c1c; }
.quiz-card.empty {
  background: rgba(0, 0, 0, 0.25);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  box-shadow: none;
}
.quiz-situation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.75);
  padding-top: 6px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}
.quiz-situation-meta .pair { display: inline-flex; align-items: baseline; gap: 4px; }
.quiz-situation-meta .label {
  color: rgba(255, 255, 255, 0.55);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.quiz-situation-meta .value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
}

.quiz-questions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.quiz-q {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quiz-q-prompt {
  font-size: 14px;
  color: var(--text);
  line-height: 1.45;
}
.quiz-q-prompt .q-num {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #0b0d12;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  line-height: 18px;
  margin-right: 6px;
  font-family: 'JetBrains Mono', monospace;
}

.quiz-q-input {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.quiz-q-input input {
  padding: 9px 11px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  width: 100px;
}
.quiz-q-input input:focus { outline: none; border-color: var(--accent); }
.quiz-q-input .q-suffix {
  color: var(--text-dim);
  font-size: 13px;
}

.quiz-q-choices {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.quiz-q-choices button {
  text-align: left;
  padding: 9px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border-subtle);
  color: var(--text);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.12s;
}
.quiz-q-choices button:hover { background: var(--panel-3); border-color: var(--accent); }
.quiz-q-choices button.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.quiz-q-help {
  display: flex;
  gap: 6px;
  font-size: 11px;
}
.quiz-q-help button {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--muted);
  padding: 3px 9px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}
.quiz-q-help button:hover { color: var(--text); border-color: var(--text-dim); }
.quiz-q-revealed {
  font-size: 12px;
  color: var(--warn);
  font-style: italic;
  padding: 6px 8px;
  background: var(--warn-soft);
  border-radius: 4px;
  border-left: 2px solid var(--warn);
}

.quiz-q-feedback {
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  margin-top: 6px;
  line-height: 1.45;
}
.quiz-q-feedback.correct {
  background: var(--good-soft);
  border-left: 3px solid var(--good);
  color: var(--text);
}
.quiz-q-feedback.incorrect {
  background: var(--danger-soft);
  border-left: 3px solid var(--danger);
  color: var(--text);
}
.quiz-q-feedback strong { color: var(--text); }

.quiz-handled {
  margin-top: 14px;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: var(--panel-2);
  border-radius: 8px;
  border: 1px dashed var(--border);
}
.quiz-handled-title {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-weight: 600;
}
.quiz-handled-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 12px;
}
.quiz-handled-grid dt { color: var(--text-dim); }
.quiz-handled-grid dd { color: var(--text); margin: 0; font-family: 'JetBrains Mono', monospace; }

.quiz-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 16px;
  border-top: 1px solid var(--border-subtle);
  background: var(--panel);   /* opaque sticky footer */
  gap: 12px;
}
.quiz-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--muted);
}
.streak-mini span { color: var(--warn); font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.freq-mini { color: var(--muted); }

.quiz-submit {
  padding: 10px 22px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.quiz-submit:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.quiz-submit:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

/* ===== Walkthrough overlay (pre-stage lesson) ===== */
.walkthrough-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 13, 18, 0.82);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadein 0.18s ease;
}
.walkthrough-modal {
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 16px;
  width: 92%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 40px rgba(110, 168, 255, 0.25), var(--shadow-lg);
  animation: slideup 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
  overflow: hidden;
}
.walkthrough-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px 12px;
  border-bottom: 1px solid var(--border-subtle);
}
.walkthrough-stage {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.walkthrough-progress {
  font-size: 11px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}
.walkthrough-body {
  padding: 20px 22px;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
}
.walkthrough-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px 0;
}
.walkthrough-text {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 14px;
}
.walkthrough-text strong { color: var(--text); }
.walkthrough-text em { color: var(--text); font-style: italic; }
.walkthrough-formula {
  margin: 14px 0;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent);
}
.walkthrough-example {
  margin: 14px 0;
  padding: 14px;
  background: linear-gradient(135deg, var(--felt-2), var(--felt-3));
  border: 1px solid rgba(196, 163, 110, 0.4);
  border-radius: 10px;
}
.walkthrough-example-label {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 600;
}
.walkthrough-example-cards {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.walkthrough-example-cards .quiz-cards-group {
  display: flex; align-items: center; gap: 6px;
}
.walkthrough-example-answer {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
}
.walkthrough-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border-subtle);
  background: var(--panel);
}
.walkthrough-back, .walkthrough-skip {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}
.walkthrough-back:hover, .walkthrough-skip:hover { color: var(--text); background: var(--panel-2); }
.walkthrough-next {
  padding: 9px 22px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  margin-left: auto;
}

/* Detailed feedback rendering — outs breakdown */
.quiz-q-feedback code {
  background: var(--bg-2);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
}
.quiz-q-feedback br + strong {
  display: inline-block;
  margin-top: 4px;
}

/* ===== Stage-up prompt ===== */
.stage-up-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 13, 18, 0.78);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 95;
  animation: fadein 0.2s;
}
.stage-up-modal {
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid var(--accent);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 480px;
  text-align: center;
  box-shadow: 0 0 40px rgba(110, 168, 255, 0.3), var(--shadow-lg);
  animation: slideup 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.stage-up-icon { font-size: 56px; margin-bottom: 12px; }
.stage-up-title { font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.stage-up-body { font-size: 13px; color: var(--text-dim); line-height: 1.6; margin-bottom: 20px; }
.stage-up-actions { display: flex; gap: 10px; justify-content: center; }
.stage-up-stay {
  padding: 10px 20px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
}
.stage-up-go {
  padding: 10px 24px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}

/* ===== Tour overlay ===== */
.tour-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 13, 18, 0.82);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 110;
  animation: fadein 0.2s;
}
.tour-modal {
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 520px;
  width: 90%;
  box-shadow: 0 0 50px rgba(110, 168, 255, 0.25), var(--shadow-lg);
  animation: slideup 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.tour-step { font-size: 14px; color: var(--text); line-height: 1.6; min-height: 120px; }
.tour-step h3 { font-size: 20px; margin: 0 0 8px 0; color: var(--text); }
.tour-step p { margin: 8px 0; color: var(--text-dim); }
.tour-step .tour-emphasis { color: var(--accent); font-weight: 600; }
.tour-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}
.tour-skip {
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
}
.tour-next {
  padding: 9px 22px;
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}

/* =============================================================
   RECAP MODAL
   ============================================================= */
.recap-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 13, 18, 0.78);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadein 0.2s ease;
}
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

.recap-modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 560px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: slideup 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes slideup {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.recap-header { margin-bottom: 20px; }
.recap-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.recap-subtitle {
  font-size: 13px;
  color: var(--muted);
}
.recap-subtitle .recap-winner { color: var(--gold); font-weight: 600; }
.recap-subtitle .recap-amount { color: var(--good); font-weight: 600; font-family: 'JetBrains Mono', monospace; }

.recap-board {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 20px;
}
.recap-card {
  width: 44px;
  height: 62px;
  background: #fafafa;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.recap-card .rank { font-size: 16px; line-height: 1; }
.recap-card .suit { font-size: 14px; line-height: 1; margin-top: 2px; }
.recap-card.red { color: #c62828; }
.recap-card.black { color: #1c1c1c; }
.recap-card.empty {
  background: var(--panel-3);
  opacity: 0.3;
}

.recap-showdown {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.showdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--panel-2);
  border-radius: 8px;
  font-size: 13px;
}
.showdown-row.winner { border-left: 3px solid var(--gold); }
.showdown-row .player { color: var(--text); font-weight: 500; }
.showdown-row .hand { color: var(--text-dim); font-style: italic; font-size: 12px; }

.recap-callouts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.callout {
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  text-align: left;
  background: var(--panel-2);
}
.callout.good { border-left: 2px solid var(--good); }
.callout.bad { border-left: 2px solid var(--danger); }

.recap-next {
  background: var(--accent);
  color: #0b0d12;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: var(--shadow-md);
}
.recap-next:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 860px) {
  main { grid-template-columns: 1fr; height: auto; }
  body { overflow: auto; }
  .side-panel { padding: 12px; max-height: none; }
  .topbar { grid-template-columns: 1fr; gap: 12px; padding: 12px; }
  .session-strip { gap: 14px; }
}

/* Compact mode for iframe embeds and smaller viewports */
@media (max-height: 800px) {
  .topbar {
    padding: 6px 16px;
    gap: 10px;
  }
  .stage-hud { padding: 3px 8px; }
  .stage-axes { display: none; }
  .skill-block { gap: 6px; }
  .skill-ring { width: 40px; height: 40px; }
  .skill-ring svg { width: 40px; height: 40px; }
  .streak-chip { padding: 4px 8px; }
  main { height: calc(100vh - 52px); }
  .table-zone { padding: 8px 12px 6px; }
  #table { max-width: 900px; }
  .coach-card { max-height: 60vh; }
}

@media (max-height: 600px) {
  .topbar { display: none; }
  main { height: 100vh; }
}

/* =============================================================
   IFRAME EMBED MODE
   JS (engine-ws.js) adds 'in-iframe' to <html> via window.self !== window.top.
   Topbar always hidden. Two-column only when the iframe is wide enough.
   ============================================================= */

/* Always: hide the topbar — saves ~75px in both desktop and mobile embeds */
html.in-iframe .topbar { display: none !important; }

/* ── WIDE iframe: ≥ 640px — force two-column, no scroll ── */
@media (min-width: 640px) {
  html.in-iframe body { overflow: hidden; }
  html.in-iframe main {
    height: 100vh !important;
    grid-template-columns: minmax(0, 1fr) 320px !important;
  }
  html.in-iframe .table-zone { padding: 4px 12px 4px !important; }
  /* Compact action bar — keyboard hints useless in embed, big buttons waste height */
  html.in-iframe .action-bar {
    margin-top: 6px !important;
    padding: 8px 12px !important;
  }
  html.in-iframe .action-meta {
    padding-bottom: 6px !important;
    margin-bottom: 6px !important;
  }
  html.in-iframe .action-buttons {
    gap: 6px !important;
    margin-bottom: 0 !important;
  }
  html.in-iframe .act {
    min-height: 44px !important;
    padding: 6px 6px !important;
  }
  html.in-iframe .action-hint { display: none !important; }
  html.in-iframe .side-panel {
    height: 100%;
    padding: 8px 10px 6px 4px !important;
    overflow: hidden !important;
    gap: 6px !important;
  }
  /* Coach card: auto-height, capped so tabs always get space */
  html.in-iframe .coach-card {
    flex: 0 1 auto !important;
    max-height: 44vh !important;
    overflow-y: auto;
  }
  /* Tabs card: fill remaining side-panel height */
  html.in-iframe .tabs-card {
    flex: 1 1 0 !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
  }
  html.in-iframe .tier-card { flex: 0 0 auto; padding: 6px 10px !important; }
}

/* ── NARROW iframe: < 640px (mobile) — single column, scrollable ── */
@media (max-width: 639px) {
  html.in-iframe body { overflow: auto; }
  html.in-iframe main {
    height: auto !important;
    grid-template-columns: 1fr !important;
  }
  html.in-iframe .side-panel {
    padding: 8px !important;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
  }
}