/* App shell styles */
:root {
  --bg: #0d1117;
  --bg-elev: #161b22;
  --bg-elev-2: #21262d;
  --fg: #e6edf3;
  --fg-dim: #8b949e;
  --accent: #58a6ff;
  --accent-2: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --felt: #1a4d2e;
  --felt-rim: #0a2517;
  --card-bg: #f0f6fc;
  --card-fg: #0d1117;
  --card-red: #f85149;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}
.app-header {
  display: flex; align-items: center;
  padding: 10px 16px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--bg-elev-2);
  position: sticky; top: 0; z-index: 10;
}
.app-title { margin: 0 16px 0 0; font-size: 16px; font-weight: 600; color: var(--accent); }
.app-nav { display: flex; gap: 6px; }
.app-nav button {
  background: transparent; color: var(--fg-dim); border: 1px solid transparent;
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.app-nav button:hover { background: var(--bg-elev-2); color: var(--fg); }
.app-nav button.active { background: var(--bg-elev-2); color: var(--accent); border-color: var(--accent); }
.route-container { padding: 16px; min-height: calc(100vh - 90px); }
.app-footer {
  padding: 8px 16px; background: var(--bg-elev); border-top: 1px solid var(--bg-elev-2);
  font-size: 11px; color: var(--fg-dim);
}
.footer-sep { margin: 0 8px; }

/* Home screen */
.home-hero { max-width: 720px; margin: 40px auto; }
.home-hero h2 { font-size: 28px; margin-bottom: 8px; }
.home-hero p { color: var(--fg-dim); line-height: 1.6; }
.home-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 24px; }
.home-card {
  background: var(--bg-elev); padding: 20px; border-radius: 8px;
  border: 1px solid var(--bg-elev-2); cursor: pointer; transition: border-color 0.15s;
}
.home-card:hover { border-color: var(--accent); }
.home-card h3 { margin: 0 0 8px; color: var(--accent); }
.home-card p { color: var(--fg-dim); font-size: 12px; line-height: 1.5; margin: 0; }

/* Walkthrough */
.wt-layout { display: grid; grid-template-columns: 280px 1fr; gap: 16px; }
.wt-index { background: var(--bg-elev); border-radius: 8px; padding: 8px; max-height: 80vh; overflow-y: auto; }
.wt-index-item {
  padding: 8px 10px; border-radius: 6px; cursor: pointer; font-size: 12px;
  border-left: 3px solid transparent;
}
.wt-index-item:hover { background: var(--bg-elev-2); }
.wt-index-item.active { background: var(--bg-elev-2); border-left-color: var(--accent); }
.wt-index-item .wt-tag { color: var(--fg-dim); font-size: 11px; }
.wt-detail { background: var(--bg-elev); border-radius: 8px; padding: 20px; }
.wt-spot { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.wt-spot-card { background: var(--bg-elev-2); padding: 12px; border-radius: 6px; }
.wt-spot-card h4 { margin: 0 0 8px; font-size: 12px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.cards-row { display: flex; gap: 6px; }
.card {
  width: 36px; height: 50px; background: var(--card-bg); color: var(--card-fg);
  border-radius: 4px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-weight: 700; box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.card.red { color: var(--card-red); }
.card .rank { font-size: 16px; line-height: 1; }
.card .suit { font-size: 14px; line-height: 1; }
.action-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.action-btn {
  background: var(--bg-elev-2); color: var(--fg); border: 1px solid var(--bg-elev-2);
  padding: 10px 18px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 500;
}
.action-btn:hover { border-color: var(--accent); }
.action-btn.fold { color: var(--err); }
.action-btn.call { color: var(--accent-2); }
.action-btn.raise { color: var(--warn); }
.action-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.sizing-row { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.sizing-row input { background: var(--bg); color: var(--fg); border: 1px solid var(--bg-elev-2); padding: 6px 10px; border-radius: 4px; width: 100px; }
.sizing-preset { padding: 4px 10px; background: var(--bg-elev-2); border-radius: 4px; cursor: pointer; font-size: 11px; }
.sizing-preset:hover { background: var(--accent); color: var(--bg); }

.reveal-panel { margin-top: 16px; padding: 16px; background: var(--bg-elev-2); border-radius: 6px; border-left: 3px solid var(--accent); }
.reveal-panel.hidden { display: none; }
.score-label { display: inline-block; padding: 4px 10px; border-radius: 4px; font-size: 12px; font-weight: 600; }
.score-label.match { background: var(--accent-2); color: var(--bg); }
.score-label.partial { background: var(--warn); color: var(--bg); }
.score-label.off-tree { background: var(--err); color: var(--fg); }
.gto-mix-bars { margin: 12px 0; }
.gto-mix-row { display: flex; align-items: center; gap: 8px; margin: 4px 0; font-size: 12px; }
.gto-mix-label { width: 80px; }
.gto-mix-bar { flex: 1; height: 16px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.gto-mix-fill { height: 100%; background: var(--accent); }
.gto-mix-pct { width: 50px; text-align: right; color: var(--fg-dim); }
.theory { line-height: 1.7; color: var(--fg); margin-top: 12px; }
.theory p { margin: 0 0 12px; }
.glossary-chips { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.glossary-chip {
  display: inline-block; padding: 3px 10px; background: var(--bg); color: var(--accent);
  border-radius: 12px; font-size: 11px; cursor: pointer; border: 1px solid var(--accent);
}
.glossary-chip:hover { background: var(--accent); color: var(--bg); }
.glossary-pop {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: var(--bg-elev); padding: 20px; border-radius: 8px; max-width: 500px;
  border: 1px solid var(--accent); z-index: 100; box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.glossary-pop h3 { margin: 0 0 8px; color: var(--accent); }
.glossary-pop .close-btn { position: absolute; top: 8px; right: 12px; cursor: pointer; color: var(--fg-dim); }
.glossary-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 99; }

/* Table */
.table-layout { max-width: 1100px; margin: 0 auto; }
.poker-table {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background: radial-gradient(ellipse at center, var(--felt) 0%, var(--felt-rim) 100%);
  border-radius: 50% / 30%;
  border: 8px solid var(--felt-rim);
  margin-bottom: 16px;
}
.seat {
  position: absolute; transform: translate(-50%, -50%);
  background: var(--bg-elev); padding: 6px 10px; border-radius: 6px;
  border: 2px solid var(--bg-elev-2); min-width: 110px; text-align: center;
  font-size: 11px;
}
.seat.hero { border-color: var(--accent); background: var(--bg-elev-2); }
.seat.acting { border-color: var(--warn); box-shadow: 0 0 12px var(--warn); }
.seat.folded { opacity: 0.4; }
.seat-label { font-weight: 600; color: var(--fg); }
.seat-archetype { color: var(--fg-dim); font-size: 10px; }
.seat-stack { color: var(--accent-2); font-weight: 600; margin-top: 2px; }
.seat-bet { color: var(--warn); font-size: 10px; margin-top: 2px; min-height: 12px; }
.seat-cards { display: flex; justify-content: center; gap: 2px; margin-top: 4px; }
.mini-card {
  width: 18px; height: 26px; background: var(--card-bg); color: var(--card-fg);
  border-radius: 2px; font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.mini-card.red { color: var(--card-red); }
.mini-card.back { background: linear-gradient(45deg, #1f6feb, #58a6ff); }

.board-area {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.pot-display {
  background: rgba(0,0,0,0.5); padding: 4px 12px; border-radius: 12px;
  font-size: 12px; color: var(--accent-2);
}
.board-cards { display: flex; gap: 4px; }
.archetype-tooltip {
  position: absolute; background: var(--bg-elev-2); padding: 12px;
  border-radius: 6px; max-width: 300px; font-size: 11px; line-height: 1.5;
  z-index: 50; border: 1px solid var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}
.archetype-tooltip h4 { margin: 0 0 6px; color: var(--accent); font-size: 12px; }

.action-panel { background: var(--bg-elev); padding: 12px; border-radius: 8px; }
.action-panel h4 { margin: 0 0 8px; font-size: 12px; color: var(--fg-dim); }
.hand-log {
  background: var(--bg-elev); padding: 12px; border-radius: 8px; margin-top: 12px;
  max-height: 200px; overflow-y: auto; font-size: 11px; font-family: monospace;
}
.log-entry { padding: 2px 0; color: var(--fg-dim); }
.log-entry.hero { color: var(--accent); }

/* Dashboard */
.dash-layout { max-width: 900px; margin: 0 auto; }
.dash-toggle { display: flex; gap: 4px; margin-bottom: 16px; }
.dash-toggle button {
  background: var(--bg-elev); color: var(--fg-dim); border: 1px solid var(--bg-elev-2);
  padding: 8px 16px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.dash-toggle button.active { background: var(--bg-elev-2); color: var(--accent); border-color: var(--accent); }
.dash-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.dash-card {
  background: var(--bg-elev); padding: 16px; border-radius: 8px;
  border: 1px solid var(--bg-elev-2);
}
.dash-card h4 { margin: 0 0 8px; font-size: 11px; color: var(--fg-dim); text-transform: uppercase; }
.dash-card .value { font-size: 24px; font-weight: 700; color: var(--accent); }
.dash-card .sub { font-size: 11px; color: var(--fg-dim); margin-top: 4px; }

/* Glossary */
.gloss-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gloss-card { background: var(--bg-elev); padding: 16px; border-radius: 8px; }
.gloss-card h3 { color: var(--accent); margin: 0 0 8px; font-size: 14px; }
.gloss-card .short { color: var(--fg); font-weight: 500; margin-bottom: 8px; }
.gloss-card .long { color: var(--fg-dim); font-size: 12px; line-height: 1.5; }