:root{color-scheme:dark;--bg: #0e1117;--panel: #161b26;--text: #e6e8ee;--muted: #8b91a0;--accent: #2f6fed;--green: #1f9d55;--red: #d64545;--amber: #b98a1c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}.app{max-width:640px;margin:0 auto;padding:10px 10px calc(24px + env(safe-area-inset-bottom))}header{display:flex;align-items:center;gap:10px;margin-bottom:12px}h1{font-size:1.1rem;margin:0}.hamburger{background:var(--panel);color:var(--text);border:1px solid #232a3a;border-radius:8px;width:38px;height:38px;font-size:1.1rem;line-height:1;cursor:pointer;flex-shrink:0}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;opacity:0;pointer-events:none;transition:opacity .15s ease;z-index:20}.drawer-backdrop.open{opacity:1;pointer-events:auto}.drawer{position:fixed;top:0;bottom:0;left:0;width:min(280px,82vw);background:var(--panel);border-right:1px solid #232a3a;padding:calc(16px + env(safe-area-inset-top)) 10px 16px;display:flex;flex-direction:column;gap:4px;transform:translate(-100%);transition:transform .18s ease;z-index:21}.drawer.open{transform:translate(0)}.drawer-title{font-weight:700;padding:6px 10px 14px}.drawer-item{display:flex;align-items:center;gap:12px;background:transparent;border:0;border-radius:10px;padding:10px;text-align:left;color:var(--text);cursor:pointer}.drawer-item.active{background:#1e2740}.drawer-icon{font-size:1.2rem;width:24px;text-align:center;flex-shrink:0}.drawer-text{display:flex;flex-direction:column}.drawer-label{font-weight:600;font-size:.95rem}.drawer-hint{font-size:.76rem;color:var(--muted)}.segmented{display:flex;gap:6px;margin-bottom:12px}.segmented button{flex:1;background:var(--panel);color:var(--muted);border:1px solid #232a3a;border-radius:8px;padding:9px 0;font-size:.88rem;font-weight:600;cursor:pointer}.segmented button.active{background:var(--accent);border-color:var(--accent);color:#fff}.segmented.style-picker{margin-top:-6px}.segmented.style-picker button{padding:5px 0;font-size:.78rem;border-radius:6px}.segmented.style-picker button.active{background:#233250;border-color:#3b5580;color:var(--text)}.segmented button:disabled{opacity:.35;cursor:not-allowed}.segmented.seat-picker{gap:4px}.segmented.seat-picker button{padding:7px 0;font-size:.76rem;font-weight:700;border-radius:6px}.segmented.mode-toggle button{font-size:.82rem}.mode-hint{margin:-4px 0 10px;text-align:center}.drill-situation-tag{text-align:center;text-transform:uppercase;letter-spacing:.04em;margin:0 0 2px}.section-title{font-size:.95rem;margin:16px 0 8px}.repeat-tag{display:inline-block;margin-left:6px;background:#3a2b10;color:#f0b429;border-radius:5px;padding:1px 6px;font-size:.68rem;font-weight:700;text-transform:uppercase;vertical-align:1px}.config-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;background:var(--panel);color:var(--text);border:1px solid #232a3a;border-radius:8px;padding:10px 14px;font-size:.85rem;font-weight:600;cursor:pointer;margin-bottom:12px}.config-toggle:disabled{opacity:.45;cursor:default}.config-summary{color:var(--muted);font-weight:500}.config-chevron{color:var(--muted);font-size:.7rem;margin-left:8px}.config-panel{background:#11151f;border:1px solid #232a3a;border-radius:10px;padding:10px 10px 0;margin-bottom:12px}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 2px 12px;font-size:.85rem;border-top:1px solid #232a3a;margin-top:4px}.switch-hint{display:block}.switch{position:relative;width:42px;height:24px;flex-shrink:0;border-radius:12px;background:#2a2f3d;border:1px solid #232a3a;cursor:pointer;padding:0}.switch.on{background:var(--accent);border-color:var(--accent)}.switch:disabled{opacity:.45;cursor:default}.switch-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s ease}.switch.on .switch-knob{transform:translate(18px)}.prompt{display:flex;align-items:center;gap:10px;margin-bottom:10px}.position-badge{flex-shrink:0;background:var(--accent);color:#fff;font-weight:700;border-radius:8px;padding:8px 10px;font-size:.95rem}.table-diagram{display:block;width:100%;max-width:320px;margin:0 auto 10px}.grid{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));gap:2px}.cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:3px;font-size:clamp(.42rem,2.2vw,.72rem);font-weight:600;font-family:inherit;color:var(--muted);background:#1a2030;cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:manipulation}.cell.pair{background:#242c40;color:#aab2c4}.cell.offsuit{background:#151a26}.cell.raise{background:#d97a1f;color:#fff}.cell.call{background:var(--accent);color:#fff}.cell.wrong{background:#8b5cf6;color:#fff}.cell.correct{background:var(--green);color:#fff}.cell.extra{background:var(--red);color:#fff}.cell.missed{background:var(--amber);color:#fff7e0}.actionbar,.feedback{margin-top:12px;display:flex;flex-direction:column;gap:10px;align-items:center}.buttons{display:flex;gap:10px;width:100%}.btn{flex:1;min-height:46px;border:1px solid #232a3a;border-radius:10px;background:var(--panel);color:var(--text);font-size:1rem;font-weight:600;cursor:pointer}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn:disabled{opacity:.45;cursor:default}.accuracy{font-size:2.4rem;font-weight:800;line-height:1}.accuracy.good{color:#4ade80}.accuracy.ok{color:#facc15}.accuracy.bad{color:#f87171}.legend{display:flex;gap:14px;font-size:.8rem;color:var(--muted)}.legend .swatch{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px}.swatch.correct{background:var(--green)}.swatch.missed{background:var(--amber)}.swatch.extra{background:var(--red)}.swatch.wrong{background:#8b5cf6}.stats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.statcard{background:var(--panel);border:1px solid #232a3a;border-radius:10px;padding:12px}.statcard-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}.focus-tag{margin-left:auto;background:#3a2b10;color:#f0b429;border-radius:6px;padding:3px 8px;font-size:.72rem;font-weight:700;text-transform:uppercase}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{background:var(--panel);border:1px solid #232a3a;border-radius:8px;padding:6px 10px;font-size:.82rem;font-weight:700}.chip em{font-style:normal;font-weight:400;color:var(--muted)}.chip.missed{border-color:var(--amber)}.chip.extra{border-color:var(--red)}.chip.wrong{border-color:#8b5cf6}.drill-prompt{text-align:center;font-weight:600;margin:4px 0 10px}.hero-cards{display:flex;justify-content:center;gap:10px;margin:18px 0}.playing-card{width:84px;height:118px;background:#f4f1e8;border-radius:10px;box-shadow:0 4px 14px #00000059;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.playing-card .rank{font-size:1.9rem;font-weight:800;font-family:Georgia,Times New Roman,serif}.playing-card .suit{font-size:1.7rem;line-height:1}.playing-card.black{color:#171a20}.playing-card.red{color:#c22035}.drill-actions{display:flex;gap:10px;margin-top:8px}.drill-action{min-height:54px;font-size:1.05rem}.drill-action.fold{background:#2a2f3d}.drill-action.call{background:#1d3a63;border-color:#1d3a63;color:#fff}.drill-action.raise{background:#7a4413;border-color:#7a4413;color:#fff}.drill-action:disabled{opacity:1}.drill-action.reveal-correct{outline:3px solid var(--green);outline-offset:-3px}.drill-action.reveal-wrong{outline:3px solid var(--red);outline-offset:-3px}.drill-feedback{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:16px}.drill-verdict{font-size:1.15rem;font-weight:700}.drill-verdict.good{color:#4ade80}.drill-verdict.bad{color:#f87171}.drill-feedback .btn{width:100%}.session-score{text-align:center;margin-top:18px}.muted{color:var(--muted)}.small{font-size:.82rem}.error{color:#f87171;font-size:.85rem;overflow-wrap:anywhere}