:root{--bg: #fbf7ef;--surface: #ffffff;--surface-2: #f3ece0;--text: #2b2420;--muted: #6f655c;--border: #e3d8c7;--accent: #c8102e;--accent-text: #ffffff;--ok: #2e7d32;--ok-bg: #e7f4e8;--bad: #b3261e;--bad-bg: #fbe9e7;--gold: #d4a017;--felt: #1f6b4a;--felt-text: #f4f1e8;--card-face: #fffdf8;--card-edge: #cbbfa9;--oros: #c9930a;--copas: #c8102e;--espadas: #2f5fa7;--bastos: #6b4423;--pieza: #f2b705;--radius: 14px;--shadow: 0 2px 8px rgb(0 0 0 / .08);color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.45}@media(prefers-color-scheme:dark){:root{--bg: #171412;--surface: #221e1b;--surface-2: #2c2723;--text: #f1ebe3;--muted: #b3a89c;--border: #3d3630;--ok-bg: #1d3320;--bad-bg: #3a1d1b;--felt: #164a35;--card-face: #fbf6ec;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{font:inherit;cursor:pointer}a{color:inherit}.shell{min-height:100dvh;display:flex;flex-direction:column}.topbar{padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface)}.brand{font-weight:800;text-decoration:none;font-size:1.1rem}.content{width:100%;max-width:720px;margin:0 auto;padding:16px;flex:1}.btn{border:0;border-radius:999px;padding:12px 20px;min-height:44px;background:var(--accent);color:var(--accent-text);font-weight:700}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn.block{width:100%}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.muted{color:var(--muted)}.error{color:var(--bad)}.stats{display:flex;gap:16px;font-weight:700}.maestro{display:flex;gap:12px;align-items:flex-start}.maestro-avatar{width:48px;height:48px;flex:none;border-radius:50%;background:var(--card-face);border:2px solid var(--card-edge);object-fit:cover}.brand-logo{border-radius:7px;vertical-align:middle}.maestro-bubble{background:var(--surface-2);border-radius:var(--radius);padding:10px 14px}.unit{border-left:4px solid var(--accent);padding-left:12px}.lesson-link{display:flex;justify-content:space-between;align-items:center;padding:12px;border-radius:10px;background:var(--surface-2);text-decoration:none;min-height:44px}.lesson-link[aria-disabled=true]{opacity:.5;pointer-events:none}.progress{height:10px;background:var(--surface-2);border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--ok);transition:width .3s}.options{display:grid;gap:10px}.option{border:2px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:12px;min-height:48px;text-align:left;display:flex;gap:12px;align-items:center}.option[aria-pressed=true]{border-color:var(--espadas);background:var(--surface-2)}.option.correct{border-color:var(--ok);background:var(--ok-bg)}.option.wrong{border-color:var(--bad);background:var(--bad-bg)}.feedback{border-radius:var(--radius);padding:12px 16px}.feedback.ok{background:var(--ok-bg)}.feedback.bad{background:var(--bad-bg)}.cards{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.card-btn{background:none;border:0;padding:0;border-radius:10px}.card-btn:disabled{cursor:default}.card-btn:focus-visible{outline:3px solid var(--espadas);outline-offset:2px}.table-felt{background:var(--felt);color:var(--felt-text);border-radius:var(--radius);padding:12px}.tricks{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}.trick{display:flex;flex-direction:column;align-items:center;gap:4px;min-height:120px;justify-content:space-between}.trick-label{font-size:.75rem;opacity:.85}.trick-label.won{opacity:1;font-weight:800;color:var(--pieza)}.trick-slot{min-height:92px;display:flex;align-items:center;justify-content:center}.deal-in{opacity:0;position:relative;z-index:2;line-height:0}.trick-slot>*{position:relative;z-index:1}.deck{position:relative;line-height:0}.deck:before,.deck:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:6px;background:var(--accent);border:1px solid var(--card-edge)}.deck:before{transform:translate(3px,3px);z-index:-1}.deck:after{transform:translate(6px,6px);z-index:-2}.table-felt{perspective:600px;isolation:isolate}.table-felt[aria-busy=true]{cursor:pointer}.scoreboard{display:flex;justify-content:space-between;font-weight:800}.say{background:var(--surface);color:var(--text);border-radius:12px;padding:8px 12px;font-weight:700}.say.win{border:2px solid var(--pieza);text-align:center;font-size:1.15rem}.actions{display:flex;flex-wrap:wrap;gap:8px}.log{max-height:140px;overflow:auto;font-size:.9rem}.toast{position:fixed;z-index:50;left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));max-width:520px;margin:0 auto;padding:14px 16px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius);box-shadow:0 6px 24px #00000040;animation:toast-in .25s ease-out}.toast-text{margin:0 0 10px}.toast-actions{display:flex;gap:8px;flex-wrap:wrap}@keyframes toast-in{0%{transform:translateY(12px);opacity:0}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
