:root{--bg: #0f1115;--surface: #171a21;--surface-2: #1f242e;--line: #2b323f;--text: #eef1f6;--muted: #98a2b3;--accent: #d4a24c;--accent-dim: #6b5426;--green: #4bb96a;--red: #e0564a;--radius: 14px;color-scheme:dark}@media (prefers-color-scheme: light){:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #eef0f4;--line: #d8dce4;--text: #12151b;--muted: #5d6675;--accent: #9a6b12;--accent-dim: #e8d7ae;color-scheme:light}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:contain}.app{max-width:520px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}header.top{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}header.top h1{font-size:18px;margin:0;flex:1;letter-spacing:.02em}main{flex:1;padding:16px}nav.tabs{display:flex;border-top:1px solid var(--line);background:var(--surface);position:sticky;bottom:0}nav.tabs button{flex:1;background:none;border:none;color:var(--muted);padding:14px 4px calc(14px + env(safe-area-inset-bottom));font-size:13px;font-weight:600}nav.tabs button[aria-current=true]{color:var(--accent)}button{font:inherit;color:inherit;cursor:pointer;border-radius:12px}.btn{min-height:52px;padding:0 18px;border:1px solid var(--line);background:var(--surface-2);font-weight:600}.btn:active{transform:scale(.98)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#16130c}.btn.ghost{background:transparent}.btn.danger{color:var(--red)}.btn.block{width:100%}.btn:disabled{opacity:.4}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:14px}.row{display:flex;gap:10px;align-items:center}.row.wrap{flex-wrap:wrap}.spread{justify-content:space-between}.grow{flex:1}.label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px;font-weight:700}.seg{display:flex;gap:8px}.seg button{flex:1;min-height:52px;border:1px solid var(--line);background:var(--surface-2);font-weight:600;color:var(--muted)}.seg button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-dim);color:var(--text)}.suits{display:flex;gap:8px}.suits button{flex:1;min-height:60px;font-size:28px;border:1px solid var(--line);background:var(--surface-2)}.suits button.red{color:#e8695c}.suits button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-dim)}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.keypad button{min-height:58px;font-size:22px;font-weight:600;border:1px solid var(--line);background:var(--surface-2)}.bignum{font-size:40px;font-weight:700;font-variant-numeric:tabular-nums;text-align:center;padding:6px 0 10px}.bignum small{display:block;font-size:13px;font-weight:500;color:var(--muted)}.stepper{display:flex;align-items:center;gap:12px}.stepper button{width:56px;height:56px;font-size:26px;border:1px solid var(--line);background:var(--surface-2)}.stepper .value{flex:1;text-align:center;font-size:34px;font-weight:700;font-variant-numeric:tabular-nums}table.sheet{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}table.sheet th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:8px 6px;border-bottom:1px solid var(--line)}table.sheet td{padding:10px 6px;border-bottom:1px solid var(--line);text-align:center}table.sheet td.idx{color:var(--muted);font-size:13px;width:34px}table.sheet tr[data-clickable=true]{cursor:pointer}table.sheet tfoot td{font-weight:700;font-size:20px;border-bottom:none}.scoreboard{display:flex;gap:12px}.scoreboard .side{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;text-align:center}.scoreboard .side.leading{border-color:var(--accent)}.scoreboard .side .n{font-size:38px;font-weight:700;font-variant-numeric:tabular-nums}.scoreboard .side .who{font-size:13px;color:var(--muted);font-weight:600}.chip{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);color:var(--muted);font-size:14px;font-weight:600}.chip[aria-pressed=true]{border-color:var(--accent);background:var(--accent-dim);color:var(--text)}.chip .count{color:var(--accent)}.sheetmodal{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg);z-index:20;overflow-y:auto;display:flex;flex-direction:column}.sheetmodal .inner{max-width:520px;margin:0 auto;width:100%;padding:16px;flex:1}.sticky-actions{position:sticky;bottom:0;background:linear-gradient(to top,var(--bg) 70%,transparent);padding:12px 16px calc(12px + env(safe-area-inset-bottom));display:flex;gap:10px;max-width:520px;margin:0 auto;width:100%}.preview{border:1px solid var(--accent)}.preview .verdict{font-weight:700}.preview .verdict.ok{color:var(--green)}.preview .verdict.bad{color:var(--red)}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-variant-numeric:tabular-nums}.center{text-align:center}input[type=text]{width:100%;min-height:52px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);color:var(--text);font:inherit}.switch{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px}.switch input{width:26px;height:26px;accent-color:var(--accent)}.statgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.statgrid .cell{background:var(--surface-2);border-radius:12px;padding:10px}.statgrid .cell .n{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}.statgrid .cell .k{font-size:12px;color:var(--muted);font-weight:600}