:root{--bg: #0f0f10;--text: #f5f5f7;--hint: #8e8e93;--link: #4aa3ff;--accent: #4aa3ff;--accent-text: #ffffff;--surface: #18181b;--border: rgba(255, 255, 255, .08);--danger: #ff5a5f;--success: #34c759}@media (prefers-color-scheme: light){:root{--bg: #ffffff;--text: #0b0b0c;--hint: #6b6b70;--surface: #f1f1f3;--border: rgba(0, 0, 0, .08)}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro,Inter,Roboto,system-ui,sans-serif;font-size:15px;line-height:1.4;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:contain}button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer}input,select,textarea{font-family:inherit;color:inherit;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:15px;width:100%}.app{display:flex;flex-direction:column;min-height:100vh;padding:16px 16px 88px;max-width:640px;margin:0 auto}.h1{font-size:22px;font-weight:700;margin:4px 0 12px}.h2{font-size:17px;font-weight:600;margin:16px 0 8px}.hint{color:var(--hint);font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;margin-bottom:10px}.row{display:flex;gap:8px;align-items:center}.row.between{justify-content:space-between}.row.wrap{flex-wrap:wrap}.btn{background:var(--accent);color:var(--accent-text);padding:12px 14px;border-radius:12px;font-weight:600;text-align:center;width:100%;transition:transform .05s ease}.btn:active{transform:scale(.98)}.btn[disabled]{opacity:.6}.btn.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.tabbar{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(6,1fr);background:var(--bg);border-top:1px solid var(--border);padding:8px 8px calc(8px + env(safe-area-inset-bottom))}.tabbar a{text-decoration:none;color:var(--hint);text-align:center;font-size:11px;padding:6px 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:10px}.tabbar a.active{color:var(--text);background:var(--surface)}.bubble{padding:10px 12px;border-radius:14px;max-width:85%;white-space:pre-wrap;word-wrap:break-word}.bubble.user{background:var(--accent);color:var(--accent-text);align-self:flex-end}.bubble.assistant{background:var(--surface);color:var(--text);align-self:flex-start}.chat{display:flex;flex-direction:column;gap:8px;flex:1}.chat-input{position:sticky;bottom:88px;background:var(--bg);padding:8px 0;display:flex;gap:8px}.label{font-size:12px;color:var(--hint);margin-bottom:4px;display:block}.muscle-chip{display:inline-block;padding:2px 8px;font-size:12px;border-radius:999px;background:var(--surface);color:var(--hint);border:1px solid var(--border)}.timer-big{font-variant-numeric:tabular-nums;font-size:44px;font-weight:700;text-align:center}.issue{font-size:14px;padding:6px 0 6px 10px;border-left:3px solid;margin-bottom:6px}.issue.error{border-color:var(--danger)}.issue.warning{border-color:#f5a524}.check{display:flex;gap:10px;align-items:flex-start;cursor:pointer}.check input{width:20px;height:20px;margin:1px 0 0;flex:none;accent-color:var(--accent)}table.mini{width:100%;border-collapse:collapse;margin-top:4px;font-size:14px}table.mini td{padding:5px 0;border-bottom:1px solid var(--border);vertical-align:top}table.mini tr:last-child td{border-bottom:none}table.mini td.num{text-align:right;white-space:nowrap;padding-left:10px;font-variant-numeric:tabular-nums}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(70px,1fr));gap:10px;margin-top:10px}.stat{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.auth{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:6vh}.auth .card{width:100%;max-width:400px;text-align:left}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:4px;width:100%;max-width:400px;padding:4px;margin:12px 0;border-radius:12px;background:var(--surface);border:1px solid var(--border)}.segmented button{padding:9px;border-radius:9px;color:var(--hint);font-weight:600}.segmented button.active{background:var(--accent);color:var(--accent-text)}