:root{--bg:#0f172a;--panel:#111827;--text:#e5e7eb;--muted:#9ca3af;--accent:#38bdf8;--border:#334155;--dark:#020617}
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:linear-gradient(135deg,#020617,#111827);color:var(--text);padding:18px}.app{max-width:1180px;margin:auto}
header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;flex-wrap:wrap;margin-bottom:14px} h1{margin:0;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.04em} h2{margin:0 0 12px} h3{margin:0 0 6px}.muted{color:var(--muted);line-height:1.5}.small{font-size:.9rem}
.badge{display:inline-block;border:1px solid var(--border);border-radius:999px;padding:6px 10px;color:#bae6fd;background:rgba(56,189,248,.08);font-size:.9rem;margin:6px 6px 0 0}.card{background:rgba(17,24,39,.94);border:1px solid rgba(148,163,184,.18);border-radius:22px;padding:18px;margin:14px 0;box-shadow:0 18px 50px rgba(0,0,0,.25)}
.tabs{position:sticky;top:0;z-index:5;display:flex;gap:8px;flex-wrap:wrap;background:rgba(2,6,23,.84);backdrop-filter:blur(10px);padding:10px;border:1px solid rgba(148,163,184,.16);border-radius:18px;margin-bottom:14px}.tab-btn{background:#1f2937;color:var(--text);border:1px solid var(--border);padding:10px 12px;border-radius:999px}.tab-btn.active{background:var(--accent);color:#00111c;border-color:transparent}.tab{display:none}.tab.active{display:block}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.stat{background:#020617;border:1px solid var(--border);border-radius:16px;padding:14px}.stat b{display:block;font-size:1.35rem;margin-top:4px;color:white}
label{display:block;color:var(--muted);font-size:.88rem;margin-bottom:6px} input,select{width:100%;background:#020617;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:1rem} button{border:0;border-radius:12px;padding:11px 14px;background:var(--accent);color:#00111c;font-weight:800;cursor:pointer}.secondary{background:#1f2937;color:var(--text);border:1px solid var(--border)}.danger{background:#7f1d1d;color:#fee2e2}.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.field{min-width:190px;flex:1}
.exercise{background:rgba(2,6,23,.45);border:1px solid rgba(148,163,184,.14);border-radius:18px;padding:14px;margin-top:12px}.exercise-head{display:flex;justify-content:space-between;gap:10px;align-items:start}.sets{color:#bae6fd;font-weight:800}.note{color:var(--muted);font-size:.92rem;margin:4px 0 12px}.track{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end}.track button{height:42px}
table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.92rem}th,td{border-bottom:1px solid rgba(148,163,184,.14);padding:9px;text-align:left}th{color:#bae6fd}.table-wrap{overflow:auto}canvas{width:100%;height:280px;background:#020617;border:1px solid var(--border);border-radius:16px;margin-top:10px}.timer{font-size:2.7rem;font-weight:900}.footer{text-align:center;color:var(--muted);font-size:.85rem;margin:24px 0 8px}.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:14px}.quick-card{background:linear-gradient(135deg,rgba(56,189,248,.12),rgba(17,24,39,.94));border:1px solid rgba(56,189,248,.28)}
.home-timer{margin-top:18px;border-radius:24px;padding:24px;text-align:center;border:1px solid var(--border);transition:.25s ease}.home-timer.work{background:rgba(34,197,94,.16);border-color:rgba(34,197,94,.55)}.home-timer.rest{background:rgba(239,68,68,.16);border-color:rgba(239,68,68,.55)}.home-timer.round{background:rgba(245,158,11,.16);border-color:rgba(245,158,11,.55)}.home-timer.done{background:rgba(56,189,248,.16);border-color:rgba(56,189,248,.55)}#homePhase{font-size:1.15rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}#homeTime{font-size:clamp(4rem,16vw,8rem);font-weight:1000;line-height:1;margin:10px 0}#homeDetail{color:var(--muted);font-size:1.05rem}
#authScreen{max-width:480px;margin:60px auto}.hidden{display:none!important}.top-user{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
@media(max-width:760px){.hero{grid-template-columns:1fr}.tabs{position:static}.tab-btn{flex:1}.track{grid-template-columns:1fr 1fr}.track button{grid-column:1/-1}.card{padding:14px}body{padding:12px}}