:root{font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:#e7eef8;background:#07111f;--card:#101f32;--line:#263a52;--teal:#14b8a6;--muted:#91a4b9}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 90% 0,#12374a 0,transparent 35%),#07111f}main{max-width:1100px;margin:auto;padding:20px}.card,header{background:rgba(16,31,50,.92);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 18px 45px #0003}.card{max-width:440px;margin:12vh auto;text-align:center}.brand{letter-spacing:.15em;font-weight:800;color:#fff}input,button{font:inherit;border-radius:10px;padding:12px;border:1px solid var(--line)}input{display:block;width:100%;margin:10px 0;background:#091827;color:#fff}button{background:var(--teal);color:#031719;border:0;font-weight:700;cursor:pointer}small{color:#fca5a5}header{display:flex;justify-content:space-between;align-items:center}header span:last-child{color:var(--muted);font-size:.8rem;margin-left:14px}.quiet{background:transparent;color:var(--muted);border:1px solid var(--line)}nav{display:flex;gap:8px;overflow:auto;padding:16px 0}nav button{white-space:nowrap;background:#112a3a;color:#d8f7f2}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.stat,.task{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.stat b{display:block;color:var(--teal);font-size:1.25rem;margin-top:7px}.muted{color:var(--muted)}.ok{color:#5ee0ae}textarea{width:100%;min-height:110px;background:#091827;color:#fff;border:1px solid var(--line);border-radius:10px;padding:12px}h1,h2{margin-top:0}@media(max-width:600px){main{padding:12px}.card{margin:7vh auto;padding:18px}header{padding:16px;position:sticky;top:8px;z-index:2}.grid{grid-template-columns:1fr 1fr}}