:root{
  --bg:#0f1419; --panel:#171e26; --panel2:#1f2935; --line:#2a3441;
  --ink:#e8edf2; --muted:#8a97a6; --brand:#3b82f6; --brand2:#2563eb;
  --good:#22c55e; --warn:#f59e0b; --bad:#ef4444; --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
.topbar{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:#0c1116;position:sticky;top:0;z-index:5}
.brand{font-weight:800;letter-spacing:.5px}
.brand span{color:var(--brand);font-weight:600}
.who{margin-left:auto;color:var(--muted);font-size:14px}
main{max-width:880px;margin:0 auto;padding:22px 16px 60px}

.hero{text-align:center;padding:30px 10px}
.hero h1{font-size:34px;margin:.2em 0}
.sub{color:var(--muted);margin-top:0}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;color:var(--ink);cursor:pointer;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;transition:.15s}
.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card .emoji{font-size:34px}
.card small{color:var(--muted)}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.panel.narrow{max-width:380px;margin:30px auto}
h2{margin-top:0}
label{display:block;margin:12px 0;font-size:13px;color:var(--muted)}
input,select,textarea{width:100%;margin-top:6px;padding:11px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--ink);font-size:15px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand)}
button{font-family:inherit}
.primary{background:var(--brand);border:none;color:#fff;padding:12px 20px;border-radius:10px;font-weight:600;cursor:pointer;width:100%;margin-top:8px}
.primary:hover{background:var(--brand2)}
.ghost{background:transparent;border:1px solid var(--line);color:var(--muted);padding:7px 12px;border-radius:9px;cursor:pointer}
.back{background:none;border:none;color:var(--muted);cursor:pointer;padding:0;margin-bottom:8px}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.span2{grid-column:1/3}
.muted{color:var(--muted)}

.filters,.tabbar{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 16px}
.chip,.tab{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:7px 13px;border-radius:999px;cursor:pointer;font-size:13px}
.chip.active,.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.tab{border-radius:9px}

.tasklist{display:flex;flex-direction:column;gap:12px}
.task{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px}
.task h4{margin:0 0 4px}
.task .meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted);margin:6px 0}
.badge{padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}
.b-open{background:#33415588;color:#cbd5e1}
.b-submitted{background:#78350f;color:#fde68a}
.b-rated{background:#14532d;color:#bbf7d0}
.b-overdue{background:#7f1d1d;color:#fecaca}
.score{font-weight:700}
.score.good{color:var(--good)} .score.warn{color:var(--warn)} .score.bad{color:var(--bad)}
.task .row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;align-items:flex-end}
.task .row label{margin:0;flex:1;min-width:120px}
.task .row .primary,.task .row .ghost{width:auto;margin:0}
.adminbox label{display:flex;justify-content:space-between;align-items:center;gap:12px}
.adminbox input,.adminbox select{max-width:160px}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#0c1116;border:1px solid var(--line);padding:12px 18px;border-radius:10px;z-index:20;max-width:90%}
.toast.err{border-color:var(--bad)}
@media(max-width:600px){.cards,.grid2{grid-template-columns:1fr}.span2{grid-column:1}}