:root{--bg: #12151a;--bg-2: #181c23;--card: #1c2128;--line: #2b3340;--ink: #efe7d6;--muted: #9a9284;--brass: #c9a36b;--brass-2: #e4c48a;--ok: #6fbf8a;--bad: #e07a5f;--empty: #8d8794;--warn: #e3b341;--shadow: 0 18px 40px rgba(0, 0, 0, .28);--radius: 18px}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;color:var(--ink);font-family:Manrope,Segoe UI,sans-serif;background:radial-gradient(900px 500px at 10% -10%,rgba(201,163,107,.08),transparent 50%),radial-gradient(700px 400px at 100% 0%,rgba(111,191,138,.05),transparent 45%),var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,.serif{font-family:Fraunces,Georgia,serif;font-weight:620;letter-spacing:-.02em}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.nav{padding:28px 20px;border-right:1px solid var(--line);background:#12151ab8;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;margin-bottom:36px}.mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(160deg,var(--brass-2),var(--brass));color:#1a140c;box-shadow:0 8px 18px #c9a36b40}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;color:var(--muted);margin-bottom:6px}.nav a.active,.nav a:hover{background:var(--card);color:var(--ink)}.nav-foot{margin-top:40px;padding-top:16px;border-top:1px solid var(--line)}.content{padding:32px 36px 80px;max-width:1180px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px}.page-head p{margin:8px 0 0;color:var(--muted)}.grid{display:grid;gap:16px}.grid.stats{grid-template-columns:repeat(4,1fr)}.grid.cards{grid-template-columns:repeat(2,1fr)}.grid.subjects{grid-template-columns:repeat(3,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h3{margin:0 0 6px}.card .big{font-family:Fraunces,serif;font-size:34px;margin:10px 0 0}.btn{border:0;border-radius:12px;padding:11px 16px;background:var(--brass);color:#1a140c;font-weight:700;cursor:pointer}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:#8b3d32;color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field span{color:var(--muted);font-size:13px}.field input,.field select,.field textarea{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:12px 13px;outline:none}.field textarea{min-height:90px;resize:vertical}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);font-size:14px}.table input,.table select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 8px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:700}.badge.ok{background:#6fbf8a29;color:var(--ok)}.badge.bad{background:#e07a5f29;color:var(--bad)}.badge.empty{background:#8d879429;color:var(--empty)}.badge.warn{background:#e3b34129;color:var(--warn)}.login{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(440px,100%)}.drop{border:1.5px dashed var(--line);border-radius:16px;padding:28px;text-align:center;background:#ffffff05}.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:14px}.thumbs img{width:100%;height:140px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}.err{background:#e07a5f1f;color:#f0b8aa;padding:10px 12px;border-radius:10px;margin-bottom:12px}.mobile-nav{display:none}@media(max-width:900px){.shell{grid-template-columns:1fr}.nav{display:none}.content{padding:22px 16px 96px}.grid.stats,.grid.cards,.grid.subjects{grid-template-columns:1fr}.page-head{flex-direction:column;align-items:flex-start}.mobile-nav{display:flex;position:fixed;left:0;right:0;bottom:0;background:#161a20;border-top:1px solid var(--line);justify-content:space-around;padding:10px 8px calc(10px + env(safe-area-inset-bottom));z-index:20}.mobile-nav a{color:var(--muted);font-size:11px;display:flex;flex-direction:column;align-items:center;gap:4px}.mobile-nav a.active{color:var(--brass-2)}}