:root{--bg:#07111f;--bg2:#12223a;--card:#101e33e8;--line:#2c415f;--text:#eef6ff;--muted:#a9b8cc;--gold:#facc15;--orange:#fb923c;--blue:#60a5fa;--green:#34d399;--red:#fb7185}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 8% 0%,rgba(250,204,21,.16),transparent 28%),radial-gradient(circle at 90% 10%,rgba(96,165,250,.20),transparent 30%),linear-gradient(135deg,var(--bg),var(--bg2));color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}.topbar{display:flex;align-items:center;gap:18px;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;background:rgba(7,17,31,.82);backdrop-filter:blur(14px);z-index:5}.home,.nav,button,.fileBtn{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);color:var(--text);padding:10px 14px;font-weight:900;text-decoration:none;cursor:pointer}.nav.active,.primary{background:linear-gradient(135deg,var(--gold),var(--orange));color:#111827;border:0}.brand{display:flex;align-items:center;gap:14px}.logo{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#facc15,#fb923c);font-size:28px}h1,h2,h3{margin:0 0 10px;letter-spacing:-.03em}h1{font-size:30px}.brand p,.card p,.mini{color:var(--muted);line-height:1.5;margin:0}.wrap{max-width:1180px;margin:auto;padding:24px}.card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.22);margin-bottom:16px}.hero{display:grid;gap:18px}.badge{display:inline-flex;width:max-content;padding:8px 11px;border-radius:999px;background:rgba(250,204,21,.12);border:1px solid rgba(250,204,21,.24);color:#fde68a;text-transform:uppercase;font-size:12px;font-weight:1000;letter-spacing:.08em}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:grid;gap:8px;font-weight:800;color:#dce8f8}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:16px;background:#071423;color:var(--text);padding:12px 13px;font:inherit}textarea{min-height:88px;resize:vertical}.actions{display:flex;gap:10px;flex-wrap:wrap}.hidden{display:none!important}.line{display:flex;align-items:center;justify-content:space-between;gap:12px}.smallactions button{padding:8px 12px}.question h2{font-size:26px;line-height:1.2}.qmeta{color:#fde68a;font-weight:900;margin-bottom:12px}.qimage{max-width:100%;max-height:420px;object-fit:contain;display:block;margin:14px auto;border-radius:18px;border:1px solid var(--line);background:#06101d}.option{width:100%;text-align:left;margin:8px 0;border-radius:18px;padding:14px 16px;background:rgba(96,165,250,.08)}.option.correct{border-color:rgba(52,211,153,.75);background:rgba(52,211,153,.16)}.option.wrong{border-color:rgba(251,113,133,.75);background:rgba(251,113,133,.16)}.feedback{margin-top:16px;border-radius:20px;padding:16px;background:rgba(255,255,255,.06);border:1px solid var(--line)}.ok{color:#86efac}.bad,.danger{color:#fecdd3}.danger{border-color:rgba(251,113,133,.45);background:rgba(251,113,133,.12)}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.tab.active{background:rgba(96,165,250,.18);border-color:rgba(96,165,250,.45)}.tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.fileBtn input{display:none}.tip{font-size:14px;color:var(--muted)}.adminHead{display:flex;justify-content:space-between;gap:14px;align-items:center}.narrow{max-width:560px}.qedit{display:grid;gap:12px}.qeditHead{display:flex;justify-content:space-between;gap:10px;align-items:center}.optgrid{display:grid;grid-template-columns:90px 1fr;gap:8px}.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:grid;place-items:center;padding:20px;z-index:10}.modalCard{background:#0b1728;border:1px solid var(--line);border-radius:28px;max-width:820px;width:100%;max-height:88vh;overflow:auto;padding:22px}.modalHead{display:flex;justify-content:space-between;align-items:center;gap:10px}.statGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:12px 0}.stat{border:1px solid var(--line);border-radius:18px;padding:14px;background:rgba(255,255,255,.05)}.stat b{font-size:26px;display:block}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.msg{min-height:24px;color:#fde68a}.mini{font-size:13px}@media(max-width:760px){.topbar{position:static;align-items:flex-start;flex-direction:column}.grid2{grid-template-columns:1fr}.line,.adminHead{align-items:flex-start;flex-direction:column}.wrap{padding:14px}}

.imageWrap{margin:14px auto;text-align:center}.imgError{border:1px solid rgba(251,113,133,.55);background:rgba(251,113,133,.12);color:#fecdd3;border-radius:16px;padding:14px;margin:12px 0}.adminPreview{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:16px;padding:10px;overflow:hidden}.adminPreview img{width:110px;max-height:90px;object-fit:contain;border-radius:10px;background:#071423}.adminPreview.empty{color:var(--muted)}.uploadBtn{width:max-content}

.backupRow{display:flex;flex-direction:column;gap:3px;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px;margin:8px 0;background:rgba(255,255,255,.04)}.backupRow span{color:#9fb0c8;font-size:12px}