:root{--brand:#0ea47a;--dark:#0f172a;--line:#e2e8f0;--bg:#f3f6fb;--text:#0f172a;--muted:#64748b;--red:#ef4444}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:#0b1220;color:#dbeafe;padding:22px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-size:29px;font-weight:900;color:#fff;margin:8px 0 26px}.nav a{display:flex;align-items:center;justify-content:space-between;color:#e2e8f0;padding:13px 14px;border-radius:13px;font-weight:700;margin-bottom:6px}.nav a:hover,.nav a.active{background:#17233a}.main{padding:26px;overflow:auto}.top{background:#fff;border-radius:22px;padding:20px 24px;box-shadow:0 12px 35px #0f172a0d;margin-bottom:22px;display:flex;justify-content:space-between;align-items:center}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 35px #0f172a0b;margin-bottom:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.stat b{font-size:32px;display:block}.stat span{color:var(--muted)}.btn{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:11px 15px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.btn.red{background:var(--red)}.btn.gray{background:#64748b}.btn.light{background:#ecfdf5;color:#047857;border:1px solid #bbf7d0}table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:#f8fafc;color:#334155}.actions{display:flex;gap:8px;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.field label{font-weight:800;display:block;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;border:1px solid #dbe3ef;border-radius:12px;padding:12px;font:inherit}.field textarea{min-height:120px}.alert{border-radius:14px;padding:13px 15px;margin-bottom:16px}.ok{background:#dcfce7;border:1px solid #86efac}.err{background:#fee2e2;border:1px solid #fca5a5}.thumb-small{width:120px;height:72px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}.badge{font-size:12px;border-radius:999px;padding:5px 8px;background:#e0f2fe;color:#0369a1;font-weight:800}.badge.green{background:#dcfce7;color:#047857}.badge.red{background:#fee2e2;color:#b91c1c}.badge.gray{background:#f1f5f9;color:#475569}.login{max-width:420px;margin:80px auto;background:#fff;border-radius:22px;padding:28px;box-shadow:0 20px 60px #0f172a18}.login h1{margin-top:0}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.stats,.grid2,.grid3{grid-template-columns:1fr}.main{padding:14px}.top{display:block}}