:root{--blue:#0b63a8;--dark:#0f172a;--muted:#64748b;--line:#e5e7eb;--bg:#f4f7fb}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--dark)}
a{text-decoration:none}.admin-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.admin-side{background:#071827;color:#fff;padding:24px;position:sticky;top:0;height:100vh}.admin-brand{font-weight:900;font-size:20px;margin-bottom:24px}.admin-nav{display:flex;flex-direction:column;gap:8px}.admin-nav a{color:#dbeafe;padding:11px 13px;border-radius:8px;font-weight:700}.admin-nav a:hover,.admin-nav .active{background:rgba(255,255,255,.12);color:#fff}.admin-main{padding:26px}.admin-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}.admin-top h1{margin:0;font-size:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:8px;padding:10px 14px;font-weight:800;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-light{background:#fff;color:var(--dark);border:1px solid var(--line)}.btn-danger{background:#dc2626;color:#fff}.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:0 12px 30px rgba(15,23,42,.06)}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.stat h3{margin:0;font-size:30px}.stat p{margin:4px 0 0;color:var(--muted);font-weight:700}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.table th{font-size:13px;text-transform:uppercase;color:var(--muted);background:#f8fafc}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-weight:800;font-size:14px}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:8px;padding:11px;font:inherit}.field textarea{min-height:120px}.alert{padding:12px 14px;border-radius:8px;margin-bottom:14px}.alert-success{background:#dcfce7;color:#166534}.alert-danger{background:#fee2e2;color:#991b1b}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#071827,#0b63a8)}.login-card{width:100%;max-width:430px}.badge{display:inline-flex;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:900}.badge-on{background:#dcfce7;color:#166534}.badge-off{background:#fee2e2;color:#991b1b}.actions{display:flex;gap:8px;flex-wrap:wrap}.thumb{width:92px;height:58px;object-fit:contain;background:#f8fafc;border:1px solid var(--line);border-radius:6px}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-side{position:static;height:auto}.stats,.form-grid{grid-template-columns:1fr}.admin-main{padding:16px}}