:root{--bg:#f3f6fb;--side:#050914;--text:#08111f;--muted:#64748b;--line:#e2e8f0;--blue:#0077ff;--purple:#7c3aed;--danger:#ef4444;--success:#16a34a}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--side);color:#fff;padding:28px 24px;position:sticky;top:0;height:100vh}.sidebar img{width:120px;margin:0 auto 28px}.sidebar a{display:block;padding:13px 12px;border-radius:12px;font-weight:800;margin:4px 0;color:#e8eef9}.sidebar a:hover,.sidebar a.active{background:linear-gradient(135deg,var(--blue),var(--purple))}.main{padding:34px}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.topbar h1{margin:0;font-size:32px;letter-spacing:-.04em}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 20px 50px rgba(15,23,42,.06)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat b{font-size:28px}.stat span{display:block;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:12px 18px;font-weight:900;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff}.btn-soft{background:#eaf2ff;color:#075cce}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:12px;text-transform:uppercase;color:#64748b;letter-spacing:.06em}.table th,.table td{padding:16px;border-bottom:1px solid var(--line);vertical-align:middle}.thumb{width:92px;height:60px;object-fit:cover;border-radius:12px;background:#111827}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-group{display:grid;gap:8px}.form-group.full{grid-column:1/-1}label{font-weight:800}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit}textarea{min-height:130px}.alert{padding:14px 16px;border-radius:14px;margin-bottom:18px;font-weight:800}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#050914,#24104b)}.login-card{width:min(440px,92%);background:#fff;border-radius:26px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.login-card img{width:120px;margin:0 auto 24px}.login-card h1{margin:0 0 8px}.login-card p{color:#64748b}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.main{padding:22px}.grid,.form-grid{grid-template-columns:1fr}.table{font-size:14px}}