:root{--bg:#f4f6f8;--side:#151c24;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#dbe1e8;--accent:#d98d70;--green:#16835a;--red:#b42318;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;font-size:14px}.admin-shell{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--side);color:#fff;position:fixed;inset:0 auto 0 0;padding:20px}.admin-brand{padding:12px 8px 24px;border-bottom:1px solid rgba(255,255,255,.11);display:grid;gap:4px}.admin-brand span{width:44px;height:44px;border:2px solid var(--accent);display:grid;place-items:center;color:var(--accent);font-weight:900}.admin-brand small{color:#9ca3af}.sidebar nav{display:grid;gap:7px;margin-top:18px}.sidebar a{color:#e5e7eb;text-decoration:none;padding:12px 14px;border-radius:12px}.sidebar a:hover{background:rgba(255,255,255,.08)}.admin-main{margin-left:280px;width:calc(100% - 280px);padding:28px}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.admin-top h1{margin:0;font-size:34px}.admin-top p{margin:5px 0 0;color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 28px rgba(31,41,55,.06);margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.stat b{font-size:34px;display:block}.btn,.button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;border:0;border-radius:10px;padding:11px 16px;font-weight:800;cursor:pointer}.btn.gray{background:#374151}.btn.red{background:var(--red)}.btn.green{background:var(--green)}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f8fafc;color:#4b5563}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px;margin-bottom:14px}.field label{font-weight:800}.field input,.field textarea,.field select{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}.field textarea{min-height:130px}.alert{padding:13px 15px;border-radius:12px;margin-bottom:18px}.alert.danger{background:#fff1f0;color:var(--red)}.alert.ok{background:#e9f8ef;color:var(--green)}.thumb{width:90px;height:60px;object-fit:cover;border-radius:10px}.actions{display:flex;gap:8px;flex-wrap:wrap}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#151c24,#34404b)}.login-card{width:min(430px,92vw);background:#fff;border-radius:22px;padding:32px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.login-card h1{margin-top:0}@media(max-width:900px){.sidebar{position:static;width:100%}.admin-shell{display:block}.admin-main{margin-left:0;width:100%;padding:16px}.grid,.form-grid{grid-template-columns:1fr}.admin-top{display:block}}