:root{--primary:#0A2C3D;--gold:#D4AF37;--bg:#f4f6f8}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:#1a1a1a}.login-body{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#0A2C3D,#133f55)}.login-card,.box{background:#fff;border-radius:20px;padding:28px;box-shadow:0 18px 50px rgba(0,0,0,.12)}.login-card{width:min(420px,92vw)}input,textarea,select{width:100%;padding:12px;margin:8px 0;border:1px solid #ddd;border-radius:10px}button,.btn{background:var(--primary);color:#fff;border:0;border-radius:999px;padding:12px 18px;text-decoration:none;display:inline-block;margin:4px}.error{background:#ffe6e6;color:#8a0000;padding:10px;border-radius:10px}.admin-side{position:fixed;inset:0 auto 0 0;width:250px;background:#071f2b;color:#fff;padding:24px;overflow:auto}.admin-side a{display:block;color:#fff;text-decoration:none;padding:10px;border-radius:10px}.admin-side a:hover{background:rgba(255,255,255,.12)}.admin-main{margin-left:250px;padding:28px}.admin-main header{display:flex;justify-content:space-between;align-items:center}.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.stats div{background:#fff;border-radius:18px;padding:22px}.stats strong{display:block;font-size:34px;color:var(--primary)}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid #eee;text-align:left;font-size:14px}th{background:#f8f8f8}@media(max-width:900px){.admin-side{position:static;width:auto}.admin-main{margin:0}.stats,.admin-grid{grid-template-columns:1fr}}