:root{--navy:#061b49;--gold:#f7bd16;--bg:#f3f6fb;--ink:#17223b}*{box-sizing:border-box}body{margin:0;font:14px Arial,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:var(--navy);color:#fff;padding:20px}.admin-brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;margin-bottom:30px}.admin-brand img{width:48px;height:48px;border-radius:50%;object-fit:cover}.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:12px;border-radius:8px;color:#dce7ff}.sidebar nav a:hover{background:rgba(255,255,255,.1)}.sidebar i{width:22px}.admin-main{margin-left:245px;padding:25px}.admin-main>header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.admin-main h1{margin:0;color:var(--navy)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.panel{background:#fff;border-radius:14px;padding:22px;box-shadow:0 8px 25px rgba(6,27,73,.08)}.card strong{display:block;font-size:32px;color:var(--navy)}.panel{margin-top:20px;overflow:auto}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.btn{display:inline-block;background:var(--gold);color:#111;padding:10px 15px;border:0;border-radius:8px;font-weight:700;cursor:pointer}.btn.red{background:#fee2e2;color:#991b1b}.btn.blue{background:#dbeafe;color:#1e40af}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid #e7ecf3;vertical-align:top}th{background:#f7f9fc}.thumb{width:75px;height:60px;object-fit:cover;border-radius:7px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1/-1}label{font-weight:700;display:block}input,textarea,select{width:100%;padding:11px;margin-top:6px;border:1px solid #ccd5e2;border-radius:8px;font:inherit}.notice{padding:12px;border-radius:8px;margin-bottom:16px}.notice.success{background:#dcfce7;color:#166534}.notice.error{background:#fee2e2;color:#991b1b}.status{padding:4px 8px;border-radius:20px;font-size:12px;background:#e2e8f0}.status.new{background:#fef3c7}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),#174b9b)}.login-box{width:min(420px,90%);background:#fff;padding:35px;border-radius:18px}.login-box img{width:85px;height:85px;border-radius:50%;object-fit:cover;margin:auto}.login-box h1{text-align:center}.login-box .btn{width:100%;margin-top:12px}@media(max-width:850px){.sidebar{position:static;width:auto}.sidebar nav{grid-template-columns:repeat(2,1fr)}.admin-main{margin-left:0}.cards{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}}@media(max-width:500px){.cards{grid-template-columns:1fr}.sidebar nav{grid-template-columns:1fr}.admin-main{padding:15px}}