body{font-family:Arial,sans-serif;margin:0;background:#f5f7fb;color:#1e293b}a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1180px;margin:0 auto;padding:24px}.site-header,.site-footer{background:#0f172a;color:#fff}.site-header a,.site-footer a,.brand{color:#fff}.row{display:flex}.between{justify-content:space-between}.center{align-items:center}.hero{padding:40px 0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card{background:#fff;padding:20px;border-radius:14px;box-shadow:0 6px 24px rgba(15,23,42,.08);margin-bottom:16px}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:20px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid #e2e8f0;text-align:left}input,textarea,select{width:100%;padding:10px;margin:6px 0 14px;border:1px solid #cbd5e1;border-radius:8px;box-sizing:border-box}button{background:#1d4ed8;color:#fff;border:none;padding:11px 16px;border-radius:10px;cursor:pointer}.notice{padding:12px;border-radius:10px;margin:10px 0}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}.admin-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:#0f172a;color:#fff;padding:24px;display:flex;flex-direction:column;gap:12px}.sidebar a{color:#cbd5e1}.admin-content{padding:24px}.login-wrap{display:grid;place-items:center;min-height:100vh}.login-card{width:100%;max-width:420px}.year-card{display:flex;justify-content:center;align-items:center;min-height:100px;font-size:28px}.mt{margin-top:16px}@media(max-width:800px){.grid-two,.admin-shell{grid-template-columns:1fr}}