:root{--primary: #0070f3;--success: #28a745;--admin-accent: #6366f1;--bg: #f4f7f6;--card: #ffffff;--text: #333333;--border: #dddddd}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5}.login-container{display:flex;justify-content:center;align-items:center;height:100vh;padding:20px}.app-container{min-height:100vh}.navbar{background:#1a1a1a;color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.content{max-width:1000px;margin:20px auto;padding:0 20px}.card{background:var(--card);padding:1.5rem;border-radius:10px;box-shadow:0 4px 6px #0000000d;margin-bottom:20px}.login-card{width:100%;max-width:400px;background:#fff;padding:2.5rem;border-radius:16px;box-shadow:0 10px 25px #0000001a;display:flex;flex-direction:column;gap:1.2rem}input,select,textarea{padding:12px;border:1px solid var(--border);border-radius:8px;font-size:16px;transition:border-color .2s;width:100%;box-sizing:border-box}input:focus,select:focus{outline:none;border-color:var(--primary)}label{display:block;font-weight:600;margin-bottom:5px;font-size:14px}button{padding:12px 20px;background-color:var(--primary);color:#fff;border:none;border-radius:8px;font-weight:700;cursor:pointer;transition:opacity .2s,transform .1s}button:hover{opacity:.9}button:active{transform:scale(.98)}.logout-btn{background:#dc3545;padding:8px 16px;font-size:14px}.table-container{overflow-x:auto;background:#fff;border-radius:8px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;margin:10px 0}th{background:#f8f9fa;padding:12px;text-align:left;font-size:14px;border-bottom:2px solid var(--border)}td{padding:12px;border-bottom:1px solid #eee;font-size:14px}.admin-grid{display:grid;gap:20px}@media(max-width:600px){.navbar{padding:1rem;flex-direction:column;gap:10px;text-align:center}.content{padding:0 10px}.admin-grid form{grid-template-columns:1fr!important}}