*{box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;margin:0;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh}
.container{max-width:1100px;margin:0 auto;padding:20px}
.container.small{max-width:800px}
.header{background:#fff;padding:20px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.15);margin-bottom:20px}
.auth{display:flex;align-items:center;justify-content:center;padding:20px;min-height:100vh}
h1,h2,h3{color:#4f46e5;margin:0 0 10px}
label{display:block;margin:10px 0 6px;color:#333;font-weight:600}
input[type=text],input[type=password],input[type=email],input[type=url],select{width:100%;padding:12px 14px;border:2px solid #e0e0e0;border-radius:8px}
.btn{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}
.btn.small{padding:6px 12px;font-size:14px}
.btn.outline{background:#fff;color:#4f46e5;border:2px solid #4f46e5}
.btn.danger{background:#dc3545}
.alert{padding:12px;border-radius:8px;margin-top:10px}
.alert.error{background:#f8d7da;color:#721c24;border-left:4px solid #dc3545}
.alert.success{background:#d4edda;color:#155724;border-left:4px solid #28a745}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid #eee}
.row{display:flex;align-items:center;justify-content:space-between;border:1px solid #eee;border-radius:8px;padding:10px;margin:8px 0;background:#fafafa}
hr{border:none;border-top:1px solid #eee;margin:12px 0}
.muted{color:#777}