body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f4f6f9; margin: 0; color: #333; }
.navbar { background: #2c3e50; color: white; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.brand { font-size: 20px; font-weight: bold; letter-spacing: 1px; }
.container { max-width: 1200px; margin: 40px auto; padding: 0 20px; }
.btn { padding: 8px 15px; border-radius: 4px; text-decoration: none; color: white; font-size: 14px; transition: 0.3s; border: none; cursor: pointer; }
.btn-logout { background: #c0392b; } .btn-logout:hover { background: #a93226; }
.btn-primary { background: #2980b9; } .btn-primary:hover { background: #2471a3; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card { background: white; border-radius: 8px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); transition: transform 0.2s; text-decoration: none; color: #333; border-top: 5px solid #ccc; display: block; }
.card:hover { transform: translateY(-5px); box-shadow: 0 8px 15px rgba(0,0,0,0.1); }
.card h3 { margin-top: 0; color: #2c3e50; }
.card p { color: #666; font-size: 14px; }
.login-wrapper { height: 100vh; display: flex; justify-content: center; align-items: center; background: #dfe6e9; }
.login-box { background: white; padding: 40px; border-radius: 8px; width: 100%; max-width: 350px; box-shadow: 0 10px 25px rgba(0,0,0,0.1); text-align: center; }
input { width: 100%; padding: 12px; margin: 10px 0; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; }
.badge { font-size: 10px; background: #333; color: white; padding: 2px 5px; border-radius: 3px; vertical-align: middle; }