* { box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 0; padding: 0; }
body { background-color: #f4f6f9; color: #333; display: flex; min-height: 100vh; }
.sidebar { width: 250px; background-color: #2c3e50; color: #fff; padding: 20px; }
.sidebar h2 { text-align: center; margin-bottom: 30px; font-size: 20px; letter-spacing: 1px; }
.sidebar a { display: block; color: #bdc3c7; padding: 12px; text-decoration: none; border-radius: 4px; margin-bottom: 10px; transition: 0.3s; }
.sidebar a:hover, .sidebar a.active { background-color: #34495e; color: #fff; }
.main-content { flex: 1; padding: 30px; }
header { margin-bottom: 30px; }
.card-container { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
.card { background: #fff; padding: 20px; border-radius: 8px; flex: 1; min-width: 200px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border-left: 5px solid #3498db; }
.card.temp { border-left-color: #e74c3c; }
.card.hum { border-left-color: #2ecc71; }
.card h3 { font-size: 14px; color: #7f8c8d; text-transform: uppercase; }
.card p { font-size: 32px; font-weight: bold; margin-top: 10px; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
th, td { padding: 15px; text-align: left; border-bottom: 1px solid #eeeeee; }
th { background-color: #34495e; color: white; }
tr:hover { background-color: #f9f9f9; }
.pagination { margin-top: 20px; text-align: right; }
.pagination a { display: inline-block; padding: 8px 16px; border: 1px solid #ddd; background: #fff; text-decoration: none; color: #333; margin-left: 5px; border-radius: 4px; }
.pagination a.active { background: #3498db; color: #fff; border-color: #3498db; }