:root {

    --primary: #2c3e50;

    --success: #27ae60;

    --danger: #e74c3c;

    --accent: #3498db;

    --bg: #f8f9fa;

}



body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(--bg); color: var(--primary); margin: 0; padding: 20px; }

.container { max-width: 1000px; margin: auto; background: white; padding: 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }



header { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid #eee; margin-bottom: 20px; padding-bottom: 10px; }

.btn-home { text-decoration: none; color: var(--accent); font-weight: bold; border: 1px solid var(--accent); padding: 5px 15px; border-radius: 5px; }



.input-area { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; background: #f1f3f5; padding: 20px; border-radius: 8px; margin-bottom: 30px; }

.input-group label { display: block; font-size: 0.9em; margin-bottom: 5px; font-weight: bold; }

input { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }



table { width: 100%; border-collapse: collapse; margin-top: 10px; }

th, td { padding: 15px; text-align: left; border-bottom: 1px solid #ddd; }

th { background-color: var(--primary); color: white; }

tr:hover { background-color: #f1f1f1; }



.btn-add { background: var(--success); color: white; border: none; padding: 10px; border-radius: 4px; cursor: pointer; font-weight: bold; align-self: end; }

.btn-delete { background: var(--danger); color: white; border: none; padding: 5px 10px; border-radius: 4px; cursor: pointer; }

.footer-actions { margin-top: 30px; display: flex; gap: 15px; }

.btn-clear { background: #95a5a6; color: white; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; }

.btn-download { background: var(--accent); color: white; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; }