.dashboard{text-align:center}.dashboard h2{margin-bottom:2rem;color:#2c3e50}.dashboard-cards{display:flex;justify-content:center;gap:2rem}.card{background-color:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 10px #0000001a;cursor:pointer;transition:transform .3s,box-shadow .3s;width:200px}.card:hover{transform:translateY(-5px);box-shadow:0 4px 20px #00000026}.card h3{margin-bottom:.5rem;color:#2c3e50}.card p{color:#7f8c8d}.client-list{background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a;overflow:hidden}.client-list table{width:100%;border-collapse:collapse}.client-list th,.client-list td{padding:1rem;text-align:left;border-bottom:1px solid #eee}.client-list th{background-color:#f8f9fa;font-weight:700;color:#2c3e50}.client-list tbody tr:hover{background-color:#f8f9fa}.clients{max-width:1200px;margin:0 auto}.clients h2{margin-bottom:1rem;color:#2c3e50}.client-form{background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 10px #0000001a;max-width:800px;margin:0 auto}.client-form h3{margin-bottom:1.5rem;color:#2c3e50}.form-row{display:flex;gap:1rem;margin-bottom:1rem}.form-row .form-group{flex:1}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.form-group textarea{resize:vertical;min-height:80px}.checkbox-label{display:flex;align-items:center;gap:.5rem;font-weight:400!important}.checkbox-label input[type=checkbox]{width:auto;margin:0}.device-list{background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a;overflow:hidden}.device-list table{width:100%;border-collapse:collapse}.device-list th,.device-list td{padding:1rem;text-align:left;border-bottom:1px solid #eee}.device-list th{background-color:#f8f9fa;font-weight:700;color:#2c3e50}.device-list tbody tr:hover{background-color:#f8f9fa}.devices{max-width:1200px;margin:0 auto}.devices h2{margin-bottom:1rem;color:#2c3e50}.device-form{background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 10px #0000001a;max-width:600px;margin:0 auto}.device-form h3{margin-bottom:1.5rem;color:#2c3e50}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:700;color:#2c3e50}.form-group input,.form-group select{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.form-actions{margin-top:2rem;text-align:center}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f5f5f5;color:#333}.app{display:flex;flex-direction:column;min-height:100vh}.navbar{background-color:#2c3e50;color:#fff;padding:1rem;display:flex;justify-content:space-between;align-items:center}.navbar h1{margin:0}.navbar ul{list-style:none;display:flex;gap:2rem}.navbar li{cursor:pointer;padding:.5rem 1rem;border-radius:4px;transition:background-color .3s}.navbar li:hover{background-color:#34495e}.main-content{flex:1;padding:2rem}.add-btn{background-color:#27ae60;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;margin-bottom:1rem}.add-btn:hover{background-color:#229954}.edit-btn{background-color:#3498db;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;margin-right:.5rem}.edit-btn:hover{background-color:#2980b9}.delete-btn{background-color:#e74c3c;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer}.delete-btn:hover{background-color:#c0392b}.save-btn{background-color:#27ae60;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem}.save-btn:hover{background-color:#229954}.cancel-btn{background-color:#95a5a6;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;margin-left:1rem}.cancel-btn:hover{background-color:#7f8c8d}