/* style.css - Tema Escuro Moderno */
:root{--color-dark-bg:#121212;--color-card-bg:#1e1e1e;--color-sidebar-bg:#1a1a1a;--color-text-primary:#e0e0e0;--color-text-secondary:#a0a0a0;--color-primary:#007bff;--color-primary-hover:#0056b3;--color-success:#28a745;--color-danger:#dc3545;--color-warning:#ffc107;--color-border:#333;--transition-speed:0.3s}*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Inter',sans-serif;background-color:var(--color-dark-bg );color:var(--color-text-primary);line-height:1.6}.login-container{display:flex;justify-content:center;align-items:center;height:100vh}.login-box{background-color:var(--color-card-bg);padding:40px;border-radius:12px;box-shadow:0 0 20px rgba(0,0,0,0.5);width:100%;max-width:400px;text-align:center;animation:fadeIn var(--transition-speed) ease-out}.logo-text{font-size:2.5rem;font-weight:700;color:var(--color-primary);margin-bottom:20px;letter-spacing:2px}#login-form input[type="password"]{width:100%;padding:12px;margin-bottom:20px;border:1px solid var(--color-border);border-radius:6px;background-color:var(--color-dark-bg);color:var(--color-text-primary);font-size:1rem;transition:border-color var(--transition-speed)}#login-form input[type="password"]:focus{border-color:var(--color-primary);outline:none}.error-message{color:var(--color-danger);margin-top:10px;height:20px;opacity:0;transition:opacity var(--transition-speed)}.error-message.visible{opacity:1}.dashboard-container{display:flex;min-height:100vh}.sidebar{width:250px;background-color:var(--color-sidebar-bg);padding:20px;display:flex;flex-direction:column;border-right:1px solid var(--color-border)}.main-nav{flex-grow:1;margin-top:30px}.nav-item{display:block;padding:12px 15px;margin-bottom:8px;color:var(--color-text-secondary);text-decoration:none;border-radius:6px;transition:background-color var(--transition-speed),color var(--transition-speed)}.nav-item:hover{background-color:rgba(255,255,255,0.05);color:var(--color-text-primary)}.nav-item.active{background-color:var(--color-primary);color:white;font-weight:600}.nav-item.active:hover{background-color:var(--color-primary-hover)}.content{flex-grow:1;padding:30px}.card{background-color:var(--color-card-bg);padding:20px;border-radius:8px;margin-bottom:20px;box-shadow:0 4px 8px rgba(0,0,0,0.3);animation:fadeIn var(--transition-speed) ease-out}.card-header{font-size:1.5rem;font-weight:600;margin-bottom:15px;border-bottom:1px solid var(--color-border);padding-bottom:10px}.btn{padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:500;transition:background-color var(--transition-speed),transform 0.1s}.btn-primary{background-color:var(--color-primary);color:white}.btn-primary:hover{background-color:var(--color-primary-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--color-text-secondary);color:var(--color-dark-bg)}.btn-secondary:hover{background-color:var(--color-text-primary)}.logout-btn{width:100%;margin-top:20px}.hidden{display:none !important}.tab-content{animation:fadeIn 0.5s ease-out}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;color:var(--color-text-secondary)}.form-group input[type="text"],.form-group input[type="url"],.form-group input[type="number"],.form-group select{width:100%;padding:10px;border:1px solid var(--color-border);border-radius:5px;background-color:var(--color-card-bg);color:var(--color-text-primary);box-sizing:border-box;transition:border-color 0.3s}.form-group input:focus,.form-group select:focus{border-color:var(--color-primary);outline:none}.form-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23a0a0a0'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd' /%3E%3C/svg%3E" );background-repeat:no-repeat;background-position:right 0.75rem center;background-size:1.5em 1.5em;padding-right:2.5rem}.checkbox-group{display:flex;align-items:center;margin-bottom:10px}.checkbox-group input[type="checkbox"]{margin-right:10px;width:18px;height:18px}table{width:100%;border-collapse:collapse;margin-top:15px}table th,table td{padding:12px;text-align:left;border-bottom:1px solid var(--color-border)}table th{background-color:var(--color-sidebar-bg);color:var(--color-text-secondary);font-weight:500;text-transform:uppercase;font-size:0.85rem}table tr:hover{background-color:rgba(255,255,255,0.03)}.grid-2-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}.status-allowed{color:var(--color-success);font-weight:bold}.status-blocked{color:var(--color-danger);font-weight:bold}.switch{position:relative;display:inline-block;width:60px;height:34px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.4s;border-radius:34px}.slider:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background-color:white;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--color-success)}input:checked+.slider:before{transform:translateX(26px)}.action-cell{text-align:center;vertical-align:middle}.device-icon{font-size:1.2rem;vertical-align:middle;margin-right:5px}.action-cell .btn-danger,.action-cell .btn-success{padding:5px 10px;font-size:0.85rem}.action-cell .btn-danger:hover{background-color:#c82333;transform:translateY(-1px)}.status-pill{display:inline-block;padding:4px 12px;font-size:0.8rem;font-weight:600;border-radius:12px;text-transform:uppercase;letter-spacing:0.5px}.status-pill.active{background-color:rgba(40,167,69,0.2);color:#28a745}.status-pill.inactive{background-color:rgba(108,117,125,0.2);color:#6c757d}.status-header{display:flex;justify-content:space-between;align-items:center;margin-top:20px;margin-bottom:10px}.btn-success{background-color:var(--color-success);color:white}.btn-success:hover{background-color:#218838}