* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
    color: #333;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 24px;
}

.controls {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-primary {
    background: #4CAF50;
    color: white;
}

.btn-success {
    background: #2196F3;
    color: white;
}

.btn-info {
    background: #FF9800;
    color: white;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 300px;
    background: white;
    padding: 20px;
    overflow-y: auto;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.panel {
    margin-bottom: 20px;
    padding: 15px;
    background: #fafafa;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.panel h3 {
    margin-bottom: 15px;
    color: #667eea;
    font-size: 16px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #45a049);
    width: 0%;
    transition: width 0.3s;
}

.device-list {
    max-height: 300px;
    overflow-y: auto;
}

.device-item {
    padding: 10px;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid #667eea;
}

.device-item:hover {
    background: #f0f0f0;
    transform: translateX(5px);
}

.device-item .ip {
    font-weight: bold;
    color: #667eea;
}

.device-item .type {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.content {
    flex: 1;
    position: relative;
}

#cy {
    width: 100%;
    height: 100%;
    background: white;
}

.detail-panel {
    width: 350px;
    background: white;
    padding: 20px;
    overflow-y: auto;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    display: none;
}

.detail-panel.active {
    display: block;
}

.detail-panel h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.detail-section {
    margin-bottom: 20px;
}

.detail-section h4 {
    margin-bottom: 10px;
    color: #333;
    font-size: 14px;
}

.interface-item {
    padding: 10px;
    margin-bottom: 10px;
    background: #f9f9f9;
    border-radius: 5px;
    border-left: 3px solid #2196F3;
}

.interface-item .name {
    font-weight: bold;
    color: #2196F3;
}

.interface-item .info {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.modal.active {
    display: block;
}

.modal-content {
    background: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 10px;
    width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

.status-up {
    color: #4CAF50;
    font-weight: bold;
}

.status-down {
    color: #f44336;
    font-weight: bold;
}

.status-admin-down {
    color: #FF9800;
    font-weight: bold;
}