* {
    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;
    align-items: center;
}

.topology-selector {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    min-width: 200px;
    cursor: pointer;
    transition: all 0.3s;
}

.topology-selector:hover {
    background: white;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.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;
}

.btn-secondary {
    background: #607D8B;
    color: white;
}

.btn-danger {
    background: #f44336;
    color: white;
}

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

.sidebar {
    width: 300px;
    min-width: 200px;
    max-width: 600px;
    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;
    min-width: 400px;
}

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

.detail-panel {
    width: 600px;
    min-width: 300px;
    max-width: 1000px;
    background: white;
    padding: 20px;
    overflow-y: auto;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    display: none;
    position: relative;
}

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

/* 拖拽手柄样式 */
.resizer {
    width: 5px;
    cursor: col-resize;
    background: #e0e0e0;
    position: relative;
    z-index: 10;
    transition: background 0.2s;
}

.resizer:hover,
.resizer.resizing {
    background: #667eea;
}

.resizer::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 3px;
    height: 30px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.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;
}

/* SSH终端样式 */
.terminal-modal-content {
    width: 95vw;
    max-width: 1200px;
    margin: 20px auto;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    cursor: default;
}

.terminal-modal-content .modal-header-drag {
    cursor: move;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    margin-bottom: 5px;
    user-select: none;
}

.terminal-container {
    width: 100%;
    height: calc(85vh - 80px);
    background: #1e1e1e;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 10px;
}

.terminal-status {
    margin-top: 10px;
    font-size: 12px;
    color: #999;
    text-align: right;
}

.terminal-status.connected {
    color: #4CAF50;
}

/* 设备选择器样式 */
.select-devices-modal-content {
    width: 600px;
    max-width: 90vw;
}

.select-devices-toolbar {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.selected-count {
    font-size: 13px;
    color: #666;
}

.device-pool-list {
    max-height: 400px;
    overflow-y: auto;
}

.device-pool-item {
    display: flex;
    align-items: center;
    padding: 10px;
    margin-bottom: 8px;
    background: #f9f9f9;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid #ddd;
}

.device-pool-item:hover {
    background: #f0f0f0;
    border-left-color: #667eea;
}

.device-pool-item.selected {
    background: #e8f5e9;
    border-left-color: #4CAF50;
}

.device-pool-item input[type="checkbox"] {
    margin-right: 12px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.device-pool-item .device-info {
    flex: 1;
}

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

.device-pool-item .device-type {
    font-size: 12px;
    color: #666;
    margin-top: 3px;
}