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

:root {
    /* 主色调 */
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    
    /* 状态颜色 */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    /* 灰度色彩 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    
    /* 边框圆角 */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--gray-700);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 顶部导航栏 */
.main-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 70px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-section i {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo-section h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 主导航 */
.main-navigation {
    display: flex;
    gap: 0.5rem;
    margin-left: 3rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.nav-item:hover {
    background: var(--gray-100);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-item i {
    font-size: 1rem;
}

/* 右侧操作区 */
.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: var(--gray-400);
    z-index: 1;
}

.search-box input {
    width: 300px;
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.notification-btn:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    min-width: 1.5rem;
    text-align: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-profile:hover {
    background: var(--gray-100);
}

.user-profile img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--primary-light);
}

.user-profile span {
    font-weight: 500;
    color: var(--gray-700);
}

/* 主内容区域 */
.main-content {
    display: grid;
    grid-template-columns: 320px 1fr 350px;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    min-height: calc(100vh - 70px - 60px);
}

/* 左侧面板 */
.left-panel {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-indicator.online {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 3D设备模型区域 */
.device-model-section {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.model-container {
    height: 200px;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

/* 抽油机动画 */
.oil-pump-animation {
    position: relative;
    transform: scale(0.8);
}

.pump-base {
    width: 120px;
    height: 60px;
    background: linear-gradient(145deg, #4a5568, #2d3748);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    position: relative;
}

.pump-base::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
}

.pump-arm {
    width: 100px;
    height: 8px;
    background: linear-gradient(90deg, #e53e3e, #c53030);
    position: absolute;
    top: 20px;
    left: 50%;
    transform-origin: 10px center;
    transform: translateX(-50%) rotate(-30deg);
    border-radius: var(--radius);
    animation: pumpRotation 3s ease-in-out infinite;
}

.pump-head {
    width: 30px;
    height: 40px;
    background: linear-gradient(145deg, #2b6cb0, #2c5282);
    position: absolute;
    right: -15px;
    top: -16px;
    border-radius: var(--radius);
}

@keyframes pumpRotation {
    0%, 100% { transform: translateX(-50%) rotate(-30deg); }
    50% { transform: translateX(-50%) rotate(30deg); }
}

.model-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.control-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.control-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.control-btn[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-800);
    color: white;
    padding: 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 10;
}

/* 设备状态区域 */
.device-status-section, .working-condition-section {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.device-status-section:last-child,
.working-condition-section:last-child {
    border-bottom: none;
}

.device-status-section h4,
.working-condition-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.status-grid {
    display: grid;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.status-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.status-value {
    font-weight: 600;
    color: var(--gray-800);
}

.status-value.running {
    color: var(--success-color);
}

.condition-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.condition-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
}

.condition-item.normal {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.condition-item.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* 中央面板 */
.center-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.parameters-section, .charts-section {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
}

.update-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.spinning {
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 参数网格 */
.parameters-grid {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.parameter-group h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.parameter-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.parameter-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
}

.parameter-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.param-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.param-icon.pressure {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.param-icon.electrical {
    background: linear-gradient(135deg, var(--warning-color), #fbbf24);
}

.param-icon.production {
    background: linear-gradient(135deg, var(--success-color), #34d399);
}

.param-info {
    flex: 1;
}

.param-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.25rem;
}

.param-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.param-value .unit {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
}

.param-trend {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.param-trend.up {
    color: var(--success-color);
}

.param-trend.down {
    color: var(--danger-color);
}

.param-trend.stable {
    color: var(--gray-500);
}

/* 图表控制 */
.chart-controls {
    display: flex;
    gap: 0.5rem;
}

.time-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-300);
    background: var(--bg-primary);
    border-radius: var(--radius);
    color: var(--gray-600);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.time-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.chart-container {
    padding: 1.5rem;
    height: 400px;
}

/* 右侧面板 */
.right-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.production-stats, .alarm-panel, .device-list-panel {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* 产量统计 */
.stats-chart {
    padding: 1.5rem;
    display: flex;
    justify-content: center;
}

.stats-summary {
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.stat-value {
    font-weight: 600;
    color: var(--gray-800);
}

.stat-value.success {
    color: var(--success-color);
}

/* 报警面板 */
.alarm-count {
    background: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    min-width: 1.5rem;
    text-align: center;
}

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

.alarm-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.2s ease;
}

.alarm-item:hover {
    background: var(--gray-50);
}

.alarm-item:last-child {
    border-bottom: none;
}

.alarm-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.alarm-item.warning .alarm-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.alarm-item.info .alarm-icon {
    background: rgba(6, 182, 212, 0.1);
    color: var(--info-color);
}

.alarm-item.success .alarm-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.alarm-content {
    flex: 1;
}

.alarm-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.alarm-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.alarm-time {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* 设备列表 */
.refresh-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.refresh-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg);
}

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

.device-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.2s ease;
    cursor: pointer;
}

.device-item:hover {
    background: var(--gray-50);
}

.device-item.active {
    background: rgba(59, 130, 246, 0.05);
    border-left: 4px solid var(--primary-color);
}

.device-item:last-child {
    border-bottom: none;
}

.device-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.device-status.online {
    background: var(--success-color);
    animation: pulse 2s infinite;
}

.device-status.warning {
    background: var(--warning-color);
}

.device-status.offline {
    background: var(--gray-400);
}

.device-info {
    flex: 1;
}

.device-name {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.device-type {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.device-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* 底部状态栏 */
.status-bar {
    background: var(--bg-primary);
    border-top: 1px solid var(--gray-200);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.system-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-actions {
    display: flex;
    gap: 0.5rem;
}

.footer-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

.footer-btn:hover {
    background: var(--gray-100);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 1400px) {
    .main-content {
        grid-template-columns: 280px 1fr 320px;
        gap: 1rem;
        padding: 1rem 1.5rem;
    }
    
    .search-box input {
        width: 250px;
    }
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .right-panel {
        grid-row: 1;
    }
    
    .center-panel {
        grid-row: 2;
    }
    
    .left-panel {
        grid-row: 3;
    }
}

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        height: auto;
        padding: 1rem;
        gap: 1rem;
    }
    
    .main-navigation {
        margin-left: 0;
        flex-wrap: wrap;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .main-content {
        padding: 1rem;
        gap: 1rem;
    }
    
    .parameter-cards {
        grid-template-columns: 1fr;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-200);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

/* 提示框 */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-800);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}