/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --success: #34a853;
    --warning: #fbbc04;
    --danger: #ea4335;
    --info: #4285f4;
    --dark: #202124;
    --gray-900: #3c4043;
    --gray-700: #5f6368;
    --gray-500: #9aa0a6;
    --gray-300: #dadce0;
    --gray-100: #f1f3f4;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.1);
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
    color: var(--white);
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 64px;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-right: 40px;
}

.navbar-brand .logo {
    font-size: 24px;
}

.navbar-brand .title {
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
}

.navbar-menu {
    display: flex;
    gap: 4px;
    flex: 1;
}

.navbar-menu a {
    color: var(--gray-300);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s;
}

.navbar-menu a:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.navbar-menu a.active {
    color: var(--white);
    background: var(--primary);
}

.navbar-info {
    font-size: 13px;
    color: var(--gray-500);
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

/* ==================== 页面切换 ==================== */
.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.page-header .subtitle {
    color: var(--gray-700);
    font-size: 14px;
}

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 36px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.stat-label {
    font-size: 13px;
    color: var(--gray-700);
}

/* ==================== 卡片 ==================== */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.card-body {
    padding: 20px;
}

/* ==================== Dashboard Grid ==================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

/* ==================== 工作面列表 ==================== */
.unit-list {
    display: grid;
    gap: 8px;
}

.unit-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--gray-100);
    border-radius: var(--radius);
    transition: background 0.2s;
    cursor: pointer;
}

.unit-item:hover {
    background: var(--gray-300);
}

.unit-name {
    font-weight: 500;
}

.unit-code {
    font-size: 12px;
    color: var(--gray-700);
    background: var(--white);
    padding: 2px 8px;
    border-radius: 4px;
}

.unit-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.status-dot.empty {
    background: var(--gray-500);
}

/* ==================== 表单 ==================== */
.form-inline {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.form-vertical {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-input,
.form-select {
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--white);
    transition: border-color 0.2s;
    min-width: 180px;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(26,115,232,0.2);
}

.form-group-btn {
    align-items: flex-end;
}

/* ==================== 按钮 ==================== */
.btn {
    padding: 8px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--success);
    color: var(--white);
}

.btn-success:hover:not(:disabled) {
    background: #2d9249;
}

.btn-warning {
    background: var(--warning);
    color: var(--gray-900);
}

.btn-warning:hover:not(:disabled) {
    background: #e8a800;
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-secondary {
    background: var(--gray-300);
    color: var(--gray-900);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-500);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
}

/* ==================== 表格 ==================== */
.data-table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th,
.data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-300);
}

.data-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    position: sticky;
    top: 0;
}

.data-table tr:hover {
    background: var(--gray-100);
}

.data-table .value-normal {
    color: var(--success);
}

.data-table .value-warning {
    color: var(--warning);
    font-weight: 600;
}

.data-table .value-danger {
    color: var(--danger);
    font-weight: 600;
}

/* ==================== 徽章 ==================== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-info {
    background: rgba(66,133,244,0.1);
    color: var(--info);
}

.badge-success {
    background: rgba(52,168,83,0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(251,188,4,0.1);
    color: #b07d00;
}

.badge-danger {
    background: rgba(234,67,53,0.1);
    color: var(--danger);
}

/* ==================== 日志容器 ==================== */
.log-container {
    background: var(--dark);
    color: #e8eaed;
    padding: 16px;
    border-radius: var(--radius);
    font-family: 'Courier New', monospace;
    font-size: 13px;
    max-height: 300px;
    overflow-y: auto;
    line-height: 1.8;
}

.log-info {
    color: var(--info);
}

.log-success {
    color: var(--success);
}

.log-warning {
    color: var(--warning);
}

.log-error {
    color: var(--danger);
}

/* ==================== AI分析布局 ==================== */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.desc {
    color: var(--gray-700);
    font-size: 14px;
    margin-bottom: 12px;
}

.time-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.time-range span {
    color: var(--gray-700);
}

/* ==================== 分析结果 ==================== */
.analysis-result {
    min-height: 200px;
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--radius);
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: 14px;
    max-height: 600px;
    overflow-y: auto;
}

.analysis-result h1,
.analysis-result h2,
.analysis-result h3 {
    margin-top: 16px;
    margin-bottom: 8px;
    color: var(--dark);
}

/* ==================== 报告预览 ==================== */
.report-preview {
    min-height: 200px;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    line-height: 1.8;
    font-size: 14px;
    max-height: 600px;
    overflow-y: auto;
}

/* ==================== 数据摘要 ==================== */
.data-summary-content {
    max-height: 500px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.8;
}

.data-summary-content table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.data-summary-content table th,
.data-summary-content table td {
    padding: 8px 10px;
    border: 1px solid var(--gray-300);
    text-align: left;
    font-size: 12px;
}

.data-summary-content table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    position: sticky;
    top: 0;
}

.data-summary-content table tr:nth-child(even) {
    background: var(--gray-100);
}

.data-summary-content table tr:hover {
    background: var(--gray-300);
}

.data-summary-content code {
    background: var(--gray-100);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--primary);
}

/* ==================== 采集状态 ==================== */
.collect-status {
    display: grid;
    gap: 8px;
}

.collect-status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--gray-100);
    border-radius: var(--radius);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--dark);
    color: var(--gray-500);
    text-align: center;
    padding: 16px;
    font-size: 13px;
    margin-top: auto;
}

/* ==================== 加载动画 ==================== */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.8s linear infinite;
}

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

/* ==================== 提示消息 ==================== */
.toast {
    position: fixed;
    top: 80px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius);
    color: var(--white);
    font-size: 14px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--danger);
}

.toast-warning {
    background: var(--warning);
    color: var(--gray-900);
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 12px;
        gap: 8px;
    }
    
    .navbar-brand {
        margin-right: 0;
        width: 100%;
    }
    
    .navbar-brand .title {
        font-size: 14px;
    }
    
    .navbar-menu {
        order: 3;
        width: 100%;
        overflow-x: auto;
    }
    
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-input,
    .form-select {
        min-width: auto;
        width: 100%;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}