/* =============================================
   AI工作管理平台 - 全局样式
   深色科技风主题 + 赛博朋克渐变
   ============================================= */

/* --- 基础重置和变量 --- */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a1f2e;
    --bg-card-hover: #1f2640;
    --border-color: #2a3050;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --gradient-main: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-cyan: linear-gradient(135deg, #06b6d4, #3b82f6);
    --glass-bg: rgba(26, 31, 46, 0.8);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

/* --- 导航栏 --- */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    height: 56px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-brand {
    font-size: 1.3rem;
    font-weight: 700;
    font-style: italic;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 2rem;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
}

/* --- 主容器 --- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- 统计卡片网格 --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-blue);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card .stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* --- 表格样式 --- */
.data-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.data-table-wrapper h3 {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    background: rgba(59, 130, 246, 0.08);
    padding: 0.8rem 1rem;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(42, 48, 80, 0.5);
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* --- 状态标签 --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-orange);
}

.badge-received {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.badge-in_progress {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
}

.badge-submitted {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
}

.badge-reviewing {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
}

.badge-approved {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.badge-needs_revision {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.badge-manager {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-orange);
}

.badge-worker {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.badge-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

/* --- 优先级 --- */
.priority-critical {
    color: var(--accent-red);
    font-weight: 700;
}

.priority-high {
    color: var(--accent-orange);
    font-weight: 600;
}

.priority-medium {
    color: var(--accent-blue);
}

.priority-low {
    color: var(--text-muted);
}

/* --- 详情页面 --- */
.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.detail-card h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.8rem;
    align-items: flex-start;
}

.detail-label {
    min-width: 100px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.detail-value {
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* --- 评分显示 --- */
.score {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.score-high {
    color: var(--accent-green);
}

.score-mid {
    color: var(--accent-orange);
}

.score-low {
    color: var(--accent-red);
}

/* --- 时间线(反馈/审核记录) --- */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.65rem;
    top: 1.2rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-blue);
    border: 2px solid var(--bg-primary);
}

.timeline-item.review::before {
    background: var(--accent-purple);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.timeline-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: pre-wrap;
    line-height: 1.7;
}

/* --- 筛选栏 --- */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.4rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* --- 分页 --- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.3rem;
    margin-top: 1.5rem;
}

.pagination a,
.pagination span {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    text-decoration: none;
}

.pagination .current {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* --- 空数据提示 --- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* --- 响应式 --- */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .navbar {
        padding: 0 1rem;
    }

    .nav-links a span {
        display: none;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.6rem 0.5rem;
    }
}