/* ========== 全局重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #4338CA;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --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;
    --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 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

/* ========== 顶部导航 ========== */
.top-nav {
    background: var(--gray-900);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.top-nav .nav-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-nav .nav-left .logo {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.top-nav .nav-left .logo span {
    color: var(--primary-light);
}

.top-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.top-nav .nav-links a {
    color: var(--gray-300);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}

.top-nav .nav-links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.top-nav .nav-links a.active {
    color: #fff;
    background: rgba(79, 70, 229, 0.3);
}

.top-nav .nav-links .badge {
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 12px;
    margin-left: 4px;
    font-weight: 600;
}

.top-nav .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-300);
}

.top-nav .user-info .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.top-nav .user-info .username {
    font-size: 14px;
}

.top-nav .user-info .logout-btn {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.top-nav .user-info .logout-btn:hover {
    color: #fff;
    background: rgba(239, 68, 68, 0.2);
}

/* ========== 移动端菜单按钮 ========== */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
}

/* ========== 主容器 ========== */
.wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ========== 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: #fff;
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

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

.stat-card .stat-label {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-top: 4px;
}

.stat-card .stat-value.primary { color: var(--primary); }
.stat-card .stat-value.success { color: var(--success); }
.stat-card .stat-value.warning { color: var(--warning); }
.stat-card .stat-value.danger { color: var(--danger); }

.stat-card .stat-icon {
    float: right;
    font-size: 28px;
    opacity: 0.3;
}

/* ========== 搜索栏 ========== */
.search-bar {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.search-bar .search-input {
    flex: 1;
    min-width: 200px;
    padding: 10px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
    background: var(--gray-50);
}

.search-bar .search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background: #fff;
}

.search-bar select {
    padding: 10px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    background: var(--gray-50);
    cursor: pointer;
    min-width: 140px;
}

.search-bar .btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ========== 按钮 ========== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: var(--warning);
    color: #fff;
}
.btn-warning:hover {
    background: #D97706;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover {
    background: #DC2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* ========== 卡片 ========== */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.card-body {
    padding: 20px 24px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

table thead {
    background: var(--gray-50);
}

table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

table tbody tr {
    transition: background 0.15s;
}

table tbody tr:hover {
    background: var(--gray-50);
}

table tbody tr.warn {
    background: #FEF3C7;
}

table tbody tr.warn:hover {
    background: #FDE68A;
}

/* ========== 状态标签 ========== */
.status-tag {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-tag.wait_accept {
    background: #DBEAFE;
    color: #1E40AF;
}
.status-tag.accept {
    background: #D1FAE5;
    color: #065F46;
}
.status-tag.transport {
    background: #FEF3C7;
    color: #92400E;
}
.status-tag.delivering {
    background: #FDE68A;
    color: #92400E;
}
.status-tag.agent_sign {
    background: #E0E7FF;
    color: #3730A3;
}
.status-tag.sign {
    background: #D1FAE5;
    color: #065F46;
}
.status-tag.failed {
    background: #FEE2E2;
    color: #991B1B;
}

/* ========== 表单 ========== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.form-group .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.2s;
    background: #fff;
}

.form-group .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: none;
}

.form-group textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ========== 消息列表 ========== */
.msg-item {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
    margin-bottom: 12px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-left-width: 4px;
    transition: all 0.2s;
}

.msg-item:hover {
    box-shadow: var(--shadow-md);
}

.msg-item.unread {
    background: #FEF3C7;
    border-left-color: var(--warning);
}

.msg-item .msg-time {
    font-size: 12px;
    color: var(--gray-400);
}

.msg-item .msg-content {
    margin: 8px 0;
    color: var(--gray-700);
}

.msg-item .msg-meta {
    font-size: 13px;
    color: var(--gray-500);
}

/* ========== 轨迹时间线 ========== */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item {
    position: relative;
    padding: 8px 0 16px 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 12px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item .time {
    font-size: 12px;
    color: var(--gray-400);
}

.timeline-item .desc {
    margin-top: 2px;
    color: var(--gray-700);
}

.timeline-item .area {
    font-size: 13px;
    color: var(--primary);
}

/* ========== 数据大盘 ========== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.dashboard-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

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

.dashboard-card .card-label {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dashboard-card .card-value {
    font-size: 32px;
    font-weight: 700;
    margin-top: 4px;
}

.dashboard-card .card-sub {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 4px;
}

.dashboard-card .card-icon {
    position: absolute;
    right: 16px;
    top: 16px;
    font-size: 36px;
    opacity: 0.15;
}

.dashboard-card .card-value.primary { color: var(--primary); }
.dashboard-card .card-value.success { color: var(--success); }
.dashboard-card .card-value.warning { color: var(--warning); }
.dashboard-card .card-value.danger { color: var(--danger); }
.dashboard-card .card-value.info { color: var(--info); }

.dashboard-card .trend-up { color: var(--success); }
.dashboard-card .trend-down { color: var(--danger); }

.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.chart-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.chart-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.chart-box canvas {
    max-height: 250px;
    max-width: 100%;
}

.status-detail-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.status-detail-list .status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-600);
    padding: 4px 12px;
    background: var(--gray-50);
    border-radius: 20px;
}

.status-detail-list .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

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

.msg-mini-list .msg-item-mini {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.msg-mini-list .msg-item-mini:last-child {
    border-bottom: none;
}

.msg-mini-list .msg-item-mini .msg-text {
    flex: 1;
    font-size: 14px;
    color: var(--gray-700);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.msg-mini-list .msg-item-mini .msg-time {
    font-size: 12px;
    color: var(--gray-400);
    margin-left: 12px;
    white-space: nowrap;
}

.msg-mini-list .msg-item-mini .msg-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

.msg-mini-list .msg-item-mini .msg-dot.unread {
    background: var(--danger);
}

.msg-mini-list .msg-item-mini .msg-dot.read {
    background: var(--gray-300);
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .top-nav .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--gray-900);
        flex-direction: column;
        padding: 12px;
        gap: 4px;
        border-top: 1px solid var(--gray-700);
    }
    
    .top-nav .nav-links.open {
        display: flex;
    }
    
    .top-nav .nav-links a {
        width: 100%;
        padding: 10px 16px;
    }
    
    .top-nav .user-info .username {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-bar .search-input,
    .search-bar select {
        width: 100%;
        min-width: unset;
    }
    
    .wrap {
        padding: 12px;
    }
    
    table {
        font-size: 12px;
    }
    
    table th,
    table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .top-nav {
        padding: 0 12px;
        height: 56px;
    }
    
    .top-nav .nav-left .logo {
        font-size: 16px;
    }
}