/* ===== 全局变量 ===== */
:root {
    /* 品牌色 - 坚果暖色调 */
    --primary: #C8702A;
    --primary-light: #E8A55C;
    --primary-dark: #9E5620;
    --primary-bg: #FBF3EB;
    --primary-bg-hover: #F5E8D8;

    /* 功能色 */
    --success: #2D9B5F;
    --success-bg: #E6F5EC;
    --warning: #D4920F;
    --warning-bg: #FDF5E6;
    --danger: #D64545;
    --danger-bg: #FCEAEA;
    --info: #3B7EA1;
    --info-bg: #E8F1F7;

    /* 中性色 */
    --bg: #F4F5F7;
    --surface: #FFFFFF;
    --surface-hover: #F8F9FA;
    --border: #E4E7EB;
    --border-light: #F0F1F3;
    --text-primary: #1A1D21;
    --text-secondary: #5C6470;
    --text-tertiary: #8B919B;
    --text-disabled: #B8BCC4;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

    /* 尺寸 */
    --sidebar-width: 248px;
    --sidebar-collapsed: 72px;
    --topbar-height: 60px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;

    /* 过渡 */
    --transition: 0.2s ease;
}

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

html, body {
    height: 100%;
    font-family: 'Microsoft JhengHei', 'PingFang TC', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
svg { display: block; }

/* ===== 布局 ===== */
#app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: var(--sidebar-width);
    background: #1E2330;
    color: #A0A6B0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--transition);
    z-index: 100;
}

.sidebar-header {
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 22px;
    height: 22px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-size: 11px;
    color: #6B7280;
    letter-spacing: 1px;
}

/* 侧边栏导航 */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 10px;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.nav-section {
    margin-bottom: 18px;
}

.nav-section-title {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: #525965;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 12px;
    margin-bottom: 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    color: #9CA3AF;
    transition: all var(--transition);
    margin-bottom: 2px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: #D1D5DB;
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 12px rgba(200,112,42,0.3);
}

.nav-item svg {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: #E5E7EB;
}

.user-role {
    font-size: 11px;
    color: #6B7280;
}

/* ===== 主内容区 ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 顶部栏 */
.topbar {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    padding: 6px;
    color: var(--text-secondary);
}

.menu-toggle svg {
    width: 22px;
    height: 22px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.breadcrumb-home { color: var(--text-tertiary); }
.breadcrumb-sep { color: var(--text-disabled); }
.breadcrumb-current { color: var(--text-primary); font-weight: 600; }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.search-box svg {
    position: absolute;
    left: 12px;
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
}

.search-box input {
    width: 260px;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    background: var(--bg);
    color: var(--text-primary);
    transition: all var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.icon-btn {
    position: relative;
    padding: 8px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.icon-btn:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

.badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 7px;
    height: 7px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--surface);
}

.company-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 16px;
    border-left: 1px solid var(--border);
}

.company-tag {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg);
    padding: 3px 10px;
    border-radius: 20px;
}

.company-status {
    font-size: 12px;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 4px;
}

.company-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* ===== 页面容器 ===== */
.page-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.page-container::-webkit-scrollbar { width: 6px; }
.page-container::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ===== 通用组件 ===== */
.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.page-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* KPI 卡片 */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

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

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.kpi-card.accent-primary::before { background: var(--primary); }
.kpi-card.accent-success::before { background: var(--success); }
.kpi-card.accent-warning::before { background: var(--warning); }
.kpi-card.accent-info::before { background: var(--info); }
.kpi-card.accent-danger::before { background: var(--danger); }

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-icon svg { width: 18px; height: 18px; }

.kpi-icon.bg-primary { background: var(--primary-bg); color: var(--primary); }
.kpi-icon.bg-success { background: var(--success-bg); color: var(--success); }
.kpi-icon.bg-warning { background: var(--warning-bg); color: var(--warning); }
.kpi-icon.bg-info { background: var(--info-bg); color: var(--info); }
.kpi-icon.bg-danger { background: var(--danger-bg); color: var(--danger); }

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.kpi-value .unit {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-tertiary);
    margin-left: 4px;
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }
.kpi-trend.neutral { color: var(--text-tertiary); }

/* 紧凑 KPI 行 (采购管理 / 跟单系统等内页使用) */
.kpi-mini-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.kpi-mini {
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    box-shadow: var(--shadow-xs);
}
.kpi-mini-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}
.kpi-mini-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

/* 更紧凑的水平 KPI 行 (跟单系统占用更小纵向空间) */
.kpi-strip {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-bottom: 12px;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    font-size: 13px;
    overflow: hidden;
}
.kpi-strip-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    padding: 12px 18px;
    flex: 1;
    border-right: 1px solid var(--border-light);
    min-width: 0;
}
.kpi-strip-item:last-child { border-right: none; }
.kpi-strip-item:hover { background: var(--surface-hover); }
.kpi-strip-dot {
    width: 10px; height: 10px; border-radius: 50%; background: var(--primary); flex-shrink: 0;
}
.kpi-strip-label {
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
}
.kpi-strip-value {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 15px;
    margin-left: auto;
    white-space: nowrap;
    letter-spacing: -0.3px;
}

/* 子标签页栏 - 圆角胶囊按钮 */
.sub-tab-bar {
    display: inline-flex;
    gap: 4px;
    margin-bottom: 16px;
    padding: 4px;
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}
.sub-tab {
    padding: 8px 18px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.sub-tab:hover { color: var(--primary); background: var(--surface); }
.sub-tab.active {
    color: #fff;
    background: var(--primary);
    box-shadow: var(--shadow-xs);
}

/* 面板卡片 */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

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

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* 网格布局 */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 24px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 16px; margin-bottom: 24px; }

/* 手機端圖表折疊（桌面端隱藏toggle） */
.mobile-chart-toggle { display: none; }

/* 图表容器 */
.chart-container {
    position: relative;
    height: 280px;
}

.chart-container-sm {
    position: relative;
    height: 220px;
}

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

.data-table thead {
    background: var(--bg);
}

.data-table th {
    text-align: left;
    padding: 10px 16px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

/* 銷售訂單表 - 緊湊模式（列多，減少邊距） */
.data-table.compact th,
.data-table.compact td {
    padding: 10px 8px;
    font-size: 12px;
}
.data-table.compact th { font-size: 11.5px; }

.data-table tbody tr {
    transition: background var(--transition);
}

.data-table tbody tr:hover {
    background: var(--surface-hover);
}

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

/* ===== 採購訂單表格優化（信息完整顯示） ===== */
.po-table th,
.po-table td {
    padding: 10px 10px !important;
    font-size: 13px;
    vertical-align: middle;
}
.po-table thead th {
    padding: 12px 10px !important;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg);
    border-bottom: 2px solid var(--border);
}

/* ===== 採購發票徽章（多發票） ===== */
.invoice-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 8px;
    border-radius: 11px;
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid transparent;
    line-height: 1.4;
}
.invoice-prepay {
    background: #FFF6E5;
    color: #B0700A;
    border-color: #F4CC7A;
}
.invoice-balance {
    background: #E7F5EE;
    color: #1F6B43;
    border-color: #91D6B0;
}
.invoice-other {
    background: #E7F0F6;
    color: #1F4F6B;
    border-color: #8FB8D0;
}

.invoice-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11.5px;
    color: var(--text-tertiary);
    background: var(--bg);
    border: 1px dashed var(--border);
    border-radius: 11px;
    cursor: pointer;
    transition: all 0.18s;
}
.invoice-add-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: #FFF6E5;
}

.invoice-mini-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: 4px;
    border-radius: 50%;
    border: 1px dashed var(--border);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    transition: all 0.18s;
}
.invoice-mini-add:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: #FFF6E5;
}

.invoice-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 20px;
    margin-left: 4px;
    padding: 0 6px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.18s;
}
.invoice-more:hover {
    background: var(--primary-dark, #A0501A);
    transform: scale(1.05);
}

.po-invoice-cell {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    position: relative;
    padding-right: 22px;
}

.po-invoice-line {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    line-height: 1.4;
    font-family: 'Consolas', 'Monaco', monospace;
}

.po-invoice-hint {
    color: var(--success);
    font-weight: 600;
    font-size: 11px;
}

.po-invoice-no {
    color: var(--text-primary);
    font-weight: 500;
}

.po-invoice-cell .invoice-mini-add {
    position: absolute;
    right: 0;
    top: 0;
}

.po-invoice-popover {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.08);
    padding: 12px;
    min-width: 240px;
    max-width: 320px;
    border: 1px solid var(--border);
}
.po-invoice-pop-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    font-size: 12px;
}

.invoice-edit-row select,
.invoice-edit-row input[type="text"],
.invoice-edit-row input[type="number"],
.invoice-edit-row input[type="date"] {
    font-size: 13px !important;
    padding: 7px 10px !important;
}

/* 詳情頁發票摘要 */
.po-invoice-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}


/* 状态标签 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-badge.success { background: var(--success-bg); color: var(--success); }
.status-badge.success::before { background: var(--success); }
.status-badge.warning { background: var(--warning-bg); color: var(--warning); }
.status-badge.warning::before { background: var(--warning); }
.status-badge.danger { background: var(--danger-bg); color: var(--danger); }
.status-badge.danger::before { background: var(--danger); }
.status-badge.info { background: var(--info-bg); color: var(--info); }
.status-badge.info::before { background: var(--info); }
.status-badge.neutral { background: #F0F1F3; color: var(--text-secondary); }
.status-badge.neutral::before { background: var(--text-tertiary); }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(200,112,42,0.3);
}

.btn-outline {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-text {
    padding: 4px 8px;
    color: var(--primary);
    font-size: 12.5px;
}

.btn-text:hover {
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
}

.btn-warning {
    background: #D4920F;
    color: #fff;
    border: none;
}

.btn-warning:hover {
    background: #B87D0A;
    box-shadow: 0 4px 12px rgba(212,146,15,0.3);
}

/* 工具栏 */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* 銷售訂單按鈕組 - 桌面端水平排列 */
.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.toolbar-actions .btn { white-space: nowrap; }

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 500;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-chip.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease;
}

.progress-fill.success { background: var(--success); }
.progress-fill.warning { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }
.progress-fill.primary { background: var(--primary); }
.progress-fill.info { background: var(--info); }

/* 生产流程 */
.production-flow {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    overflow-x: auto;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 120px;
}

.flow-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    border: 2px solid var(--border);
    background: var(--surface);
    color: var(--text-tertiary);
    position: relative;
}

.flow-step.completed .flow-icon {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

.flow-step.active .flow-icon {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 0 4px var(--primary-bg);
}

.flow-step.pending .flow-icon {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text-tertiary);
}

.flow-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

.flow-step.completed .flow-label { color: var(--success); }
.flow-step.active .flow-label { color: var(--primary); font-weight: 600; }

.flow-arrow {
    color: var(--border);
    font-size: 20px;
    flex-shrink: 0;
}

/* 信息列表 */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.info-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.info-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 产品卡片 */
.product-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

/* 纯文字版（无图标）— 仪表板使用 */
.product-card.product-card-text {
    gap: 10px;
    padding: 12px 14px;
}

.product-card-text .product-name {
    font-size: 15px;
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-spec {
    font-size: 12px;
    color: var(--text-tertiary);
}

.product-stock {
    text-align: right;
}

.product-stock-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.product-stock-label {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

/* 合同預覽 modal：大屏佔更多寬度，內嵌 iframe（按 A4 紙張預覽） */
.modal.modal-contract {
    max-width: 920px !important;
    width: 96% !important;
    max-height: 94vh !important;
}
.modal.modal-contract .modal-body {
    padding: 10px !important;
}
.modal.modal-contract .modal-header { padding: 12px 18px !important; }
.modal.modal-contract .modal-footer { padding: 10px 12px !important; }

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 17px;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-size: 20px;
}

.modal-close:hover {
    background: var(--bg);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 銷售訂單詳情佈局（桌面端） */
.so-detail-summary {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
}
.so-detail-id { font-size: 18px; font-weight: 700; color: var(--text-primary); word-break: break-all; }
.so-detail-contract { font-size: 14px; color: #D4920F; font-weight: 600; margin-top: 4px; word-break: break-all; }
.so-detail-total { font-size: 24px; font-weight: 700; color: var(--primary); text-align: right; }
.so-detail-badges { margin-top: 4px; text-align: right; }
.so-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.so-detail-block { margin-top: 20px; }
.so-detail-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}
.so-detail-action { padding: 8px 18px !important; font-size: 13px !important; }
.so-detail-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* 合同號可點擊連結 */
.so-contract-link {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 0.15s;
}
.so-contract-link:hover { opacity: 0.7; }
.so-contract-link:active { opacity: 0.5; }

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--surface);
    transition: all var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* 表單內表格（不被手機端全局隱藏） */
.form-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.form-table th {
    background: var(--bg);
    padding: 8px 6px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.form-table td {
    padding: 6px;
    border-bottom: 1px solid var(--border);
}
.form-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Toast 通知 */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 500;
    min-width: 280px;
    animation: slideInRight 0.3s ease;
    border-left: 4px solid var(--info);
}

.toast.success { border-left-color: var(--success); }
.toast.warning { border-left-color: var(--warning); }
.toast.danger { border-left-color: var(--danger); }

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-tertiary);
}

.empty-state svg {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    opacity: 0.4;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
}

.pagination-info {
    font-size: 12.5px;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    gap: 4px;
}

.page-btn {
    min-width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 0 8px;
}

.page-btn:hover { background: var(--bg); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* 标签 */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg);
    color: var(--text-secondary);
}

.tag.primary { background: var(--primary-bg); color: var(--primary); }
.tag.success { background: var(--success-bg); color: var(--success); }
.tag.warning { background: var(--warning-bg); color: var(--warning); }
.tag.info { background: var(--info-bg); color: var(--info); }

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 18px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -24px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    background: var(--surface);
    z-index: 1;
}

.timeline-item.completed .timeline-dot {
    background: var(--success);
    border-color: var(--success);
}

.timeline-content {
    font-size: 13px;
}

.timeline-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.timeline-time {
    font-size: 11.5px;
    color: var(--text-tertiary);
}

.timeline-desc {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* 响应式 */

/* 側邊欄關閉按鈕（默認隱藏，僅移動端顯示） */
.sidebar-close {
    display: none;
}
.sidebar-close svg {
    display: block;
    width: 0;
    height: 0;
}

@media (max-width: 1200px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2, .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        width: 85%;
        max-width: 320px;
        box-shadow: 4px 0 24px rgba(0,0,0,0.3);
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 200;
    }
    .sidebar.open { left: 0; }
    .sidebar-close {
        position: absolute;
        top: 16px;
        right: 14px;
        width: 36px;
        height: 36px;
        border: none;
        background: rgba(255,255,255,0.08);
        border-radius: 8px;
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 10;
    }
    .sidebar-close svg { display: block; width: 18px; height: 18px; }
    .sidebar-backdrop {
        position: fixed;
        top: 0; left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 150;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
    }
    .sidebar-backdrop.show {
        opacity: 1;
        pointer-events: auto;
    }
    .menu-toggle { display: flex; }
    .kpi-grid { grid-template-columns: 1fr; }
    .company-info { display: none; }
    .search-box { display: none; }

    /* ===== 768px 起：所有移动设备 KPI 竖向堆叠 ===== */
    .kpi-strip {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0 !important;
    }
    .kpi-strip-item {
        flex: none !important;
        width: 100% !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-light) !important;
        padding: 10px 14px !important;
    }
    .kpi-strip-item:last-child { border-bottom: none !important; }
    .kpi-strip-value { font-size: 16px !important; }

    /* ===== 768px 起：强制仅显示移动表格 ===== */
    .data-table,
    table.data-table { display: none !important; }
    .desktop-table-view,
    .desktop-pc-only { display: none !important; }
    .mobile-table-view,
    .mobile-cards-view,
    .mobile-only { display: block !important; }

    /* 視口切換：PC 表格換成移動表格/卡片 */
    .desktop-table-view { display: none !important; }
    .mobile-table-view,
    .mobile-cards-view { display: block !important; }
    .data-table { display: none !important; }

    /* ===== 768px 起：工具欄縱向堆疊，按鈕兩列網格 ===== */
    .toolbar {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
        margin-bottom: 12px !important;
        flex-wrap: nowrap !important;
    }
    .toolbar-left, .toolbar-right {
        width: 100% !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
    }
    .toolbar .form-input { width: 100% !important; }
    /* 主操作按钮（導出/打印/新建）：2列网格 */
    .toolbar > .btn {
        flex: 1 1 calc(50% - 3px) !important;
        min-width: 0 !important;
        max-width: calc(50% - 3px) !important;
        box-sizing: border-box !important;
        justify-content: center !important;
        text-align: center !important;
        padding: 9px 6px !important;
        font-size: 12.5px !important;
    }
    .toolbar > .btn:last-child:nth-child(odd) {
        flex: 1 1 100% !important;
        max-width: 100% !important;
    }
    .filter-chip { font-size: 11px !important; padding: 5px 9px !important; flex: 0 0 auto !important; }

    /* 銷售訂單按鈕組 - 兩行兩列網格 */
    .toolbar-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px !important;
        width: 100%;
    }
    .toolbar-actions .btn {
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        justify-content: center !important;
        text-align: center !important;
        white-space: nowrap;
    }

    /* ===== 768px 起：移动表格布局 ===== */
    .mobile-table-view { display: block !important; }
    .mobile-table-scroll {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        border: 1px solid var(--border-light);
        border-radius: 8px;
    }
    .mobile-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 12.5px;
        min-width: 600px;
    }
    .mobile-table thead th {
        background: var(--bg-secondary);
        color: var(--text-secondary);
        font-weight: 600;
        font-size: 11px;
        padding: 8px 10px;
        text-align: left;
        white-space: nowrap;
        border-bottom: 2px solid var(--border-light);
        position: sticky;
        top: 0;
        z-index: 1;
    }
    .mobile-table tbody td {
        padding: 8px 10px;
        border-bottom: 1px solid var(--border-light);
        vertical-align: top;
        color: var(--text-primary);
    }
    .mobile-table tbody tr:active {
        background: var(--bg-hover);
    }
    .mobile-table .btn-text {
        padding: 2px 4px;
        margin: 0 1px;
    }
}

/* ===== 視口切換輔助類（PC 顯示表格 / 移動顯示卡片） ===== */
.desktop-table-view { display: block; }
.mobile-table-view,
.mobile-cards-view { display: none; }

/* ===== iPhone 16 Pro Max 移動端優化 (max-width: 430px) ===== */
@media (max-width: 430px) {
    :root {
        --topbar-height: 52px;
    }
    /* 主容器和頂部欄 */
    .topbar {
        padding: 0 14px;
        height: 52px;
    }
    .breadcrumb {
        font-size: 12px;
        gap: 6px;
        max-width: 60vw;
        overflow: hidden;
    }
    .breadcrumb-home { display: none; }
    .breadcrumb-sep { display: none; }
    .breadcrumb-current {
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .menu-toggle { padding: 4px; }
    .menu-toggle svg { width: 24px; height: 24px; }
    .topbar-right { gap: 8px; }
    .icon-btn { padding: 6px; }
    .icon-btn svg { width: 20px; height: 20px; }

    /* 頁面內容區 */
    .page-container {
        padding: 14px;
        padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    }
    .page-title { font-size: 17px; }
    .page-desc { font-size: 12px; margin-bottom: 12px; }

    /* KPI 卡片網格 - 跟單頁面使用4列緊湊型 */
    .kpi-grid:not(.kpi-grid-compact) {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 16px;
    }
    .kpi-grid-compact {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
        margin-bottom: 12px !important;
    }
    .kpi-grid-compact .kpi-card {
        padding: 8px 10px !important;
        border-radius: 8px !important;
    }
    .kpi-grid-compact .kpi-label {
        font-size: 10px !important;
    }
    .kpi-grid-compact .kpi-value {
        font-size: 18px !important;
        margin: 2px 0 0 !important;
    }
    .kpi-grid-compact .kpi-value .unit {
        font-size: 10px !important;
    }
    .kpi-card { padding: 12px; border-radius: 10px; }
    .kpi-label { font-size: 11px; }
    .kpi-value { font-size: 22px; margin: 8px 0 6px; }
    .kpi-value .unit { font-size: 11px; margin-left: 3px; }
    .kpi-trend { font-size: 10px; }
    .kpi-icon { width: 32px; height: 32px; }
    .kpi-icon svg { width: 16px; height: 16px; }

    /* 卡片 */
    .card { border-radius: 10px; margin-bottom: 14px; }
    .card-header { padding: 12px 14px; }
    .card-title { font-size: 14px; }
    .card-body { padding: 12px 14px; }

    /* 網格佈局 */
    .grid-2, .grid-2-1, .grid-1-2, .grid-3 { gap: 12px; margin-bottom: 14px; }

    /* 手機端圖表折疊 */
    .mobile-chart-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 16px;
        margin-bottom: 14px;
        background: linear-gradient(135deg, #FAF6EE 0%, #FFFBF2 100%);
        border: 1px solid #E5E0D8;
        border-radius: 10px;
        font-size: 14px;
        font-weight: 600;
        color: #C8702A;
        cursor: pointer;
        user-select: none;
    }
    .mobile-chart-toggle:active { background: #F5F0E5; }
    .mobile-chart-toggle-icon { font-size: 11px; transition: transform 0.2s; }
    .mobile-chart-toggle.expanded .mobile-chart-toggle-icon { transform: rotate(90deg); }
    .mobile-chart-section { display: none !important; }
    .mobile-chart-section.expanded { display: grid !important; }

    /* 工具欄 */
    .toolbar {
        flex-direction: column;
        align-items: stretch !important;
        gap: 10px;
        margin-bottom: 12px;
    }
    .toolbar-left, .toolbar-right { width: 100%; }
    .toolbar-left {
        flex-wrap: wrap;
        gap: 6px;
    }
    .filter-chip {
        font-size: 12px;
        padding: 6px 12px;
    }
    .btn {
        padding: 9px 14px;
        font-size: 13px;
    }
    .btn-sm { padding: 7px 10px; font-size: 12px; }
    .btn-primary, .btn-outline {
        flex: 1;
        min-width: 0;
    }

    /* 視口切換：表格/卡片已在 768px 處理（CSS specificity 足夠） */

    /* 工具欄內搜索框全寬 */
    .toolbar .form-input { width: 100% !important; }
    .toolbar-left .filter-chip { font-size: 11px; padding: 5px 10px; }

    /* 工具欄右側按鈕組 - 改為兩列網格 */
    .toolbar-right { display: flex !important; gap: 6px !important; flex-wrap: wrap !important; }
    .toolbar > .btn { flex: 1 1 calc(50% - 4px) !important; min-width: 0 !important; }

    /* 銷售訂單按鈕組 - 兩行兩列 */
    .toolbar-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        width: 100%;
    }
    .toolbar-actions .btn {
        width: 100%;
        min-width: 0;
        white-space: nowrap;
    }

    /* 子標籤頁面更緊湊 */
    .sub-tab-bar { margin-bottom: 10px; }
    .sub-tab { padding: 6px 14px; font-size: 12.5px; }

    /* 數據表格 - 橫向滾動 */
    .data-table {
        font-size: 12px;
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    .data-table thead { font-size: 11px; }
    .data-table th, .data-table td { padding: 8px 6px; }
    .data-table::-webkit-scrollbar { height: 4px; }
    .data-table::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

    /* 表格卡片視圖包裝 - 橫向滾動提示 */
    .table-card { overflow: hidden; }

    /* 狀態徽章 */
    .status-badge { font-size: 10px; padding: 3px 8px; }

    /* 產品卡片 */
    .product-card { padding: 10px; }
    .product-name { font-size: 13px; }
    .product-spec { font-size: 11px; }
    .product-stock-value { font-size: 14px; }

    /* 時間線 */
    .timeline { padding-left: 16px; }
    .timeline-title { font-size: 12px; }
    .timeline-time { font-size: 10px; }
    .timeline-desc { font-size: 11px; }

    /* 表單 */
    .form-group { margin-bottom: 12px; }
    .form-label { font-size: 12px; margin-bottom: 5px; }
    .form-input, .form-select, .form-textarea {
        padding: 10px 12px;
        font-size: 14px; /* 避免 iOS 縮放 */
    }

    /* 模態框 */
    .modal { padding: 10px; }
    .modal-content {
        max-height: 92vh;
        border-radius: 12px;
    }
    .modal-header {
        padding: 14px 16px;
    }
    .modal-title { font-size: 15px; }
    .modal-body { padding: 14px 16px; }

    /* 模態框內表單網格強制單列（覆蓋內聯grid） */
    .modal-body div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    /* 模態框內表格水平滾動 */
    .modal-body .form-table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .modal-body .form-table th,
    .modal-body .form-table td {
        font-size: 12px;
        padding: 6px 4px;
        white-space: nowrap;
    }
    /* 付款比例輸入框手機端全寬 */
    .modal-body input[id*="advancePct"],
    .modal-body input[id*="midPct"],
    .modal-body input[id*="finalPct"] {
        width: 100% !important;
        max-width: 120px;
    }
    .modal-footer {
        padding: 12px 16px;
        flex-direction: column;
        gap: 10px;
        background: #FAFAFA;
    }
    .modal-footer .btn { width: 100%; }
    .modal-footer .btn-text {
        background: transparent !important;
        border: 1px solid var(--border) !important;
        border-radius: 6px !important;
    }

    /* 銷售訂單詳情 - 移動端單列佈局 + 按鈕分佈下方 */
    .so-detail-summary {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 16px;
        padding-bottom: 14px;
        border-bottom: 1px solid var(--border);
        gap: 12px;
    }
    .so-detail-id { font-size: 15px; font-weight: 700; color: var(--text-primary); word-break: break-all; }
    .so-detail-contract { font-size: 13px; color: #D4920F; font-weight: 600; margin-top: 4px; word-break: break-all; }
    .so-detail-total { font-size: 20px; font-weight: 700; color: var(--primary); text-align: right; }
    .so-detail-badges { margin-top: 4px; text-align: right; }
    .so-detail-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .so-detail-block { margin-top: 16px; }
    .so-detail-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: 20px;
        padding-top: 16px;
        border-top: 1px solid var(--border);
    }
    .so-detail-action {
        width: 100%;
        justify-content: center;
        padding: 12px 16px !important;
        font-size: 14px !important;
    }
    .so-detail-table { font-size: 12px; }
    .so-detail-table th, .so-detail-table td { padding: 8px 6px; }
    .so-detail-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* 合同號可點擊連結 */
.so-contract-link {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 0.15s;
}
.so-contract-link:hover { opacity: 0.7; }
.so-contract-link:active { opacity: 0.5; }

    /* 浮動操作按鈕 */
    .fab {
        position: fixed;
        bottom: calc(20px + env(safe-area-inset-bottom, 0px));
        right: 16px;
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 16px rgba(200, 112, 42, 0.4);
        z-index: 50;
        border: none;
    }

    /* 圖標按鈕 */
    .icon-btn { padding: 6px; }

    /* 分頁 */
    .pagination {
        flex-wrap: wrap;
        gap: 4px;
        justify-content: center;
    }
    .pagination .btn { padding: 6px 10px; font-size: 12px; }

    /* 通知 */
    .toast-container {
        top: 60px;
        left: 12px;
        right: 12px;
        width: auto;
    }
    .toast {
        font-size: 13px;
        padding: 12px 14px;
    }

    /* 空狀態 */
    .empty-state {
        padding: 30px 16px;
        text-align: center;
    }
    .empty-state-icon { font-size: 40px; }
    .empty-state-text { font-size: 13px; }

    /* 圖表容器 */
    .chart-container {
        height: 220px !important;
    }

    /* ===== KPI 條狀圖（橫向排列）改成移動端豎向堆疊 ===== */
    .kpi-strip {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .kpi-strip-item {
        flex: none;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        padding: 10px 14px;
    }
    .kpi-strip-item:last-child { border-bottom: none; }
    .kpi-strip-label { font-size: 12px; }
    .kpi-strip-value { font-size: 14px; }

    /* ===== 強制隱藏數據表格，移動端只顯示卡片 ===== */
    .data-table,
    .data-table thead,
    .data-table tbody,
    .data-table tr { display: none !important; }
    .desktop-table-view { display: none !important; }
    .mobile-cards-view,
    .mobile-table-view { display: block !important; }

    /* ===== 移動端卡片視圖（替代數據表格） ===== */
    .mobile-cards-view {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    /* ===== 財務管理頁面（PAGES.finance）應收/應付卡片 ===== */
    .frecon-mob-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 11px 13px;
        margin-bottom: 10px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    }
    .frecon-mob-head {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 9px;
        padding-bottom: 8px;
        border-bottom: 1px dashed var(--border);
        gap: 8px;
    }
    .frecon-mob-name {
        font-size: 14.5px;
        font-weight: 700;
        color: var(--text-primary);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        flex: 1;
        min-width: 0;
    }
    .frecon-mob-alert {
        display: inline-block;
        padding: 3px 9px;
        font-size: 11px;
        font-weight: 700;
        border-radius: 10px;
        background: rgba(231,76,60,0.12);
        color: #E74C3C;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .frecon-mob-ok {
        display: inline-block;
        padding: 3px 9px;
        font-size: 11px;
        font-weight: 700;
        border-radius: 10px;
        background: rgba(45,155,95,0.12);
        color: var(--success);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .frecon-mob-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 7px 12px;
        margin-bottom: 8px;
    }
    .frecon-mob-grid > div { min-width: 0; }
    .frecon-mob-amount-row {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
        padding: 9px 10px;
        background: linear-gradient(135deg, #FAF6EE 0%, #FFFBF2 100%);
        border-radius: 7px;
        margin: 8px 0;
        border-left: 3px solid var(--primary);
    }
    .frecon-mob-amount-row > div { min-width: 0; }
    .frecon-mob-l {
        font-size: 10.5px;
        color: var(--text-tertiary);
        margin-bottom: 2px;
        letter-spacing: 0.3px;
    }
    .frecon-mob-v {
        font-size: 13px;
        color: var(--text-primary);
        font-weight: 600;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        line-height: 1.3;
    }
    .frecon-mob-btn {
        width: 100%;
        padding: 9px 12px;
        margin-top: 8px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 8px;
        font-size: 13px;
        font-weight: 600;
        cursor: pointer;
        transition: opacity 0.15s, transform 0.15s;
    }
    .frecon-mob-btn:active {
        opacity: 0.85;
        transform: scale(0.99);
    }
    .mobile-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 12px 14px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.04);
        transition: transform 0.15s, box-shadow 0.15s;
    }
    .mobile-card:active {
        transform: scale(0.98);
    }
    .mobile-card-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 8px;
        padding-bottom: 8px;
        border-bottom: 1px dashed var(--border);
    }
    .mobile-card-title {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        display: flex;
        align-items: center;
        gap: 8px;
        flex: 1;
        min-width: 0;
    }
    .mobile-card-title-text {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .mobile-card-code {
        font-family: 'Courier New', monospace;
        font-size: 11px;
        background: var(--bg);
        color: var(--primary);
        padding: 2px 6px;
        border-radius: 4px;
        flex-shrink: 0;
    }
    .mobile-card-row {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        padding: 4px 0;
        font-size: 13px;
        gap: 12px;
    }
    .mobile-card-label {
        color: var(--text-tertiary);
        flex-shrink: 0;
        min-width: 60px;
    }
    .mobile-card-value {
        color: var(--text-primary);
        font-weight: 500;
        text-align: right;
        flex: 1;
        word-break: break-word;
    }
    .mobile-card-value.amount {
        color: var(--primary);
        font-weight: 700;
    }
    .mobile-card-actions {
        display: flex;
        gap: 8px;
        margin-top: 10px;
        padding-top: 10px;
        border-top: 1px dashed var(--border);
    }
    .mobile-card-actions .btn {
        flex: 1;
        padding: 8px 10px;
        font-size: 13px;
    }
    /* 銷售訂單 - 訂單號/合同號分行合併顯示 */
    .so-mobile-card-header {
        align-items: flex-start;
    }
    .so-mobile-id-block {
        display: flex;
        flex-direction: column;
        gap: 2px;
        flex: 1;
        min-width: 0;
    }
    .so-mobile-order-id {
        font-weight: 700;
        color: var(--primary);
        font-size: 15px;
        text-decoration: underline;
        cursor: pointer;
        line-height: 1.3;
    }
    .so-mobile-contract-no {
        font-size: 12px;
        color: #D4920F;
        cursor: pointer;
        line-height: 1.3;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .mobile-card-meta {
        font-size: 11px;
        color: var(--text-tertiary);
    }
    .mobile-card-statusbar {
        display: inline-flex;
        align-items: center;
        font-size: 11px;
        padding: 3px 8px;
        border-radius: 10px;
        background: var(--bg);
        color: var(--text-secondary);
        flex-shrink: 0;
    }

    /* ===== 採購訂單手機端緊湊卡片（v=20260812cv） ===== */
    .po-mob-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding: 12px;
    }
    .po-mob-card {
        background: #fff;
        border: 1px solid #E5E0D8;
        border-radius: 12px;
        padding: 12px;
        box-shadow: 0 1px 4px rgba(74,55,40,0.06);
        cursor: pointer;
        transition: transform 0.15s, box-shadow 0.15s;
    }
    .po-mob-card:active {
        transform: scale(0.99);
        background: #FBF8F2;
    }
    .po-mob-head {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 10px;
        gap: 10px;
    }
    .po-mob-head-l {
        flex: 1;
        min-width: 0;
    }
    .po-mob-id {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.2;
        font-family: 'SF Mono', Monaco, 'Courier New', monospace;
        letter-spacing: -0.3px;
    }
    .po-mob-contract {
        font-size: 11px;
        color: #B8853F;
        margin-top: 3px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .po-mob-status {
        font-size: 11px;
        font-weight: 700;
        padding: 3px 9px;
        border-radius: 12px;
        white-space: nowrap;
        flex-shrink: 0;
        letter-spacing: 0.3px;
    }
    .po-mob-amount-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 9px 12px;
        margin: 8px 0 12px;
        background: linear-gradient(135deg, #FAF6EE 0%, #FFFBF2 100%);
        border-radius: 8px;
        border-left: 3px solid var(--primary);
    }
    .po-mob-amount-label {
        font-size: 11px;
        color: var(--text-tertiary);
        font-weight: 500;
    }
    .po-mob-amount-value {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: -0.3px;
    }
    .po-mob-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px 14px;
        margin-bottom: 10px;
    }
    .po-mob-cell {
        min-width: 0;
    }
    .po-mob-cell-l {
        font-size: 10.5px;
        color: var(--text-tertiary);
        margin-bottom: 2px;
        letter-spacing: 0.3px;
    }
    .po-mob-cell-v {
        font-size: 13px;
        color: var(--text-primary);
        font-weight: 500;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        line-height: 1.3;
    }
    .po-mob-cell-pending {
        color: #C0A285;
        font-style: italic;
    }
    .po-mob-voided {
        color: #999;
        font-size: 10px;
        font-weight: 400;
    }
    .po-mob-foot {
        padding-top: 8px;
        border-top: 1px dashed var(--border-light);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }
    .po-mob-items {
        font-size: 12px;
        color: var(--text-secondary);
        flex: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .po-mob-tags {
        flex-shrink: 0;
    }
    .po-mob-inv-tag {
        display: inline-block;
        padding: 2px 7px;
        font-size: 10px;
        font-weight: 600;
        background: #E8F2FA;
        color: #3B7EA1;
        border-radius: 8px;
        letter-spacing: 0.3px;
    }
    .po-mob-inv-empty {
        background: #F5F0E8;
        color: #B8853F;
    }
}

/* ===== 超小屏 (iPhone SE 等 375px 以下) ===== */
@media (max-width: 375px) {
    .kpi-grid { gap: 8px; }
    .kpi-value { font-size: 19px; }
    .page-container { padding: 12px; }
}

/* ===== 跟單系統：緊湊型 KPI 板（移動端橫向4列） ===== */
.kpi-grid-compact {
    margin-bottom: 14px;
}
.kpi-grid-compact .kpi-card {
    padding: 10px 12px;
    border-radius: 10px;
}
.kpi-grid-compact .kpi-label {
    font-size: 11px;
    margin-bottom: 2px;
}
.kpi-grid-compact .kpi-value {
    font-size: 20px;
    margin: 0;
    letter-spacing: -0.3px;
}
.kpi-grid-compact .kpi-value .unit {
    font-size: 11px;
    margin-left: 2px;
}

/* ===== 跟單工單 mini-table（移動端紧凑表格） ===== */
.ordertrack-mini-table {
    background: var(--surface);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}
.ordertrack-mini-head,
.ordertrack-mini-row {
    display: grid;
    grid-template-columns: 1.1fr 1.3fr 1fr 0.7fr;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
}
.ordertrack-mini-head {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    font-size: 10.5px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.ordertrack-mini-row {
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background 0.15s;
    font-size: 12px;
}
.ordertrack-mini-row:last-child { border-bottom: none; }
.ordertrack-mini-row:active { background: var(--bg-hover); }
.ordertrack-mini-col1 {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
    overflow: hidden;
}
.ordertrack-mo-id {
    color: var(--primary);
    font-weight: 700;
    font-size: 12.5px;
    font-family: 'SF Mono', Monaco, monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ordertrack-cn {
    color: #D4920F;
    font-size: 10.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ordertrack-mini-col2 {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
    overflow: hidden;
}
.ordertrack-product {
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ordertrack-qty {
    color: var(--text-tertiary);
    font-size: 10.5px;
}
.ordertrack-mini-col3 {
    display: flex;
    align-items: center;
    gap: 6px;
}
.ordertrack-progress {
    flex: 1;
    height: 5px;
    background: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
    min-width: 30px;
}
.ordertrack-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--info), var(--primary));
    border-radius: 3px;
    transition: width 0.3s;
}
.ordertrack-pct {
    color: var(--primary);
    font-weight: 600;
    font-size: 10.5px;
    white-space: nowrap;
}
.ordertrack-mini-col4 {
    display: flex;
    justify-content: center;
}

/* 小屏 (≤375px) 进一步压缩 */
@media (max-width: 375px) {
    .kpi-grid-compact { gap: 6px; margin-bottom: 12px; }
    .kpi-grid-compact .kpi-card { padding: 8px 8px; border-radius: 8px; }
    .kpi-grid-compact .kpi-label { font-size: 10px; }
    .kpi-grid-compact .kpi-value { font-size: 17px; }
    .kpi-grid-compact .kpi-value .unit { font-size: 10px; }
    .ordertrack-mini-head,
    .ordertrack-mini-row {
        grid-template-columns: 1fr 1.1fr 0.9fr 0.65fr;
        gap: 4px;
        padding: 7px 8px;
    }
    .ordertrack-mo-id { font-size: 11.5px; }
    .ordertrack-cn { font-size: 10px; }
    .ordertrack-product { font-size: 11.5px; }
    .ordertrack-qty { font-size: 10px; }
    .ordertrack-pct { font-size: 10px; }
}