/* ============================================
   卡曼报关 AI Agent - 企业级样式表
   ============================================ */

:root {
    /* 主色调 */
    --primary: #1a56db;
    --primary-hover: #1e40af;
    --primary-light: #e8f0fe;
    --primary-bg: #eff6ff;

    /* 表面色 */
    --bg: #f3f4f6;
    --surface: #ffffff;
    --surface-hover: #f9fafb;
    --surface-secondary: #f8fafc;

    /* 侧边栏 */
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-active: #1a56db;
    --sidebar-text: #94a3b8;
    --sidebar-text-active: #ffffff;

    /* 文字 */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;

    /* 边框 */
    --border: #e5e7eb;
    --border-focus: #1a56db;

    /* 状态色 */
    --success: #059669;
    --success-bg: #ecfdf5;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --error: #dc2626;
    --error-bg: #fef2f2;
    --info: #0891b2;
    --info-bg: #ecfeff;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,.1), 0 10px 10px rgba(0,0,0,.04);

    /* 圆角 */
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* 过渡 */
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
    --transition-slow: 0.3s cubic-bezier(.4,0,.2,1);

    /* 字体 */
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: "SF Mono", "Cascadia Code", "Fira Code", monospace;

    /* 布局 */
    --sidebar-w: 240px;
    --header-h: 64px;
}

/* 深色模式 */
[data-theme="dark"] {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface-hover: #334155;
    --surface-secondary: #1a2332;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --border-focus: #3b82f6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
    --shadow: 0 1px 3px rgba(0,0,0,.4);
    --shadow-md: 0 4px 6px rgba(0,0,0,.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.5);
    --shadow-xl: 0 20px 25px rgba(0,0,0,.5);
    --primary-light: #1e3a5f;
    --primary-bg: #172033;
}

/* ============================================
   基础重置
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================
   应用布局
   ============================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition-slow);
    overflow-y: auto;
    will-change: transform;
    transform: translateZ(0);
    -webkit-overflow-scrolling: touch;
}

.sidebar-logo {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-logo .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    flex-shrink: 0;
    object-fit: cover;
}

.sidebar-logo .logo-text {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.5px;
}

.sidebar-logo .logo-sub {
    font-size: 11px;
    color: var(--sidebar-text);
    margin-top: -2px;
}

.sidebar-nav {
    padding: 12px 12px;
    flex: 1;
}

.sidebar-nav .nav-section {
    margin-bottom: 8px;
}

.sidebar-nav .nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--sidebar-text);
    padding: 8px 12px 6px;
    opacity: .6;
}

.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    font-size: 14px;
    color: var(--sidebar-text);
    font-weight: 500;
    user-select: none;
    position: relative;
}

.sidebar-nav .nav-item:hover {
    background: var(--sidebar-hover);
    color: #e2e8f0;
}

.sidebar-nav .nav-item.active {
    background: var(--sidebar-active);
    color: var(--sidebar-text-active);
    font-weight: 600;
}

.sidebar-nav .nav-item .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-nav .nav-item .nav-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,.08);
}

/* 主内容 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-width: 0;
    display: flex;
    flex-direction: column;
    contain: layout style;
}

.top-bar {
    height: var(--header-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    will-change: transform;
    transform: translateZ(0);
}

.top-bar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-content {
    padding: 24px;
    flex: 1;
}

/* Tab 面板切换动画 */
.tab-panel {
    animation: panelFadeIn .25s ease;
    contain: layout style;
}

@keyframes panelFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover { background: var(--surface-hover); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

/* ============================================
   卡片
   ============================================ */
.card {
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
    contain: layout style;
}

.card:hover { box-shadow: var(--shadow); }

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.card-header h2 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header .card-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
}

.card-body {
    padding: 20px;
}

.card-body-flush {
    padding: 0;
}

.card-body-search {
    padding: 12px 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: var(--surface-secondary);
}

/* 表格可滚动容器 */
.table-scroll-sm { max-height: 40vh; overflow-y: auto; }
.table-scroll-md { max-height: 50vh; overflow-y: auto; }
.table-scroll-lg { max-height: 55vh; overflow-y: auto; }

/* ============================================
   按钮
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition), transform .15s ease;
    border: 1px solid transparent;
    white-space: nowrap;
    user-select: none;
    letter-spacing: 0.2px;
}

.btn:active { transform: scale(.97); }

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

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

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--text-muted);
}

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

.btn-success:hover { opacity: 0.9; }

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

.btn-danger:hover { opacity: 0.9; }

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

.btn-outline:hover {
    background: var(--primary-light);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 6px 10px;
}

.btn-ghost:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 15px; }
.btn-block { width: 100%; }
.btn-icon { width: 36px; height: 36px; padding: 0; }

.btn:disabled {
    opacity: .5;
    cursor: not-allowed;
    pointer-events: none;
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--surface);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-input-search {
    max-width: 320px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 36px;
    cursor: pointer;
}

/* ============================================
   表格
   ============================================ */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateZ(0);
}

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

.table thead th {
    background: var(--surface-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 14px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
}

.table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    line-height: 1.4;
}

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

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

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

.table-striped tbody tr:nth-child(even) {
    background: var(--surface-secondary);
}

.table-sm thead th,
.table-sm tbody td {
    padding: 8px 12px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--border);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.empty-state p {
    font-size: 13px;
    margin-bottom: 16px;
}

/* ============================================
   标签
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* 需人工确认徽标（歧义/低置信度时展示） */
.badge-review {
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    padding: 1px 8px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(217, 119, 6, 0.12);
    color: var(--warning);
    border: 1px solid rgba(217, 119, 6, 0.35);
}

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

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: box-shadow var(--transition), transform var(--transition);
    contain: layout style;
    transform: translateZ(0);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card .stat-icon.blue { background: var(--primary-bg); color: var(--primary); }
.stat-card .stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-card .stat-icon.amber { background: var(--warning-bg); color: var(--warning); }
.stat-card .stat-icon.red { background: var(--error-bg); color: var(--error); }

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ============================================
   上传区域
   ============================================ */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    background: var(--surface-secondary);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.upload-zone svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.upload-zone .upload-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.upload-zone .upload-hint {
    font-size: 13px;
    color: var(--text-muted);
}

.upload-zone input[type="file"] {
    display: none;
}

/* ============================================
   弹窗（自定义）
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
    backdrop-filter: blur(2px);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: translateY(8px) scale(.97);
    transition: transform var(--transition-slow);
    will-change: transform;
}

.modal-overlay.open .modal {
    transform: translateY(0) scale(1);
}

.modal.modal-sm { max-width: 420px; }
.modal.modal-lg { max-width: 720px; }
.modal.modal-xl { max-width: 960px; }

.modal-header {
    padding: 20px 24px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
}

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

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

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

/* ============================================
   自定义下拉
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: opacity var(--transition), transform var(--transition);
    max-height: 240px;
    overflow-y: auto;
}

.dropdown-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.dropdown-menu.drop-up {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 4px;
    transform: translateY(4px);
}

.dropdown-menu.drop-up.open {
    transform: translateY(0);
}

.dropdown-item {
    padding: 9px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: background var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.dropdown-item:hover { background: var(--surface-hover); }
.dropdown-item.active { background: var(--primary-bg); color: var(--primary); font-weight: 500; }

/* ============================================
   Toast通知
   ============================================ */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
    max-width: 420px;
    pointer-events: auto;
    animation: toastIn .3s ease;
}

.toast.toast-out { animation: toastOut .2s ease forwards; }

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--error); }
.toast-warning { border-left: 3px solid var(--warning); }
.toast-info { border-left: 3px solid var(--info); }

.toast-icon { flex-shrink: 0; width: 20px; height: 20px; }

.toast-message {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
}

.toast-close {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: 4px;
}

.toast-close:hover { color: var(--text-primary); }

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

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

/* ============================================
   加载状态
   ============================================ */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .6s linear infinite;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

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

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

.progress-bar .progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 100px;
    transition: width .3s ease;
}

/* ============================================
   分页
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
    margin-top: 16px;
}

.pagination .page-btn {
    min-width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    font-family: var(--font);
}

.pagination .page-btn:hover:not(:disabled) {
    background: var(--surface-hover);
    border-color: var(--primary);
}

.pagination .page-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.pagination .page-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
}

.pagination .page-info {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 0 8px;
}

/* ============================================
   搜索栏
   ============================================ */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-bar .form-input {
    max-width: 300px;
}

/* ============================================
   工具栏
   ============================================ */
.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.toolbar-spacer { flex: 1; }

/* ============================================
   复选卡片
   ============================================ */
.check-card {
    position: relative;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.check-card:hover { border-color: var(--primary); }
.check-card.selected {
    border-color: var(--primary);
    background: var(--primary-bg);
}

/* ============================================
   结果面板
   ============================================ */
.result-summary {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
}

.result-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.result-item .dot.green { background: var(--success); }
.result-item .dot.red { background: var(--error); }
.result-item .dot.amber { background: var(--warning); }

/* ============================================
   主题切换
   ============================================ */
.theme-toggle {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition);
}

.theme-toggle:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

/* ============================================
   滚动条
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.open {
        display: block;
        opacity: 1;
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle { display: flex; }

    .page-content {
        padding: 16px;
    }

    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 14px;
    }

    .stat-card .stat-value {
        font-size: 20px;
    }

    .table thead { display: none; }

    .table tbody td {
        display: block;
        text-align: right;
        padding: 8px 12px;
        position: relative;
    }

    .table tbody td::before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--text-secondary);
        font-size: 12px;
    }

    .table tbody tr {
        display: block;
        margin-bottom: 12px;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar .form-input {
        max-width: 100%;
    }

    .modal {
        width: 95%;
        max-height: 90vh;
    }

    .top-bar {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .stats-row {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================
   登录页（左右分栏 · 企业级）
   ============================================ */
.login-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    background: #f7f8fa;
    animation: loginFadeIn .4s ease;
}

/* ---- 左侧品牌区 ---- */
.login-hero {
    position: relative;
    flex: 0 0 65%;
    min-width: 0;
    background: linear-gradient(135deg, #0b1526 0%, #0f1d3a 45%, #14284f 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 64px 72px;
}

/* 细网格氛围 */
.login-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .06) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse at 30% 40%, #000 30%, transparent 78%);
    mask-image: radial-gradient(ellipse at 30% 40%, #000 30%, transparent 78%);
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
}

.hero-glow-1 { width: 480px; height: 480px; top: -140px; left: -120px; background: rgba(37, 99, 235, .30); }
.hero-glow-2 { width: 420px; height: 420px; bottom: -160px; right: -80px; background: rgba(124, 58, 237, .22); }
.hero-glow-3 { width: 260px; height: 260px; top: 42%; right: 16%; background: rgba(6, 182, 212, .14); }

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 560px;
}

.hero-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 46px;
}

.hero-brand .logo-icon {
    width: 40px;
    height: 40px;
}

.hero-brand-name {
    font-size: 20px;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 40px;
    line-height: 1.3;
    font-weight: 700;
    color: #f8fafc;
    margin: 0 0 10px;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: #93c5fd;
    margin: 0 0 22px;
    letter-spacing: .5px;
}

.hero-desc {
    font-size: 14px;
    line-height: 1.9;
    color: #94a3b8;
    margin: 0 0 40px;
}

.hero-features {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid rgba(148, 163, 184, .18);
    border-radius: 100px;
    background: rgba(255, 255, 255, .04);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-size: 12px;
    color: #cbd5e1;
}

.hero-feature svg { color: #60a5fa; }

.hero-footer {
    position: absolute;
    left: 72px;
    right: 72px;
    bottom: 28px;
    font-size: 12px;
    color: #475569;
    letter-spacing: .5px;
}

/* ---- 右侧登录区 ---- */
.login-panel {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
}

.login-form-wrap { width: 360px; max-width: 100%; }

.login-brand {
    text-align: center;
    margin-bottom: 34px;
}

.login-brand .logo-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 14px;
}

.login-brand-title {
    font-size: 26px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.login-brand-sub {
    font-size: 13px;
    color: #64748b;
}

.login-form-wrap .form-group { margin-bottom: 18px; }

.login-form-wrap .form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #334155;
    margin-bottom: 8px;
}

.login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-wrap > svg {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: #94a3b8;
    pointer-events: none;
}

.login-input {
    width: 100%;
    height: 48px;
    padding: 0 44px 0 42px;
    border: 1px solid #dbe1ea;
    border-radius: 12px;
    background: #ffffff;
    font-size: 14px;
    color: #0f172a;
    outline: none;
    box-sizing: border-box;
    transition: border-color .2s cubic-bezier(.4,0,.2,1), box-shadow .2s cubic-bezier(.4,0,.2,1);
    font-family: var(--font);
}

.login-input::placeholder { color: #a5b0bf; }

.login-input:focus {
    border-color: #1a56db;
    box-shadow: 0 0 0 3px rgba(26, 86, 219, .12);
}

.login-toggle-pwd {
    position: absolute;
    right: 8px;
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    border-radius: 8px;
    transition: background var(--transition), color var(--transition);
}

.login-toggle-pwd:hover {
    color: #334155;
    background: #f1f5f9;
}

.login-error {
    display: none;
    color: #dc2626;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 14px;
    padding: 8px 12px;
    background: #fef2f2;
    border-radius: 8px;
    text-align: left;
}

.btn-login {
    width: 100%;
    height: 48px;
    margin-top: 6px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 55%, #3b82f6 100%);
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    box-shadow: 0 6px 16px rgba(37, 99, 235, .28);
    transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}

.btn-login:hover:not(:disabled) {
    filter: brightness(1.06);
    box-shadow: 0 8px 20px rgba(37, 99, 235, .36);
    transform: translateY(-1px);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(37, 99, 235, .24);
}

.btn-login:disabled {
    opacity: .7;
    cursor: not-allowed;
}

.login-tip {
    margin-top: 26px;
    text-align: center;
    font-size: 12px;
    color: #94a3b8;
}

/* 移动端：隐藏品牌区，登录面板全屏 */
@media (max-width: 900px) {
    .login-hero { display: none; }
}

@keyframes loginFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}