/* AI客户管理系统 - 通用样式文件 */
:root {
    /* 主色调 */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #8b5cf6;
    --secondary-dark: #7c3aed;
    --secondary-light: #a78bfa;
    
    /* 功能色 */
    --accent-color: #06b6d4;
    --accent-dark: #0891b2;
    --accent-light: #22d3ee;
    --success-color: #10b981;
    --success-dark: #059669;
    --success-light: #34d399;
    --warning-color: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fbbf24;
    --danger-color: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #f87171;
    --info-color: #3b82f6;
    --info-dark: #2563eb;
    --info-light: #60a5fa;
    
    /* 灰度色 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);    

    /* 圆角 */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --border-radius-2xl: 24px;
    --border-radius-full: 9999px;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* 字体大小 */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;

    /* 字体权重 */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* 行高 */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* 过渡动画 */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: var(--line-height-normal);
    color: var(--gray-900);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    font-weight: var(--font-weight-normal);
}

/* Mobile: hide admin-only entry points */
@media (max-width: 768px) {
    .admin-entry {
        display: none !important;
    }
}

/* 页面头部样式 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--gray-300);
    box-shadow: var(--shadow-md);
}

.page-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-title i {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
}

/* 功能网格 */
.function-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 576px) {
    .function-grid {
        grid-template-columns: 1fr;
    }
}

/* 响应式表格外层容器 */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}


.function-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    text-decoration: none;
    color: var(--gray-900);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.function-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.function-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.function-card i {
    font-size: var(--font-size-4xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: block;
}

.function-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.function-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* 统计信息 */
.stats-section {
    margin-bottom: var(--spacing-2xl);
}

.stats-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

@media (max-width: 768px) {
    .stats-title {
        font-size: var(--font-size-xl);
    }
    .stat-number {
        font-size: var(--font-size-2xl) !important;
    }
}


.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stats-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.stats-card:hover {
    transform: translateY(-4px);
}

.stats-number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0;
    display: inline;
}

.stats-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    display: inline;
    margin-left: var(--spacing-xs);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* 快速操作 */
.quick-actions {
    margin-bottom: var(--spacing-2xl);
}

.quick-actions-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.quick-action-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    text-decoration: none;
    color: var(--gray-900);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.quick-action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.quick-action-card i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

.quick-action-card span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* 最近活动 */
.recent-activities {
    margin-bottom: var(--spacing-2xl);
}

.recent-activities-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.activity-list {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.activity-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: background-color var(--transition-fast);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item:hover {
    background-color: var(--gray-50);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: white;
    flex-shrink: 0;
}

.activity-icon.info {
    background: var(--info-color);
}

.activity-icon.success {
    background: var(--success-color);
}

.activity-icon.warning {
    background: var(--warning-color);
}

.activity-icon.danger {
    background: var(--danger-color);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.activity-description {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* 内容卡片 */
.content-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background-color: var(--gray-50);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: var(--spacing-xs);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
    border-color: var(--gray-400);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-dark));
    color: white;
    border-color: var(--success-color);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--success-dark), var(--success-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), var(--warning-dark));
    color: white;
    border-color: var(--warning-color);
}

.btn-warning:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--warning-dark), var(--warning-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-dark));
    color: white;
    border-color: var(--danger-color);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--danger-dark), var(--danger-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color), var(--info-dark));
    color: white;
    border-color: var(--info-color);
}

.btn-info:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--info-dark), var(--info-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 按钮尺寸优化 */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
}

/* 轮廓按钮样式优化 */
.btn-outline-primary {
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-warning {
    color: var(--warning-color);
    border: 1.5px solid var(--warning-color);
    background: transparent;
}

.btn-outline-warning:hover:not(:disabled) {
    background: var(--warning-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-danger {
    color: var(--danger-color);
    border: 1.5px solid var(--danger-color);
    background: transparent;
}

.btn-outline-danger:hover:not(:disabled) {
    background: var(--danger-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* 操作按钮组样式 */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.action-buttons .btn {
    min-width: auto;
    white-space: nowrap;
}

/* 表格操作列按钮优化 */
.table td .btn {
    margin: 0 0.25rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.table td .btn i {
    font-size: 0.875rem;
}

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

.btn-outline-primary:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

.btn-outline-secondary {
    background: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}

.btn-outline-secondary:hover:not(:disabled) {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

/* 表单样式 */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    background-color: white;
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 徽章样式 */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.bg-secondary {
    background-color: var(--secondary-color);
    color: white;
}

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

.bg-warning {
    background-color: var(--warning-color);
    color: white;
}

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

.bg-info {
    background-color: var(--info-color);
    color: white;
}

/* 进度条 */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--gray-200);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-normal);
}

/* 自定义模态框样式 */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

/* Bootstrap模态框样式覆盖 */
.modal-dialog {
    max-width: 1200px;
    margin: 1.75rem auto;
}

.modal-dialog.modal-xl {
    max-width: 1400px;
}

.modal-content {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: none;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* 模态框最大宽度限制：窗口宽度的70% */
.modal-dialog-max-70 {
    max-width: 70vw;
    width: 70%;
    margin: 20px auto !important;
    z-index: 9999 !important; /* 确保模态框显示在最上层 */
    position: relative !important;
}

/* 确保模态框始终显示在最上层 */
.modal.show {
    z-index: 9999 !important;
}

/* 修复遮罩层问题 */
.modal-backdrop {
    z-index: 9998 !important;
}

/* 小屏幕响应式处理 */
@media (max-width: 768px) {
    .modal-dialog-max-70 {
        max-width: 95vw;
        width: 95%;
        margin: 0.5rem auto;
    }
}

/* 客户详情模态框内容优化 */
#customerDetailContent {
    padding: 1rem 0;
}

#customerDetailContent .row {
    margin-bottom: 1.5rem;
}

#customerDetailContent h6 {
    color: #495057;
    font-weight: 600;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

#customerDetailContent p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

#customerDetailContent strong {
    color: #212529;
    min-width: 100px;
    display: inline-block;
}

/* 表单样式优化 */
.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: var(--font-size-sm);
}

.form-label:has(+ input[required]),
.form-label:has(+ select[required]),
.form-label:has(+ textarea[required]) {
    position: relative;
}

/* 必填字段标识 - 使用更兼容的方式 */
.form-label.required::after,
.form-label:has(+ input[required])::after,
.form-label:has(+ select[required])::after,
.form-label:has(+ textarea[required])::after {
    content: ' *';
    color: var(--danger-color);
    font-weight: var(--font-weight-bold);
    margin-left: 0.25rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
    outline: 0;
}

.form-control,
.form-select {
    border: 1.5px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    padding: 0.625rem 0.75rem;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.form-control:hover,
.form-select:hover {
    border-color: var(--gray-400);
}

/* 模态框头部优化 */
.modal-header {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    border-bottom: 2px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
}

.modal-title {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    font-size: var(--font-size-lg);
}

/* 模态框底部按钮优化 */
.modal-footer {
    background: var(--gray-50);
    border-top: 2px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.modal-footer .btn {
    min-width: 100px;
    padding: 0.625rem 1.25rem;
    font-weight: var(--font-weight-medium);
}

/* 操作按钮区域优化 */
.operation-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.operation-buttons .btn {
    padding: 0.625rem 1.25rem;
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.operation-buttons .btn:hover:not(:disabled) {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* 批量操作按钮样式 */
.btn-batch {
    position: relative;
}

.btn-batch .badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: var(--gray-900);
    color: white;
    text-align: center;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-xs);
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-size: var(--font-size-xs);
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .function-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quick-actions-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .modal-dialog {
        width: 95%;
        margin: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-card {
        padding: var(--spacing-md);
    }
    
    .function-card {
        padding: var(--spacing-lg);
    }
}

/* 团队协作页面样式 */
.team-members-container {
    margin-bottom: var(--spacing-lg);
}

.team-members-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

.team-members-scroll::-webkit-scrollbar {
    height: 6px;
}

.team-members-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.team-members-scroll::-webkit-scrollbar-thumb {
    background-color: var(--gray-300);
    border-radius: var(--border-radius-full);
}

.team-member-card {
    flex: 0 0 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
}

.team-member-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.team-member-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--spacing-sm);
}

.team-member-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.team-member-position {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.team-member-actions {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
}

/* 表格内容截断 */
.table-cell-truncate {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: relative;
}

.table-cell-truncate::after {
    content: attr(data-full-text);
    position: absolute;
    bottom: 100%;
    left: 0;
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    white-space: normal;
    word-wrap: break-word;
    max-width: 300px;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.table-cell-truncate:hover::after {
    opacity: 1;
}

/* AI聊天页面样式 */
.chat-main-container {
    display: flex;
    height: calc(100vh - 120px);
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.chat-sidebar {
    width: 280px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.chat-sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.chat-sidebar::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -50px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(-50%) rotate(0deg); 
        opacity: 0.3;
    }
    50% { 
        transform: translateY(-60%) rotate(180deg); 
        opacity: 0.1;
    }
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.sidebar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse 2s infinite;
}

.status-indicator.online {
    background: #10b981;
}

.status-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

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

/* 当前对话部分 */
.current-chat-section {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.current-chat-section h6 {
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.current-chat-section h6::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), transparent);
}

.current-chat-info {
    margin-top: var(--spacing-sm);
}

.current-chat-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.current-chat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.current-chat-item.active {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.current-chat-item i {
    font-size: var(--font-size-sm);
    color: #10b981;
}

.chat-history {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    position: relative;
    z-index: 1;
}

.chat-history h6 {
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.chat-history h6::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), transparent);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.history-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid transparent;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.history-item.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.history-item i {
    font-size: var(--font-size-sm);
}

/* 内联快速操作 - 放在标题右侧 */
.quick-actions-inline {
    position: relative;
}

.quick-actions-header-inline {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.quick-actions-header-inline:hover {
    background: white;
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.quick-actions-header-inline i {
    font-size: var(--font-size-sm);
}

.toggle-icon {
    transition: transform var(--transition-normal);
    font-size: var(--font-size-xs);
}

.quick-actions-content-inline {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-md);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 600px;
    z-index: 1000;
    transition: all var(--transition-normal);
    overflow: hidden;
    max-height: 500px;
    overflow-y: auto;
}

.quick-actions-content-inline.collapsed {
    display: none;
}

.quick-actions-grid-inline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.quick-action-btn-inline {
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.quick-action-btn-inline:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn-inline i {
    font-size: var(--font-size-sm);
}

/* 侧边栏快速操作 */
.quick-actions-sidebar {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.quick-actions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    margin-bottom: var(--spacing-sm);
}

.quick-actions-header:hover {
    background: rgba(255, 255, 255, 0.1);
}

.toggle-icon {
    transition: transform var(--transition-normal);
    font-size: var(--font-size-sm);
}

.quick-actions-content {
    transition: all var(--transition-normal);
    overflow: hidden;
}

.quick-actions-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
}

.quick-action-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    text-align: left;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.quick-action-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateX(4px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quick-action-btn i {
    font-size: var(--font-size-sm);
    width: 16px;
    text-align: center;
}

.chat-main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: transparent;
    border: none;
}

.chat-header {
    padding: calc(var(--spacing-lg) / 2);
    border-bottom: 1px solid var(--gray-200);
    background: white;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.chat-title {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-md) / 2);
}

.chat-title h6 {
    font-size: var(--font-size-sm);
    margin-bottom: 0;
    line-height: 1.2;
}

.chat-title small {
    font-size: var(--font-size-xs);
    line-height: 1.2;
}

.ai-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow);
}

.chat-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.chat-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    background: transparent;
    border: none;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 100%;
    width: 100%;
    margin: 0;
    padding: 0 var(--spacing-lg);
}

.message {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-md);
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.message.user .message-avatar {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.message.ai .message-avatar {
    background: linear-gradient(135deg, #10b981, #06b6d4);
}

.message-content {
    max-width: 85%;
    position: relative;
}

.message-bubble {
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.message-bubble:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.message.user .message-bubble {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}

.message.user .message-bubble:hover {
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.message-bubble::before {
    content: '';
    position: absolute;
    top: 12px;
    width: 0;
    height: 0;
    border: 8px solid transparent;
}

.message.ai .message-bubble::before {
    left: -16px;
    border-right-color: white;
    border-left: none;
}

.message.user .message-bubble::before {
    right: -16px;
    border-left-color: #3b82f6;
    border-right: none;
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
    text-align: right;
}

.message.user .message-time {
    color: rgba(255, 255, 255, 0.7);
}

/* 欢迎消息样式 */
.welcome-content {
    text-align: center;
}

.welcome-title {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.capabilities {
    margin: var(--spacing-lg) 0;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.capability-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.capability-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.capability-item i {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.capability-item:hover i {
    color: white;
}

.welcome-footer {
    margin-top: var(--spacing-lg);
    font-style: italic;
    color: var(--gray-600);
}

/* 输入区域样式 */
.chat-input-area {
    padding: var(--spacing-lg);
    background: white;
    border-top: 1px solid var(--gray-200);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.input-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-direction: column;
}

.input-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.chat-input {
    flex: 1;
    min-height: 44px;
    max-height: 120px;
    resize: none;
    border: 2px solid var(--gray-200);
    border-radius: 22px;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-md);
    transition: all var(--transition-normal);
    background: #f8fafc;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow);
}

.send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.send-btn:active {
    transform: scale(0.95);
}

/* 正在输入指示器 */
.typing-indicator .message-bubble {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid var(--gray-200);
    padding: 16px 20px;
}

.typing-dots {
    display: flex;
    gap: 6px;
    align-items: center;
    padding: 4px 0;
}

.typing-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    animation: typingDot 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }
.typing-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes typingDot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chat-main-container {
        height: calc(100vh - 100px);
        flex-direction: column;
    }
    
    .chat-sidebar {
        width: 100%;
        height: auto;
        max-height: 200px;
        order: 2;
    }
    
    .chat-main-area {
        order: 1;
        height: calc(100vh - 200px);
    }
    
    .quick-actions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .quick-action-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .capability-grid {
        grid-template-columns: 1fr;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .chat-input-area {
        padding: var(--spacing-md);
    }
    
    .input-actions {
        flex-direction: row;
    }
    
    .team-member-card {
        flex: 0 0 150px;
    }
    
    .table-cell-truncate {
        max-width: 100px;
    }
}

/* 首页样式 */
.main-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 3rem;
}

.header h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.function-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
}

.function-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.function-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.function-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.function-desc {
    color: #6c757d;
    line-height: 1.6;
    font-size: 1rem;
}

/* 文件上传区域样式 */
.file-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--gray-50);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.file-upload-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
}

.file-upload-content {
    pointer-events: none;
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.file-upload-area h6 {
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.file-upload-area p {
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* 首页响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }
    
    .function-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .main-container {
        padding: 1rem;
    }
}

/* ========== AI智能推荐内容生成样式 ========== */

/* 推荐报告预览样式 */
.report-preview {
    max-height: 600px;
    overflow-y: auto;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.report-header {
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid #dee2e6;
}

.report-header h3 {
    color: #212529;
    margin-bottom: 0.5rem;
}

.report-item {
    background-color: #ffffff;
    transition: box-shadow 0.2s;
}

.report-item:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.report-footer {
    text-align: center;
    color: #6c757d;
}

/* 模板预览样式 */
.template-preview {
    max-height: 500px;
    overflow-y: auto;
    padding: 1rem;
}

.template-pro {
    border-radius: 24px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 25px 80px rgba(15, 23, 42, 0.08);
    background: #ffffff;
    padding: 1.75rem;
    color: #0f172a;
}

.template-pro__hero {
    background: linear-gradient(120deg, #4338ca, #6366f1);
    color: #fff;
    border-radius: 20px;
    padding: 1.75rem;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.template-pro__meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 220px;
    font-size: 0.9rem;
}

.template-pro__meta-item {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 0.4rem 1rem;
}

.template-pro__body {
    margin-top: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.template-pro__section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: #f8fafc;
    border-radius: 18px;
    padding: 1.5rem;
}

.template-label {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    color: #94a3b8;
    margin-bottom: 0.35rem;
}

.template-pro__highlights {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
    display: grid;
    gap: 1rem;
}

.template-pro__highlights li {
    background: #fff;
    border-radius: 14px;
    padding: 1rem 1.25rem;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.template-pro__highlights span {
    font-weight: 600;
    color: #0f172a;
}

.template-pro__highlights p {
    margin-bottom: 0;
    color: #475569;
}

.template-pro__cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.template-pro__card {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 18px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

.template-pro__card-head {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.card-index {
    font-weight: 700;
    font-size: 1.1rem;
    color: #6366f1;
}

.template-pro__card-content {
    color: #475569;
    margin-bottom: 0;
}

.template-pro__card-footer {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: #475569;
}

.template-pro__card-footer span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.priority-tag {
    padding: 0.2rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.priority-high {
    background: rgba(248, 113, 113, 0.15);
    color: #b91c1c;
}

.priority-medium {
    background: rgba(251, 191, 36, 0.15);
    color: #92400e;
}

.priority-low {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
}

.template-pro__cta {
    background: #0f172a;
    color: #fff;
    border-radius: 18px;
    padding: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1.5rem;
}

.template-pro__cta-note {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 1rem 1.25rem;
    min-width: 220px;
}

.template-pro__footer {
    font-size: 0.85rem;
}

.template-pro--sms {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.business-card-pro {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 0 auto 1.5rem;
    max-width: 960px;
}

.business-card-pro--stacked {
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

.business-card-pro__front,
.business-card-pro__back {
    border-radius: 28px;
    padding: clamp(1.5rem, 3vw, 2.6rem);
    min-height: clamp(280px, 32vh, 360px);
    aspect-ratio: 5 / 3;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.business-card-pro__front {
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: #fff;
    box-shadow: 0 25px 80px rgba(15, 23, 42, 0.55);
}

.business-card-pro__back {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
}

.business-card-pro__badge {
    display: inline-flex;
    align-self: flex-start;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    font-weight: 600;
    font-size: 0.85rem;
}

.business-card-pro__name {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.business-card-pro__role {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.business-card-pro__company {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.business-card-pro__tagline {
    margin-top: 0.5rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.92);
}

.business-card-pro__priority {
    margin-top: auto;
    text-align: right;
}

.business-card-pro__priority span {
    display: inline-flex;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
}

.business-detail {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.business-detail .label {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: #94a3b8;
    text-transform: uppercase;
}

.business-detail .value {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
}

.business-card-pro__notes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.business-card-pro__notes .note {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 18px;
    padding: 1rem 1.25rem;
    background: #fff;
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.05);
}

.business-card-pro__notes .note-label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: #475569;
    text-transform: uppercase;
}

/* 祝福贺卡商业化风格 */
.greeting-card-pro {
    border-radius: 26px;
    padding: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.25), transparent 45%),
        linear-gradient(135deg, #0f1628 0%, #111a2f 45%, #04070d 100%);
    color: #f8fafc;
    box-shadow: 0 30px 80px rgba(6, 9, 20, 0.55);
    position: relative;
    overflow: hidden;
}

.greeting-card-pro::after {
    content: "";
    position: absolute;
    inset: 24px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.greeting-card-pro__glow {
    position: absolute;
    width: 320px;
    height: 320px;
    top: -80px;
    right: -60px;
    background: radial-gradient(circle, rgba(88, 190, 255, 0.75), rgba(88, 190, 255, 0));
    filter: blur(4px);
}

.greeting-card-pro__container {
    position: relative;
    padding: 56px 64px;
}

.greeting-card-pro__header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
}

.greeting-card-pro__tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.greeting-card-pro__title {
    font-size: 2.3rem;
    font-weight: 600;
    margin: 20px 0 10px;
}

.greeting-card-pro__subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
}

.greeting-card-pro__body {
    margin-top: 32px;
    padding: 32px;
    border-radius: 18px;
    background: rgba(12, 17, 34, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.greeting-card-pro__body::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background: linear-gradient(120deg, transparent 0%, rgba(120, 129, 255, 0.8) 45%, transparent 85%);
}

.greeting-card-pro__body-content {
    position: relative;
    line-height: 2;
    font-size: 1.05rem;
    color: rgba(248, 250, 252, 0.92);
    letter-spacing: 0.01em;
}

.greeting-card-pro__signature {
    margin-top: 40px;
    text-align: right;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.greeting-card-pro__badges {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.greeting-card-pro__badge {
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.88);
}

.next-steps {
    margin-bottom: 0;
    padding-left: 1rem;
    color: #1e293b;
}

.inline-editable {
    border-bottom: 1px dashed transparent;
    transition: border-color 0.2s;
}

.inline-editable:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.6);
    background: rgba(99, 102, 241, 0.08);
}

.sms-device {
    border-radius: 28px;
    background: linear-gradient(145deg, #f8fafc, #e2e8f0);
    padding: 1.5rem;
    max-width: 360px;
}

.sms-status-bar {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: #475569;
    margin-bottom: 0.8rem;
}

.sms-screen {
    background: #fff;
    border-radius: 20px;
    padding: 1.4rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    position: relative;
}

.sms-bubble {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    border-radius: 18px 18px 4px 18px;
    padding: 1rem;
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
}

.sms-message {
    margin: 0;
    white-space: pre-wrap;
    font-family: 'SF Pro Display', 'PingFang SC', sans-serif;
}

.sms-tail {
    position: absolute;
    bottom: 1.1rem;
    right: 1.2rem;
    width: 14px;
    height: 14px;
    border-radius: 0 0 100% 0;
    background: #2563eb;
    transform: rotate(45deg);
}

.template-pro__tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.tip-item {
    background: #f8fafc;
    border-radius: 14px;
    padding: 1rem 1.25rem;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.tip-label {
    font-size: 0.8rem;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .template-pro__hero {
        flex-direction: column;
    }
    
    .template-pro__cta {
        flex-direction: column;
    }

    .business-card-pro {
        grid-template-columns: 1fr;
    }

    .business-card-pro__front,
    .business-card-pro__back {
        aspect-ratio: auto;
        min-height: auto;
    }
}

.email-template {
    background-color: #ffffff;
    border: 1px solid #dee2e6;
}

.email-header h5 {
    color: #212529;
    margin-bottom: 0.5rem;
}

.recommendation-item {
    border-left: 3px solid #3b82f6;
}

.sms-template {
    background-color: #f8f9fa;
}

.sms-content {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

/* 客户选择列表样式 */
.customer-selection-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background-color: #ffffff;
}

.customer-selection-list .list-group-item {
    border-left: none;
    border-right: none;
    border-top: 1px solid #dee2e6;
    cursor: pointer;
    transition: background-color 0.2s;
}

.customer-selection-list .list-group-item:last-child {
    border-bottom: none;
}

.customer-selection-list .list-group-item:hover {
    background-color: #f8f9fa;
}

.customer-selection-list .list-group-item input[type="checkbox"]:checked + div {
    color: #3b82f6;
    font-weight: 500;
}

.custom-recommendation-tip {
    font-size: 0.85rem;
    color: #64748b;
    border-left: 3px solid #3b82f6;
    padding-left: 0.75rem;
}

.content-modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.content-module-card {
    padding: 1.15rem;
    border-radius: 16px;
    color: #0f172a;
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.07);
    display: flex;
    flex-direction: column;
    min-height: 210px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    background: #fff;
}

.module-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background-color: rgba(15, 23, 42, 0.08);
    font-size: 0.85rem;
    font-weight: 600;
    color: #0f172a;
}

.module-title {
    margin-top: 0.75rem;
    margin-bottom: 0.35rem;
}

.module-desc {
    font-size: 0.92rem;
    opacity: 0.9;
    margin-bottom: 0.6rem;
}

.module-highlights {
    list-style: none;
    padding: 0;
    margin: 0 0 0.6rem 0;
}

.module-highlights li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: #475569;
}

.module-actions {
    margin-top: auto;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.module-actions .btn {
    font-weight: 600;
}

.module-gradient-orange {
    background: linear-gradient(135deg, #fff7ed, #ffe4d5);
}

.module-gradient-pink {
    background: linear-gradient(135deg, #fff1f8, #fde7f3);
}

.module-gradient-blue {
    background: linear-gradient(135deg, #e0f2fe, #e0ecff);
}

.module-gradient-indigo {
    background: linear-gradient(135deg, #edf2ff, #e0e7ff);
}

.module-gradient-purple {
    background: linear-gradient(135deg, #f3e8ff, #ede9fe);
}

.recommendation-config-card.collapsed .recommendation-config-body {
    display: none;
}

.recommendation-config-card.collapsed {
    border-style: dashed;
    background-color: #f8fafc;
}

.recommendation-config-card .btn-link {
    text-decoration: none;
}

.recommendation-config-card .btn-link:hover {
    text-decoration: underline;
}

.marketing-short-banner {
    background: linear-gradient(135deg, #f97316, #fb923c);
    color: #fff;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.25);
}

.marketing-short-banner div {
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.ai-page {
    background: #f8fafc;
    min-height: 100vh;
}

.ai-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ai-header-text {
    max-width: 720px;
}

.ai-header-actions .btn {
    border-radius: 999px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.page-hero {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem;
    border: none;
    border-radius: 20px;
    background: linear-gradient(135deg, #f8fbff, #eef2ff);
}

.hero-left .eyebrow {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.hero-left h1 {
    font-size: 2rem;
    color: #0f172a;
    margin-bottom: 0.4rem;
}

.hero-left p {
    color: #475569;
    margin-bottom: 1rem;
}

.hero-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.hero-right {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.hero-stat {
    background: #fff;
    border-radius: 16px;
    padding: 1rem 1.2rem;
    min-width: 120px;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.05);
}

.hero-stat .label {
    display: block;
    font-size: 0.85rem;
    color: #64748b;
}

.hero-stat .value {
    font-size: 1.5rem;
    font-weight: 600;
    color: #0f172a;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.workflow-steps .step {
    display: flex;
    gap: 0.9rem;
    padding: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #fff;
}

.workflow-steps .step-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.workflow-steps .step-title {
    font-weight: 600;
    margin-bottom: 0.15rem;
    color: #0f172a;
}

.workflow-steps .step-desc {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
}


/* 短信预览样式 */
.sms-preview-container {
    max-width: 400px;
    margin: 0 auto;
}

.sms-phone-header {
    border-radius: 8px 8px 0 0;
    font-weight: 500;
}

.sms-content-area {
    border-radius: 0 0 8px 8px;
    min-height: 200px;
}

.sms-bubble {
    max-width: 85%;
    margin: 0 auto;
    word-wrap: break-word;
}

/* 邮件预览样式 */
.email-preview-container {
    background-color: #ffffff;
    max-width: 800px;
    margin: 0 auto;
}

.email-preview-container .email-header {
    background-color: #f8f9fa;
}

.email-preview-container .email-body {
    min-height: 300px;
    line-height: 1.8;
}

.email-preview-container .email-footer {
    background-color: #f8f9fa;
}

/* 二维码容器样式 */
#qrcodeContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    padding: 1rem;
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
}

#qrcodeContainer canvas {
    border-radius: 4px;
}

/* 模态框样式优化 */
#generateContentModal .modal-dialog {
    max-width: 90%;
}

#generateContentModal .modal-body {
    min-height: 500px;
}

#generateContentModal .nav-tabs {
    border-bottom: 2px solid #dee2e6;
}

#generateContentModal .nav-tabs .nav-link {
    color: #6c757d;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s;
}

#generateContentModal .nav-tabs .nav-link:hover {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

#generateContentModal .nav-tabs .nav-link.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
    font-weight: 500;
}

#generateContentModal .tab-content {
    padding-top: 1.5rem;
}

/* 报告和模板编辑器样式 */
.report-editor,
.template-editor {
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.report-editor textarea,
.template-editor textarea {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.report-editor .form-label,
.template-editor .form-label {
    font-weight: 500;
    color: #495057;
}

/* 响应式设计 */
@media (max-width: 992px) {
    #generateContentModal .modal-dialog {
        max-width: 95%;
    }
    
    .report-preview,
    .template-preview {
        max-height: 400px;
    }
    
    .customer-selection-list {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    #generateContentModal .modal-dialog {
        max-width: 100%;
        margin: 0;
    }
    
    #generateContentModal .nav-tabs .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .sms-preview-container {
        max-width: 100%;
    }
    
    .email-preview-container {
        max-width: 100%;
    }
}

/* 名片上传区域样式 */
.business-card-upload-area {
    margin-bottom: 1.5rem;
}

.upload-zone {
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-zone:hover {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.upload-zone.drag-over {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.2);
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 4rem;
    color: #6c757d;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.upload-zone:hover .upload-icon {
    color: #3b82f6;
    transform: scale(1.1);
}

.upload-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.5rem;
}

.upload-hint {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 1rem;
}

.upload-info {
    margin-top: 1rem;
}

/* 名片预览区域样式 */
.business-card-preview-area {
    margin-bottom: 1.5rem;
}

.preview-header {
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #dee2e6;
}

.preview-image-container {
    text-align: center;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #dee2e6;
}

.preview-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    object-fit: contain;
}

.preview-info {
    text-align: center;
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 4px;
}