/* =====================================================
   安全风控审核系统 - 样式表
   设计风格：工业/技术风，深色主题，专业感
   ===================================================== */

:root {
    /* 主色调 - 蓝色系 */
    --bg-primary: linear-gradient(to right, #2563eb, #ffffff);
    --bg-secondary: rgba(37, 99, 235, 0.08);
    --bg-tertiary: rgba(37, 99, 235, 0.15);
    --bg-card: rgba(255, 255, 255, 0.9);
    
    /* 文字颜色 */
    --text-primary: #1e3a5f;
    --text-secondary: #3d5a80;
    --text-muted: #6b8cae;
    
    /* 强调色 */
    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-glow: rgba(37, 99, 235, 0.25);
    
    /* 状态色 */
    --color-safe: #10b981;
    --color-safe-bg: rgba(16, 185, 129, 0.15);
    --color-risk: #e11d74;
    --color-risk-bg: rgba(225, 29, 116, 0.12);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.12);
    
    /* 风险类型色 */
    --color-terror: #dc2626;
    --color-politics: #8b5cf6;
    --color-porn: #db2777;
    --color-violence: #ea580c;
    --color-insult: #ca8a04;
    
    /* 边框 */
    --border-color: rgba(37, 99, 235, 0.2);
    --border-light: rgba(37, 99, 235, 0.15);
    
    /* 字体 */
    --font-display: 'Noto Sans SC', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* =====================================================
   基础样式
   ===================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background: linear-gradient(to right, #2563eb 0%, #60a5fa 30%, #bfdbfe 60%, #ffffff 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 背景网格效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =====================================================
   Header
   ===================================================== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-2xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    width: 36px;
    height: 36px;
    fill: url(#silver-gradient);
    stroke: url(#silver-gradient);
    filter: drop-shadow(0 2px 6px rgba(160, 160, 160, 0.4));
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #e8e8e8 0%, #b8b8b8 25%, #d4d4d4 50%, #a0a0a0 75%, #c8c8c8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-safe);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* Header Right Container */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* User Area */
.user-area {
    position: relative;
}

.login-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
}

.login-icon {
    width: 16px;
    height: 16px;
}

/* User Profile (Logged In) */
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-profile:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-primary);
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown-btn {
    display: flex;
    align-items: center;
    padding: 4px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-dropdown-btn:hover {
    background: var(--bg-tertiary);
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
}

.user-profile.expanded .dropdown-arrow {
    transform: rotate(180deg);
}

/* User Dropdown Menu */
.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.user-profile.expanded .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    font-size: 0.875rem;
    color: var(--color-risk);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-radius: var(--radius-md);
}

.dropdown-item:hover {
    background: var(--color-risk-bg);
}

.dropdown-icon {
    width: 16px;
    height: 16px;
}

/* =====================================================
   Section Title
   ===================================================== */

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.title-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-secondary);
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-sm);
}

/* =====================================================
   Main Content
   ===================================================== */

.main-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   Input Section
   ===================================================== */

.input-section {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

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

/* Mode Tabs Container */
.mode-tabs-container {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

/* Tab Group - 包含 tab 按钮和展开按钮 */
.tab-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 120px;
}

.tab-group .mode-tab {
    flex: 1;
    width: 100%;
}

/* Expand Button - 下拉箭头 */
.expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    transition: all var(--transition-normal);
    margin-top: -2px;
}

.expand-btn:hover {
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.expand-btn.expanded {
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.expand-btn .expand-arrow {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-normal);
}

.expand-btn.expanded .expand-arrow {
    transform: rotate(180deg);
}

/* Batch Upload Panel - 展开面板 */
.batch-upload-panel {
    display: none;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: all var(--transition-normal);
}

.batch-upload-panel.expanded {
    display: block;
    max-height: 200px;
    opacity: 1;
    margin-top: var(--spacing-xs);
}

.batch-upload-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.batch-upload-zone:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.batch-upload-zone.dragover {
    background: var(--accent-glow);
    border-color: var(--accent-primary);
}

.batch-icon {
    width: 16px;
    height: 16px;
}

/* Mode Tab Button */
.mode-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all var(--transition-normal);
}

.mode-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.mode-tab.active {
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.tab-icon {
    width: 18px;
    height: 18px;
}

/* Input Panels */
.input-panel {
    display: none;
}

.input-panel.active {
    display: block;
}

.text-panel textarea {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition-normal);
}

.text-panel textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.text-panel textarea::placeholder {
    color: var(--text-muted);
}

.input-info {
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Upload Zone */
.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.upload-zone.dragover {
    border-color: var(--accent-secondary);
    background: rgba(59, 130, 246, 0.1);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Preview Area */
.preview-area {
    position: relative;
    display: flex;
    justify-content: center;
}

.preview-area img,
.preview-area video {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.remove-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: white;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.remove-btn:hover {
    background: var(--color-risk);
}

/* Submit Button */
.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-primary);
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
}

.submit-btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* =====================================================
   Results Section
   ===================================================== */

.results-section {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.results-section .section-title {
    justify-content: space-between;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

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

.download-btn svg {
    width: 14px;
    height: 14px;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-light);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-state p {
    color: var(--text-secondary);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
    opacity: 0.5;
}

.empty-state p {
    color: var(--text-muted);
}

/* Results Container */
.results-container {
    min-height: 400px;
}

.results-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Summary Card */
.summary-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.risk-badge {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.risk-badge.safe {
    background: var(--color-safe-bg);
    color: var(--color-safe);
    border: 1px solid var(--color-safe);
}

.risk-badge.warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.risk-badge.danger {
    background: var(--color-risk-bg);
    color: var(--color-risk);
    border: 1px solid var(--color-risk);
}

.timestamp {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-xs);
}

.stat-item.risk .stat-value {
    color: var(--color-risk);
}

.stat-item.safe .stat-value {
    color: var(--color-safe);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Result Layers */
.result-layer {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.layer-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.layer-number {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.15);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.layer-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
}

.layer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Element Tags */
.element-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    border: 1px solid var(--border-color);
}

.element-tag.safe {
    border-color: var(--color-safe);
    background: var(--color-safe-bg);
}

.element-tag.risk {
    border-color: var(--color-risk);
    background: var(--color-risk-bg);
}

/* Risk Type Tags */
.risk-type-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.risk-type-tag.terror {
    background: rgba(220, 38, 38, 0.2);
    color: var(--color-terror);
}

.risk-type-tag.politics {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-politics);
}

.risk-type-tag.porn {
    background: rgba(236, 72, 153, 0.2);
    color: var(--color-porn);
}

.risk-type-tag.violence {
    background: rgba(249, 115, 22, 0.2);
    color: var(--color-violence);
}

.risk-type-tag.insult {
    background: rgba(234, 179, 8, 0.2);
    color: var(--color-insult);
}

/* Classification Groups */
.classification-group {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.classification-group h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.classification-group h4::before {
    content: '';
    width: 3px;
    height: 16px;
    border-radius: 2px;
}

.classification-group.risk h4::before {
    background: var(--color-risk);
}

.classification-group.safe h4::before {
    background: var(--color-safe);
}

.classification-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* =====================================================
   Footer
   ===================================================== */

.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* =====================================================
   Responsive Design
   ===================================================== */

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .summary-stats {
        grid-template-columns: 1fr;
    }
    
    .mode-tabs {
        flex-direction: column;
    }
}

/* =====================================================
   批量上传样式
   ===================================================== */

.batch-file-list {
    margin-top: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.file-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.file-list-header span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.file-list-header strong {
    color: var(--accent-primary);
}

.clear-all-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.clear-all-btn:hover {
    background: var(--color-risk-bg);
    border-color: var(--color-risk);
    color: var(--color-risk);
}

.file-items {
    max-height: 250px;
    overflow-y: auto;
}

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

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

.file-item:hover {
    background: var(--bg-tertiary);
}

.file-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
}

.file-icon.word {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.file-icon.excel {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.file-icon.pdf {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.file-icon.image {
    background: rgba(255, 107, 157, 0.15);
    color: var(--accent-primary);
}

.file-icon.video {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

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

.file-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.file-remove {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.file-remove:hover {
    background: var(--color-risk-bg);
    color: var(--color-risk);
}

/* 批量结果样式 */
.batch-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.batch-result-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.batch-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.batch-file-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.batch-file-name .file-icon {
    width: 24px;
    height: 24px;
    font-size: 0.5rem;
}