/* 快递退货打包发货系统 - 样式表 */

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

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

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

/* 登录页面 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-muted);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 14px;
}

/* 表单 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

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

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

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* 警告框 */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.alert-error {
    background-color: #fef2f2;
    color: var(--danger-color);
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #f0fdf4;
    color: var(--success-color);
    border: 1px solid #bbf7d0;
}

/* 布局 */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--card-background);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.sidebar-header h1 {
    font-size: 18px;
    color: var(--text-color);
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: var(--background-color);
    color: var(--primary-color);
}

.sidebar-nav a svg {
    margin-right: 12px;
    width: 20px;
    height: 20px;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

/* 页面头部 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
}

/* 卡片 */
.card {
    background: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

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

.card-title {
    font-size: 18px;
    font-weight: 600;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
}

/* 功能卡片 */
.feature-card {
    background: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.feature-card .icon svg {
    width: 32px;
    height: 32px;
}

.feature-card .icon-blue { background: #dbeafe; color: #3b82f6; }
.feature-card .icon-green { background: #dcfce7; color: #22c55e; }
.feature-card .icon-yellow { background: #fef3c7; color: #f59e0b; }
.feature-card .icon-purple { background: #f3e8ff; color: #a855f7; }

.feature-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 14px;
}

/* 视频预览区域 */
.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

/* 水印样式 */
.watermark-barcode {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

.watermark-barcode .label {
    font-size: 12px;
    opacity: 0.7;
    margin-bottom: 4px;
}

.watermark-barcode .value {
    font-family: monospace;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 2px;
}

.watermark-timestamp {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 16px;
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

.watermark-timestamp .value {
    font-family: monospace;
    font-size: 18px;
    font-weight: bold;
    color: #facc15;
    letter-spacing: 1px;
}

.recording-indicator {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--danger-color);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.recording-indicator .dot {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: pulse 1s infinite;
}

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

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

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--background-color);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 14px;
}

tr:hover {
    background: var(--background-color);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-color);
}

.pagination a:hover {
    background: var(--background-color);
}

.pagination .active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: 12px;
}

.user-name {
    font-weight: 500;
}

.user-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* 统计卡片 */
.stat-card {
    background: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* 搜索框 */
.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
}

/* 视频缩略图 */
.video-thumbnail {
    width: 120px;
    height: 68px;
    object-fit: cover;
    border-radius: 4px;
    background: #000;
}

/* 状态标签 */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-completed {
    background: #dcfce7;
    color: #166534;
}

.status-recording {
    background: #fef3c7;
    color: #92400e;
}

.status-failed {
    background: #fef2f2;
    color: #991b1b;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-color);
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    display: none;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 加载动画 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 响应式 */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .search-box {
        flex-direction: column;
    }
}