/* 全局样式 & 主题设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-soft: rgba(99, 102, 241, 0.08);
    --color-accent: #f97316;
    --color-danger: #ef4444;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-border: #e2e8f0;
    --color-text-main: #1f2933;
    --color-text-muted: #6b7280;
    --color-bg-page: #f4f6fb;
    --color-bg-card: #ffffff;
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
    --radius-md: 8px;
    --radius-lg: 10px;
    --transition-fast: 0.18s ease-out;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    background: radial-gradient(circle at top left, #eef2ff 0, #f9fafb 40%, #edf2f7 100%);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 登录页面 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(circle at top left, #4f46e5 0%, #6366f1 40%, #0ea5e9 100%);
}

.login-box {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.4);
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--color-text-main);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 11px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    background-color: #ffffff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
    background-color: #ffffff;
}

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.18);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.16);
}

.btn:disabled,
.btn[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), #4338ca);
}

.btn-success {
    background: linear-gradient(135deg, #16a34a, #22c55e);
    color: #ffffff;
}

.btn-success:hover {
    background: linear-gradient(135deg, #15803d, #16a34a);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: #ffffff;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c, #7f1d1d);
}

.btn-warning {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #111827;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

/* 登录页按钮独立占满行 */
.login-box .btn-primary {
    width: 100%;
    justify-content: center;
}

.alert {
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 13px;
}

.alert-error {
    background-color: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #ecfdf3;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.login-tip {
    margin-top: 20px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 12px;
}

/* 主布局 */
.header {
    background: radial-gradient(circle at top left, #111827 0%, #1f2937 45%, #0f172a 100%);
    color: #ffffff;
    padding: 14px 0;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-user span {
    color: #e5e7eb;
    font-size: 13px;
}

.logout-btn {
    background-color: rgba(248, 113, 113, 0.1);
    color: #fecaca;
    padding: 7px 14px;
    text-decoration: none;
    border-radius: 999px;
    font-size: 13px;
    border: 1px solid rgba(248, 113, 113, 0.4);
}

.logout-btn:hover {
    background-color: rgba(248, 113, 113, 0.18);
    color: #fee2e2;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

/* 导航菜单 */
.nav-menu {
    background-color: rgba(255, 255, 255, 0.96);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(10px);
}

.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-menu a {
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 13px;
    transition: all var(--transition-fast);
    position: relative;
}

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

/* 卡片 */
.card {
    background-color: var(--color-bg-card);
    padding: 20px 20px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(226, 232, 240, 0.9);
}

.card-header {
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 13px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 18px;
    color: var(--color-text-main);
    font-weight: 600;
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    background-color: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.table th,
.table td {
    padding: 11px 12px;
    text-align: left;
    border-bottom: 1px solid #edf2f7;
}

.table th {
    background-color: #f9fafb;
    font-weight: 600;
    color: #111827;
    font-size: 13px;
}

.table tr:hover {
    background-color: #f9fafb;
}

.table tbody tr:nth-child(even) {
    background-color: #fdfdff;
}

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

.table-actions {
    display: flex;
    gap: 10px;
}

/* 表单 */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* 状态标签 */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background-color: #ecfdf3;
    color: #166534;
}

.badge-danger {
    background-color: #fef2f2;
    color: #b91c1c;
}

.badge-warning {
    background-color: #fffbeb;
    color: #92400e;
}

.badge-info {
    background-color: #e0f2fe;
    color: #075985;
}

/* 分页 */
.pagination {
    display: flex;
    gap: 5px;
    margin-top: 20px;
    justify-content: center;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-decoration: none;
    color: #333;
}

.pagination a:hover {
    background-color: #667eea;
    color: white;
    border-color: #667eea;
}

.pagination .active {
    background-color: #667eea;
    color: white;
    border-color: #667eea;
}

/* 选项卡样式 */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #eee;
    margin-bottom: 20px;
}

.tab-link {
    padding: 12px 24px;
    text-decoration: none;
    color: #333;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
    font-weight: 500;
}

.tab-link:hover {
    color: #667eea;
    border-bottom-color: #667eea;
}

.tab-link.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

/* 响应式 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 8px;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab-link {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* 图片查看模态框样式 */
.image-viewer-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.2s ease-out;
    overflow: auto;
}

.image-viewer-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer-content {
    position: relative;
    max-width: 95%;
    max-height: 95%;
    margin: auto;
    text-align: center;
    animation: zoomIn 0.3s ease-out;
}

.image-viewer-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.image-viewer-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #ffffff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.image-viewer-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
    border-color: rgba(255, 255, 255, 0.6);
}

.image-viewer-info {
    color: #ffffff;
    padding: 15px;
    font-size: 14px;
    text-align: center;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 0 0 8px 8px;
    margin-top: -4px;
}

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

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 图片点击提示样式 */
img[data-viewer] {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

img[data-viewer]:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== 模块卡片样式（卡片式设计 + 折叠 + 搜索） ===== */

/* 模块卡片容器 */
.module-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    /* border 由具体模块类设置，避免重叠 */
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

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

/* 模块卡片头部 */
.module-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background-color: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.module-card-header:hover {
    background-color: #f3f4f6;
}

.module-card-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.module-card-icon {
    font-size: 20px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.module-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.module-card-summary {
    font-size: 13px;
    color: #6b7280;
    margin-left: 12px;
}

.module-card-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.module-card-toggle {
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 14px;
    transition: color 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.module-card-toggle:hover {
    color: #374151;
}

.module-card-toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
}

.module-card-toggle-icon.collapsed {
    transform: rotate(-90deg);
}

/* 模块卡片内容区域 */
.module-card-content {
    padding: 20px;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    overflow: hidden;
}

.module-card-content.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
}

/* 搜索栏样式 */
.module-search-bar {
    background-color: #f9fafb;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.module-search-bar.collapsed {
    display: none;
}

.module-search-bar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    cursor: pointer;
    user-select: none;
}

.module-search-bar-title {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    display: flex;
    align-items: center;
    gap: 6px;
}

.module-search-bar-toggle {
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: 4px;
    font-size: 12px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.module-search-bar-toggle:hover {
    color: #374151;
}

.module-search-bar-toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
}

.module-search-bar-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
}

.module-search-bar-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

.module-search-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.module-search-field label {
    font-size: 12px;
    font-weight: 500;
    color: #6b7280;
}

.module-search-field input,
.module-search-field select {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 13px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.module-search-field input:focus,
.module-search-field select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.module-search-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    grid-column: 1 / -1;
}

.module-search-actions .btn {
    padding: 8px 16px;
    font-size: 13px;
}

/* 不同模块的左侧边框颜色 */
.module-card.module-product-binding {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid #0ea5e9;
}

.module-card.module-profit-loss {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid #10b981;
}

.module-card.module-video-records {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid #3b82f6;
}

.module-card.module-sales-records {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid #f59e0b;
}

.module-card.module-anchor-fee {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid #8b5cf6;
}

.module-card.module-paid-traffic {
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid #ec4899;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .module-card-header {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .module-card-header-left {
        flex: 1 1 100%;
    }
    
    .module-card-header-right {
        flex: 1 1 100%;
        justify-content: flex-end;
    }
    
    .module-search-bar-content {
        grid-template-columns: 1fr;
    }
}