/* ============================================
   董小姐后台管理系统 — Admin Style Sheet
   ============================================ */

:root {
    --primary: #6A9E7D;
    --primary-light: #8BBD9F;
    --primary-dark: #4D7A5E;
    --primary-rgb: 106, 158, 125;
    --accent: #D4A843;
    --accent-light: #E8C56A;
    --accent-rgb: 212, 168, 67;

    --text-primary: #1A1A2E;
    --text-secondary: #4A4A68;
    --text-muted: #8A8AA0;

    --bg-main: #F0F4F1;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-section: #EFF3EE;
    --sidebar-bg: linear-gradient(180deg, #4D7A5E, #6A9E7D);
    --sidebar-width: 240px;

    --border-light: rgba(0, 0, 0, 0.06);
    --border-glass: rgba(255, 255, 255, 0.15);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 100px;
}

[data-theme="dark"] {
    --text-primary: #F0F0E8;
    --text-secondary: #C8C8B8;
    --text-muted: #8888A0;
    --bg-main: #0E1410;
    --bg-card: rgba(28, 40, 32, 0.85);
    --bg-section: #141D16;
    --sidebar-bg: linear-gradient(180deg, #1A2E22, #2A4A38);
    --border-light: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

html { -webkit-font-smoothing: antialiased; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    background: var(--bg-main);
    line-height: 1.6;
    transition: background 0.4s, color 0.4s;
}

/* === 登录页面 === */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--sidebar-bg);
    overflow: hidden;
}

.login-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.3), transparent 60%),
                radial-gradient(circle at 70% 60%, rgba(var(--accent-rgb),0.2), transparent 60%);
}

.login-container {
    z-index: 1;
}

.login-card {
    padding: 48px 40px;
    width: 420px;
    max-width: 90vw;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .login-card {
    background: rgba(28, 40, 32, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand .brand-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 8px;
}

.login-brand h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--primary);
}

.login-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.login-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.login-form label i {
    color: var(--primary);
}

.login-form input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-section);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s;
}

[data-theme="dark"] .login-form input {
    background: rgba(26, 19, 16, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.login-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.login-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 16px;
}

.login-error {
    background: rgba(255,59,48,0.1);
    border: 1px solid rgba(255,59,48,0.25);
    color: #D63029;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 12px;
    animation: loginErrorShake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
    display: flex; align-items: center; gap: 8px;
}
.login-error::before { content: '⚠'; font-size: 1rem; }

@keyframes loginErrorShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

[data-theme="dark"] .login-error {
    background: rgba(255,69,58,0.15);
    color: #FF6B6B;
}

/* === 管理面板布局 === */
.admin-panel {
    display: flex;
    min-height: 100vh;
}

.admin-panel.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}

.admin-panel.sidebar-collapsed .main-content {
    margin-left: 0;
    width: 100%;
}

/* === 侧边栏 === */
.sidebar {
    background: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    z-index: 50;
    transition: transform 0.4s var(--ease-out-expo);
    overflow-y: auto;
}

.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand .brand-icon { font-size: 1.5rem; }
.sidebar-brand .brand-text { font-size: 1.2rem; font-weight: 700; letter-spacing: 2px; }
.sidebar-brand .brand-sub { font-size: 0.7rem; color: rgba(255,255,255,0.5); margin-left: 4px; }

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: all 0.3s var(--ease-out-expo);
    cursor: pointer;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-weight: 600;
}

.nav-item i { width: 20px; text-align: center; }

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.theme-toggle-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
    width: 100%;
}

.theme-toggle-inline:hover { background: rgba(255,255,255,0.2); color: #fff; }

.view-site-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s;
}

.view-site-link:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* === 主内容区 === */
.main-content {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.4s var(--ease-out-expo);
}

.admin-panel.sidebar-collapsed .main-content {
    margin-left: 0;
}

/* === 顶部栏 === */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 10;
}

[data-theme="dark"] .top-bar {
    background: rgba(28, 40, 32, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-left { display: flex; align-items: center; gap: 16px; }

.sidebar-toggle {
    width: 40px;
    height: 40px;
    background: rgba(var(--primary-rgb), 0.1);
    border: none;
    border-radius: var(--radius-md);
    color: var(--primary);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.sidebar-toggle:hover { background: rgba(var(--primary-rgb), 0.2); }

.page-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.top-right { display: flex; align-items: center; gap: 16px; }

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.user-name { font-size: 0.9rem; font-weight: 600; }

.logout-btn {
    padding: 8px 16px;
    background: rgba(231,76,60,0.1);
    border: none;
    border-radius: var(--radius-pill);
    color: #e74c3c;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

.logout-btn:hover { background: rgba(231,76,60,0.2); }

/* === 页面内容 === */
.page-content {
    padding: 24px;
    display: none;
}

.page-content.active { display: block; }

/* === Dashboard === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    position: relative;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
}

[data-theme="dark"] .stat-card {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.stat-info { flex: 1; }

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-change {
    position: absolute;
    bottom: 12px;
    right: 16px;
    font-size: 0.75rem;
    font-weight: 600;
}

.stat-change.positive { color: var(--primary); }
.stat-change.neutral { color: var(--accent); }

/* === 快捷操作 === */
.quick-actions {
    margin-bottom: 24px;
}

.section-title-sm {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.action-btn {
    padding: 16px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
}

[data-theme="dark"] .action-btn {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.action-btn i {
    width: 32px;
    height: 32px;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

/* === 最近留言 === */
.recent-section { margin-bottom: 24px; }

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-item {
    padding: 16px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .recent-item {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.recent-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.recent-name { font-weight: 700; font-size: 0.9rem; }
.recent-date { font-size: 0.8rem; color: var(--text-muted); }
.recent-type {
    padding: 2px 8px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    border-radius: var(--radius-pill);
}

.recent-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.recent-actions { display: flex; gap: 8px; }

.btn-sm {
    padding: 6px 12px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

.btn-danger-sm {
    background: rgba(231,76,60,0.1);
    color: #e74c3c;
}

.btn-danger-sm:hover { background: rgba(231,76,60,0.2); }

/* === Toolbar === */
.page-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.toolbar-left {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-pill);
    min-width: 200px;
}

[data-theme="dark"] .search-box {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.search-box i { color: var(--text-muted); font-size: 0.85rem; }

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 100%;
}

.filter-select {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

[data-theme="dark"] .filter-select {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* === 按钮 === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    border: none;
}

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

.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); }

/* === 数据表格 === */
.data-table-container {
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
}

[data-theme="dark"] .data-table-container {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(var(--primary-rgb), 0.05);
    border-bottom: 1px solid var(--border-light);
}

.data-table td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-light);
}

.data-table tr:hover td {
    background: rgba(var(--primary-rgb), 0.03);
}

.data-table .product-icon-cell { font-size: 1.5rem; }

.data-table .tag-cell {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.tag-badge {
    padding: 2px 8px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    border-radius: var(--radius-pill);
}

.action-cell {
    display: flex;
    gap: 8px;
}

.action-btn-sm {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.action-btn-sm.edit {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
}

.action-btn-sm.edit:hover { background: var(--primary); color: #fff; }

.action-btn-sm.delete {
    background: rgba(231,76,60,0.1);
    color: #e74c3c;
}

.action-btn-sm.delete:hover { background: #e74c3c; color: #fff; }

/* === 分页 === */
.pagination-container {
    margin-top: 16px;
}
.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border: 1px solid var(--border-light, rgba(0,0,0,0.08));
    border-radius: 8px;
    background: var(--bg-card, #fff);
    color: var(--text-secondary, #666);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.page-btn:hover:not(.disabled):not(.active) {
    border-color: var(--primary, #6A9E7D);
    color: var(--primary, #6A9E7D);
    background: rgba(106,158,125,0.06);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(106,158,125,0.12);
}
.page-btn.active {
    background: var(--primary, #6A9E7D);
    border-color: var(--primary, #6A9E7D);
    color: #fff;
    box-shadow: 0 2px 12px rgba(106,158,125,0.3);
}
.page-btn.disabled {
    opacity: 0.35;
    cursor: not-allowed;
}
.page-ellipsis {
    color: var(--text-muted, #999);
    padding: 0 4px;
    font-size: 0.85rem;
}
.page-info {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted, #999);
    white-space: nowrap;
}
[data-theme="dark"] .page-btn {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.08);
    color: var(--text-secondary);
}

/* === 留言列表 === */
.message-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all 0.3s;
}

[data-theme="dark"] .message-card {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.message-card:hover { border-color: var(--primary-light); }

.message-card.pending { border-left: 3px solid var(--accent); }
.message-card.processed { border-left: 3px solid var(--primary); }

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.message-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.message-name { font-weight: 700; }
.message-date { font-size: 0.8rem; color: var(--text-muted); }
.message-type {
    padding: 2px 8px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    border-radius: var(--radius-pill);
}

.message-status {
    font-size: 0.8rem;
    font-weight: 600;
}

.message-status.pending { color: var(--accent); }
.message-status.processed { color: var(--primary); }

.message-contact {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.message-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

.message-actions { display: flex; gap: 8px; }

/* === 设置卡片 === */
.settings-card {
    padding: 24px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .settings-card {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.settings-card .form-group {
    margin-bottom: 16px;
}

.settings-card label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.settings-card input,
.settings-card textarea,
.settings-card select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-section);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s;
}

[data-theme="dark"] .settings-card input,
[data-theme="dark"] .settings-card textarea,
[data-theme="dark"] .settings-card select {
    background: rgba(26, 19, 16, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-card input:focus,
.settings-card textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

/* === 弹窗 === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

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

.modal-card {
    max-width: 600px;
    width: 100%;
    padding: 24px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .modal-card {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-card .modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(var(--primary-rgb), 0.1);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
}

.modal-card .modal-close:hover { background: rgba(var(--primary-rgb), 0.2); }

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.modal-card .form-group {
    margin-bottom: 16px;
}

/* 多语言表单双列布局 */
.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
    min-width: 0;
}

.modal-card label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.modal-card input,
.modal-card textarea,
.modal-card select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-section);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s;
}

[data-theme="dark"] .modal-card input,
[data-theme="dark"] .modal-card textarea,
[data-theme="dark"] .modal-card select {
    background: rgba(26, 19, 16, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-card input:focus,
.modal-card textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* === Glass Card === */
.glass-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.3s;
}

[data-theme="dark"] .glass-card {
    background: rgba(28, 40, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* === 响应式 === */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root { --sidebar-width: 0px; }

    .sidebar {
        transform: translateX(-240px);
        width: 240px;
    }

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

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

    .admin-panel.sidebar-collapsed .main-content { margin-left: 0; }

    .stats-grid { grid-template-columns: 1fr; }

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

/* ============================================
   多语言字段组样式
   ============================================ */
.multi-lang-group {
    margin-bottom: 20px;
}

.multi-lang-group > label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.ml-field {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
}

.ml-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 8px;
    background: rgba(106, 158, 125, 0.12);
    color: #6A9E7D;
    margin-top: 4px;
}

.ml-field:nth-child(3) .ml-tag {
    background: rgba(212, 168, 67, 0.12);
    color: #D4A843;
}

.ml-field:nth-child(4) .ml-tag {
    background: rgba(106, 158, 125, 0.08);
    color: #4D7A5E;
}

.ml-field input,
.ml-field textarea {
    flex: 1;
    margin-bottom: 0;
}

[data-theme="dark"] .ml-tag {
    background: rgba(139, 189, 159, 0.15);
    color: #8BBD9F;
}

[data-theme="dark"] .ml-field:nth-child(3) .ml-tag {
    background: rgba(212, 168, 67, 0.15);
    color: #D4A843;
}

[data-theme="dark"] .ml-field:nth-child(4) .ml-tag {
    background: rgba(139, 189, 159, 0.1);
    color: #8BBD9F;
}