/* ============================================
   轻奢风格管理后台样式
   配色：象牙白/香槟金/暖灰
   ============================================ */

/* === 全局 === */
:root {
    --gold: #B8973E;
    --gold-light: #CEA84E;
    --gold-pale: #F5EDDD;
    --gold-bg: #FDFBF7;
    --ivory: #F7F6F3;
    --ivory-dark: #F2EFE9;
    --text-primary: #3E362E;
    --text-secondary: #8A8278;
    --text-muted: #B5ADA3;
    --card-bg: #FFFFFF;
    --border: #E8E3DA;
    --border-light: #F0ECE5;
    --danger: #C57363;
    --danger-hover: #D48474;
    --success: #7CA882;
    --success-hover: #8FBA95;
    --shadow-sm: 0 1px 3px rgba(62, 54, 46, 0.06);
    --shadow-md: 0 4px 16px rgba(62, 54, 46, 0.08);
    --shadow-lg: 0 8px 32px rgba(62, 54, 46, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--ivory);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0.01em;
}

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* === 侧边栏 === */
.sidebar {
    width: 240px;
    background: var(--ivory-dark);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    padding: 28px 20px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.logo-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: white;
    padding: 10px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.logo {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: 0.03em;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}
.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}
.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 13px 20px;
    margin: 2px 10px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.nav-item:hover {
    background: white;
    color: var(--gold);
    box-shadow: var(--shadow-sm);
}

.nav-item.active {
    background: white;
    color: var(--gold);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--gold);
}

.nav-icon {
    font-size: 18px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
    opacity: 0.85;
}

.nav-item.active .nav-icon {
    opacity: 1;
}

.nav-text {
    font-size: 14px;
}

/* === 子菜单 === */
.nav-item-group {
    position: relative;
}

.nav-item-parent {
    justify-content: space-between;
}

.nav-arrow {
    font-size: 10px;
    transition: transform 0.3s;
    margin-left: auto;
    opacity: 0.6;
}

.nav-submenu {
    display: none;
    animation: slideDown 0.3s ease;
    padding: 2px 0;
}

.nav-submenu .nav-item-sub {
    padding-left: 56px;
    font-size: 13px;
    margin: 2px 10px;
}

.nav-submenu .nav-item-sub:hover {
    background: white;
    color: var(--gold);
}

.nav-submenu .nav-item-sub.active {
    background: white;
    color: var(--gold);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--gold);
}

@keyframes slideDown {
    from { max-height: 0; opacity: 0; }
    to { max-height: 300px; opacity: 1; }
}

/* === 主内容区 === */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--ivory);
}

/* === 顶部栏 === */
.topbar {
    height: 64px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.page-title {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    color: var(--text-secondary);
    font-size: 14px;
}

.btn-logout {
    padding: 7px 18px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

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

/* === 内容区 === */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 28px;
}

.content-area::-webkit-scrollbar {
    width: 6px;
}
.content-area::-webkit-scrollbar-track {
    background: transparent;
}
.content-area::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
.content-area::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.page {
    display: none;
}
.page.active {
    display: block;
    animation: pageFadeIn 0.35s ease;
}

@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === 数据概览卡片 === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-right: 18px;
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* === 页面头部 === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.page-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    width: 220px;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: var(--transition);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-pale);
}

.filter-select,
.filter-input {
    padding: 9px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: var(--transition);
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-pale);
}

/* === 按钮 === */
.btn-primary {
    padding: 9px 20px;
    background: linear-gradient(135deg, var(--gold) 0%, #A8852E 100%);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0.02em;
    box-shadow: 0 2px 8px rgba(184, 151, 62, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    box-shadow: 0 4px 16px rgba(184, 151, 62, 0.35);
    transform: translateY(-1px);
}

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

.btn-success {
    padding: 9px 20px;
    background: var(--success);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0.02em;
    box-shadow: 0 2px 8px rgba(124, 168, 130, 0.25);
}

.btn-success:hover {
    background: var(--success-hover);
    box-shadow: 0 4px 16px rgba(124, 168, 130, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 9px 20px;
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

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

/* === 表格 === */
.table-container {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.table-container .data-table {
    min-width: 2000px;
}

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

.data-table thead {
    background: linear-gradient(180deg, #FCFAF5 0%, #F7F3EA 100%);
}

.data-table th {
    padding: 15px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
    font-size: 13px;
    white-space: nowrap;
    letter-spacing: 0.03em;
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    color: var(--text-secondary);
}

.data-table tbody tr {
    transition: background var(--transition);
}

.data-table tbody tr:hover {
    background: var(--gold-bg);
}

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

/* === 状态标签 === */
.status-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.status-1 { background: #FFF8EE; color: #B8851A; }
.status-2 { background: #F5F8FD; color: #4A7CB5; }
.status-3 { background: #F5F8FD; color: #4A7CB5; }
.status-4 { background: #FEF3F1; color: #B85C4E; }
.status-5 { background: #F5F8FD; color: #4A7CB5; }
.status-6 { background: #F2F9F0; color: #5E8C5E; }
.status-7 { background: #FFF2E8; color: #D46B08; }
.status-已签约 { background: #F2F9F0; color: #5E8C5E; }
.status-未签约 { background: #FEF3F1; color: #B85C4E; }
.status-签约中 { background: #FFF8EE; color: #B8851A; }
.status-pending { background: #FFF8EE; color: #B8851A; }
.status-approved { background: #F2F9F0; color: #5E8C5E; }
.status-rejected { background: #FEF3F1; color: #B85C4E; }

/* === 表格内操作按钮 === */
.btn-action {
    padding: 5px 14px;
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    margin-right: 6px;
    transition: var(--transition);
    font-weight: 500;
}

.btn-action:hover {
    background: var(--gold);
    color: white;
}

/* === 加载和空状态 === */
.loading {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
    font-size: 14px;
}

.empty {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
    font-size: 14px;
}

/* === 分页 === */
.pagination {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.pagination button {
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
    border-color: var(--gold);
    color: var(--gold);
    background: var(--gold-bg);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination .page-info {
    margin: 0 16px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* === 标签页 === */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: -1px;
    letter-spacing: 0.02em;
}

.tab-btn:hover {
    color: var(--gold);
}

.tab-btn.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
    font-weight: 600;
}

.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
    animation: pageFadeIn 0.3s ease;
}

/* === 筛选标签 === */
.filter-tabs {
    display: flex;
    gap: 10px;
    background: transparent;
    padding: 0;
    border-bottom: none;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 8px 20px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 24px;
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.filter-tab:hover {
    color: var(--gold);
    border-color: var(--gold);
    background: var(--gold-bg);
}

.filter-tab.active {
    background: linear-gradient(135deg, var(--gold) 0%, #A8852E 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(184, 151, 62, 0.25);
}

/* === 弹窗 === */
.modal,
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(62, 54, 46, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.25s ease;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    min-width: 520px;
    max-width: 92vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
    border: 1px solid var(--border-light);
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-24px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-content h3,
.modal-header h3 {
    margin: 0 0 24px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.03em;
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--ivory);
    color: var(--danger);
}

.modal-body {
    padding: 4px 0;
}

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

.modal-body label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.modal-body .required {
    color: var(--danger);
    margin-left: 2px;
}

.modal-body .form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--card-bg);
    transition: var(--transition);
}

.modal-body .form-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-pale);
}

.modal-body .form-input[type="password"] {
    font-family: 'Courier New', monospace;
}

.modal-content .form-group {
    margin-bottom: 18px;
}

.modal-content .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.modal-content .form-group input[type="text"],
.modal-content .form-group input[type="number"],
.modal-content .form-group textarea,
.modal-content .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--card-bg);
    transition: var(--transition);
}

.modal-content .form-group input:focus,
.modal-content .form-group textarea:focus,
.modal-content .form-group select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-pale);
}

.modal-content .form-group input[readonly] {
    background-color: var(--ivory);
    cursor: not-allowed;
    color: var(--text-secondary);
}

.modal-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* === 权限组件 === */
.permissions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px;
    background: var(--ivory);
    border-radius: var(--radius-sm);
    max-height: 200px;
    overflow-y: auto;
}

.permission-tag {
    display: inline-block;
    padding: 5px 14px;
    background: var(--gold-pale);
    color: var(--gold);
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid rgba(184, 151, 62, 0.2);
    font-weight: 500;
}

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
    padding: 14px;
    background: var(--ivory);
    border-radius: var(--radius-sm);
    max-height: 300px;
    overflow-y: auto;
}

.permission-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.permission-item:hover {
    background: var(--gold-pale);
    border-color: var(--gold);
}

.permission-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--gold);
}

.permission-item span {
    font-size: 13px;
    color: var(--text-primary);
}

/* === 警告信息 === */
.modal-body .alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    line-height: 1.7;
}

.modal-body .alert-info {
    background: var(--gold-pale);
    border: 1px solid rgba(184, 151, 62, 0.25);
    color: #7A5F1E;
}

.modal-body .alert strong {
    display: block;
    margin-bottom: 8px;
}

/* === 动画 === */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}