/* ============================================
   食品商家企业平台 - 后台管理系统
   商业化UI设计
   ============================================ */

/* === CSS Variables === */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-bg: #eff6ff;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --bg-body: #f1f5f9;
    --bg-white: #ffffff;
    --bg-sidebar: #1e293b;
    --bg-header: #ffffff;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --header-height: 60px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-body);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* === Login Page === */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: loginBgAnim 15s ease-in-out infinite;
}

@keyframes loginBgAnim {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

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

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

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
}

.login-logo svg {
    width: 32px;
    height: 32px;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.login-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group .input-wrapper {
    position: relative;
}

.form-group .input-wrapper .input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    height: 42px;
    padding: 0 12px 0 40px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer a {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* === Admin Layout === */
.admin-body {
    overflow: hidden;
    height: 100vh;
}

/* Header */
.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.menu-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 18px;
    height: 18px;
}

.logo {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.header-icon-btn:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.user-dropdown {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.user-info:hover {
    background: var(--bg-body);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 600;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 4px;
    display: none;
    z-index: 1001;
}

.dropdown-menu.show {
    display: block;
    animation: dropdownIn 0.2s ease;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.dropdown-item.text-danger {
    color: var(--danger);
}

.dropdown-item.text-danger:hover {
    background: #fef2f2;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* === Sidebar === */
.admin-container {
    display: flex;
    padding-top: var(--header-height);
    height: 100vh;
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    flex-shrink: 0;
    transition: var(--transition);
    overflow: hidden;
    position: relative;
    z-index: 100;
}

.admin-sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-content {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 0;
}

.sidebar-content::-webkit-scrollbar {
    width: 4px;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

/* Menu */
.sidebar-menu {
    padding: 0 8px;
}

.menu-list {
    list-style: none;
}

.menu-item {
    margin-bottom: 2px;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.875rem;
    font-weight: 400;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
}

.menu-item a:hover {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.08);
}

.menu-item.active > a {
    color: white;
    background: var(--primary);
    font-weight: 500;
}

.menu-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.menu-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.menu-arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
    opacity: 0.5;
}

.menu-parent.expanded > a .menu-arrow {
    transform: rotate(90deg);
}

.submenu {
    list-style: none;
    padding-left: 32px;
    display: none;
    overflow: hidden;
}

.menu-parent.expanded .submenu {
    display: block;
}

.submenu .menu-item a {
    padding: 8px 12px;
    font-size: 0.8125rem;
}

.submenu .menu-item.active > a {
    background: rgba(37, 99, 235, 0.2);
    color: white;
}

/* Submenu icon small variant */
.menu-icon-sm {
    width: 16px !important;
    height: 16px !important;
}

.menu-icon-sm svg {
    width: 16px;
    height: 16px;
}

/* Tab icon */
.tab-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.tab-icon svg {
    width: 16px;
    height: 16px;
}

/* Collapsed sidebar */
.admin-sidebar.collapsed .menu-text,
.admin-sidebar.collapsed .menu-arrow {
    display: none;
}

.admin-sidebar.collapsed .menu-item a {
    justify-content: center;
    padding: 10px;
}

.admin-sidebar.collapsed .submenu {
    display: none !important;
}

/* === Main Content === */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* Tabs Bar */
.tabs-bar {
    display: flex;
    align-items: center;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 0 8px;
    flex-shrink: 0;
    height: 40px;
}

.tabs-container {
    display: flex;
    align-items: center;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 2px;
}

.tabs-container::-webkit-scrollbar {
    height: 2px;
}

.tabs-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 1px;
}

.tab-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: var(--transition);
    user-select: none;
    position: relative;
}

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

.tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 500;
}

.tab-item .tab-close {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    opacity: 0;
    transition: var(--transition);
    margin-left: 2px;
}

.tab-item:hover .tab-close {
    opacity: 0.6;
}

.tab-item .tab-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

.tab-item.active .tab-close:hover {
    background: rgba(37, 99, 235, 0.1);
}

.tabs-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    padding-left: 8px;
    border-left: 1px solid var(--border-color);
    margin-left: 8px;
}

.tabs-actions-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.tabs-actions-btn:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

/* Iframe Container */
.iframe-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--bg-body);
}

/* === Page Content (for iframe pages) === */
.page-container {
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 24px;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.stat-card-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card-icon.blue {
    background: var(--primary-bg);
    color: var(--primary);
}

.stat-card-icon.green {
    background: #ecfdf5;
    color: var(--success);
}

.stat-card-icon.yellow {
    background: #fffbeb;
    color: var(--warning);
}

.stat-card-icon.red {
    background: #fef2f2;
    color: var(--danger);
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card-change {
    font-size: 0.8125rem;
    margin-top: 4px;
}

.stat-card-change.up {
    color: var(--success);
}

.stat-card-change.down {
    color: var(--danger);
}

/* Cards */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

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

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
}

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

table thead th {
    padding: 12px 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-body);
    white-space: nowrap;
}

table tbody td {
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}

table tbody tr:hover {
    background: #f8fafc;
}

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

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 100px;
    line-height: 1.5;
}

.badge-success {
    background: #ecfdf5;
    color: #059669;
}

.badge-warning {
    background: #fffbeb;
    color: #d97706;
}

.badge-danger {
    background: #fef2f2;
    color: #dc2626;
}

.badge-info {
    background: #ecfeff;
    color: #0891b2;
}

/* Search & Filters */
.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    max-width: 320px;
}

.search-input-wrapper input {
    width: 100%;
    height: 38px;
    padding: 0 12px 0 36px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}

.search-input-wrapper input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}

.pagination button {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: var(--bg-body);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.empty-state-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.empty-state-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Loading */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading-spinner::after {
    content: '';
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Modal */
.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: 2000;
    animation: fadeIn 0.2s ease;
}

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

.modal-content {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* Form Controls */
.form-control {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
    height: auto;
    padding: 10px 12px;
    resize: vertical;
    min-height: 80px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        position: fixed;
        left: -280px;
        top: var(--header-height);
        bottom: 0;
        z-index: 999;
        box-shadow: var(--shadow-xl);
    }

    .admin-sidebar.mobile-open {
        left: 0;
    }

    .admin-sidebar.collapsed {
        width: var(--sidebar-width);
    }

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

    .login-card {
        padding: 24px;
    }

    .page-container {
        padding: 16px;
    }
}

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

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

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    height: 38px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-box svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-input {
    border: none;
    outline: none;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: transparent;
    width: 200px;
}

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

.form-select {
    height: 38px;
    padding: 0 32px 0 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-white);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}

.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.btn-outline {
    background: var(--bg-white);
    color: var(--text-secondary);
    border: 1.5px solid var(--border-color);
}

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

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

.btn-success:hover {
    background: #059669;
}

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

.btn-warning:hover {
    background: #d97706;
}

.badge-primary {
    background: var(--primary-bg);
    color: var(--primary);
}

.action-btns {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
}

/* Form Input */
.form-input {
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:disabled {
    background: var(--bg-body);
    color: var(--text-muted);
    cursor: not-allowed;
}

.form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

/* Utility */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }