/* =============================================
   光遇身高工具箱 - 后台管理系统样式
   深色主题
   ============================================= */

/* CSS Variables */
:root {
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-card: #1e1e3a;
    --bg-card-hover: #252550;
    --bg-input: #2a2a5a;
    --bg-input-hover: #323270;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    --accent: #4a9eff;
    --accent-hover: #6ab2ff;
    --accent-gradient: linear-gradient(135deg, #4a9eff, #00d4ff);
    --success: #66bb6a;
    --success-bg: rgba(102, 187, 106, 0.15);
    --warning: #ffb74d;
    --warning-bg: rgba(255, 183, 77, 0.15);
    --danger: #ef5350;
    --danger-bg: rgba(239, 83, 80, 0.15);
    --info: #42a5f5;
    --info-bg: rgba(66, 165, 245, 0.15);
    --sidebar-width: 250px;
    --sidebar-collapsed: 64px;
    --topbar-height: 56px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

a:hover {
    color: var(--accent-hover);
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

/* =============================================
   Login Page
   ============================================= */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(74, 158, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
}

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

.login-logo {
    width: 64px;
    height: 64px;
    background: var(--accent-bg);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.login-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 12px;
}

/* =============================================
   Form Elements
   ============================================= */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.15);
}

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

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2'%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: 36px;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-help {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-checkbox {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    accent-color: var(--accent);
    cursor: pointer;
}

.form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.form-col {
    flex: 1;
    min-width: 120px;
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: 16px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-label input {
    display: none;
}

.radio-text {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition);
}

.radio-label input:checked + .radio-text {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--info-bg);
}

.radio-dot {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: var(--transition);
}

.radio-label input:checked + .radio-text .radio-dot {
    border-color: var(--accent);
}

.radio-label input:checked + .radio-text .radio-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

/* Search Form */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    white-space: nowrap;
    font-family: inherit;
    line-height: 1.4;
}

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

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

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 4px 16px rgba(74, 158, 255, 0.4);
    transform: translateY(-1px);
}

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

.btn-success:hover:not(:disabled) {
    background: #57a55a;
}

.btn-warning {
    background: var(--warning);
    color: #1a1a2e;
}

.btn-warning:hover:not(:disabled) {
    background: #ffa726;
}

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

.btn-danger:hover:not(:disabled) {
    background: #e53935;
}

.btn-info {
    background: #17a2b8;
    color: #fff;
}

.btn-info:hover:not(:disabled) {
    background: #138496;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover:not(:disabled) {
    border-color: var(--border-color-hover);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
    gap: 4px;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 15px;
}

.btn-block {
    width: 100%;
}

/* =============================================
   Sidebar
   ============================================= */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    height: var(--topbar-height);
}

.sidebar-logo {
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 15px;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
    position: relative;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.25);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-text {
    flex: 1;
}

.nav-badge {
    display: inline-block;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9px;
    text-align: center;
    line-height: 18px;
}

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-muted);
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/* =============================================
   Main Content
   ============================================= */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

/* =============================================
   Topbar
   ============================================= */
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    overflow: hidden;
}

.breadcrumb-item {
    color: var(--text-muted);
    font-size: 13px;
    white-space: nowrap;
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--text-muted);
    opacity: 0.5;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.user-info:hover {
    background: rgba(255, 255, 255, 0.05);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: var(--transition);
    z-index: 100;
}

.user-info:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.user-dropdown a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* =============================================
   Page Content
   ============================================= */
.page-content {
    flex: 1;
    padding: 24px;
}

.page-header {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
}

.page-title svg {
    color: var(--accent);
}

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

.page-desc {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 4px;
    margin-left: 34px;
}

/* =============================================
   Cards
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
}

.card-title svg {
    color: var(--accent);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
}

/* =============================================
   Stats Grid
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

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

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-primary .stat-icon {
    background: var(--info-bg);
    color: var(--accent);
}

.stat-success .stat-icon {
    background: var(--success-bg);
    color: var(--success);
}

.stat-warning .stat-icon {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-info .stat-icon {
    background: var(--info-bg);
    color: var(--info);
}

.stat-danger .stat-icon {
    background: var(--danger-bg);
    color: var(--danger);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* =============================================
   Data Tables
   ============================================= */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

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

/* Code Tag */
.code-tag {
    display: inline-block;
    padding: 3px 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--accent);
    border: 1px solid var(--border-color);
}

.code-tag.copyable {
    cursor: pointer;
    transition: var(--transition);
}

.code-tag.copyable:hover {
    background: rgba(74, 158, 255, 0.15);
    border-color: var(--accent);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

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

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

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

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

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

/* Action Buttons */
.action-btns {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
}

/* =============================================
   Pagination
   ============================================= */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.page-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #fff;
}

.page-btn:disabled,
.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-ellipsis {
    color: var(--text-muted);
    padding: 0 4px;
}

/* =============================================
   Modal
   ============================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.25s ease;
}

.modal-lg {
    max-width: 640px;
}

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

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

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
}

/* =============================================
   Charts
   ============================================= */
.chart-container {
    width: 100%;
    height: 120px;
}

.chart-container canvas {
    width: 100%;
    height: 100%;
}

/* =============================================
   Quick Actions
   ============================================= */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.quick-action-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =============================================
   Announcement
   ============================================= */
.announce-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

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

/* =============================================
   Spinner / Loading
   ============================================= */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* =============================================
   Toast Notifications
   ============================================= */
#toastContainer {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    pointer-events: none;
    min-width: 200px;
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--danger);
}

.toast-warning {
    background: var(--warning);
    color: #1a1a2e;
}

.toast-info {
    background: var(--info);
}

/* =============================================
   Form Actions
   ============================================= */
.form-actions {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
    }

    .sidebar-close {
        display: block;
    }

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

    .menu-toggle {
        display: block;
    }

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

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

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

    .page-content {
        padding: 16px;
    }

    .topbar {
        padding: 0 16px;
    }

    .form-row {
        flex-direction: column;
    }

    .form-col {
        min-width: 100%;
    }

    .modal-content {
        max-width: 100%;
        margin: 10px;
    }

    .user-name {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-grid.stats-sm {
        grid-template-columns: 1fr;
    }

    .quick-actions {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .login-box {
        padding: 28px 20px;
    }
}