/* Portal Marketing — Design System */

:root,
[data-theme="light"] {
    --portal-primary: #4f46e5;
    --portal-primary-hover: #4338ca;
    --portal-accent: #0ea5e9;
    --portal-bg: #f8fafc;
    --portal-surface: #ffffff;
    --portal-surface-elevated: #ffffff;
    --portal-border: #e2e8f0;
    --portal-text: #0f172a;
    --portal-text-muted: #64748b;
    --portal-text-subtle: #94a3b8;
    --portal-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --portal-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --portal-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
    --portal-radius: 12px;
    --portal-radius-sm: 8px;
    --portal-sidebar-width: 280px;
    --portal-sidebar-mini: 72px;
    --portal-topbar-height: 64px;
    --portal-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --portal-primary: #818cf8;
    --portal-primary-hover: #a5b4fc;
    --portal-accent: #22d3ee;
    --portal-bg: #0f172a;
    --portal-surface: #1e293b;
    --portal-surface-elevated: #111827;
    --portal-border: #334155;
    --portal-text: #f1f5f9;
    --portal-text-muted: #94a3b8;
    --portal-text-subtle: #64748b;
    --portal-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
    --portal-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --portal-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.35);
}

html, body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background-color: var(--portal-bg);
    color: var(--portal-text);
    -webkit-font-smoothing: antialiased;
}

/* Shell */
.portal-shell {
    min-height: 100vh;
    background: var(--portal-bg) !important;
}

.portal-shell .mud-drawer {
    background: var(--portal-surface-elevated) !important;
    border-right: 1px solid var(--portal-border);
    transition: width var(--portal-transition);
}

.portal-shell .mud-main-content {
    background: var(--portal-bg);
    padding: 0 !important;
    min-height: 100vh;
}

.portal-main {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

.portal-content {
    flex: 1;
    animation: portal-fade-in 0.35s ease-out;
}

@keyframes portal-fade-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sidebar */
.portal-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0.75rem 0;
}

.portal-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem 1.25rem;
    margin: 0 0.5rem;
    border-bottom: 1px solid var(--portal-border);
    min-height: 56px;
}

.portal-sidebar-brand--mini {
    justify-content: center;
    padding: 0.5rem;
}

.portal-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--portal-primary), var(--portal-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--portal-shadow-sm);
}

.portal-brand-text {
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.02em;
    color: var(--portal-text);
    line-height: 1.2;
}

.portal-brand-sub {
    font-size: 0.7rem;
    color: var(--portal-text-muted);
    font-weight: 500;
}

.portal-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0.5rem;
}

.portal-sidebar-footer {
    padding: 0.75rem 0.5rem;
    border-top: 1px solid var(--portal-border);
    margin-top: auto;
}

.portal-nav-menu .mud-nav-link {
    border-radius: var(--portal-radius-sm) !important;
    margin-bottom: 2px;
    font-weight: 500;
    transition: background var(--portal-transition), color var(--portal-transition);
}

.portal-nav-menu .mud-nav-link.active {
    background: color-mix(in srgb, var(--portal-primary) 12%, transparent) !important;
    color: var(--portal-primary) !important;
}

.portal-nav-menu .mud-nav-link:hover:not(.active) {
    background: color-mix(in srgb, var(--portal-text) 5%, transparent) !important;
}

/*.portal-nav-menu .mud-nav-group .mud-nav-link {
    padding-left: 2.5rem !important;
}*/

/* Topbar */
.portal-topbar {
    height: var(--portal-topbar-height);
    min-height: var(--portal-topbar-height);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1rem;
    background: var(--portal-surface);
    border-bottom: 1px solid var(--portal-border);
    position: sticky;
    top: 0;
    z-index: 1100;
    backdrop-filter: blur(8px);
}

@media (min-width: 768px) {
    .portal-topbar {
        padding: 0 1.5rem;
    }
}

.portal-topbar-search {
    flex: 1;
    max-width: 420px;
}

.portal-topbar-search .mud-input-root {
    background: var(--portal-bg);
    border-radius: var(--portal-radius-sm);
}

.portal-topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
}

.portal-shell .mud-appbar.portal-topbar .mud-toolbar {
    width: 100%;
    min-height: var(--portal-topbar-height);
    padding: 0 0.5rem;
}

@media (min-width: 768px) {
    .portal-shell .mud-appbar.portal-topbar .mud-toolbar {
        padding: 0 0.75rem;
    }
}

.portal-icon-btn {
    transition: transform var(--portal-transition), background var(--portal-transition);
}

.portal-icon-btn:hover {
    transform: translateY(-1px);
}

/* Cards & KPIs */
.portal-card {
    background: var(--portal-surface) !important;
    border: 1px solid var(--portal-border) !important;
    border-radius: var(--portal-radius) !important;
    box-shadow: var(--portal-shadow-sm) !important;
    transition: box-shadow var(--portal-transition), transform var(--portal-transition);
    padding: var(--portal-space-5) !important;
}

@media (min-width: 768px) {
    .portal-card {
        padding: var(--portal-space-6) !important;
    }
}

.portal-card:hover {
    box-shadow: var(--portal-shadow) !important;
}

.portal-card--interactive:hover {
    transform: translateY(-2px);
}

.portal-kpi.portal-card {
    padding: var(--portal-space-5) var(--portal-space-6) !important;
}

.portal-kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--portal-text);
}

.portal-kpi-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--portal-text-muted);
    margin-top: 0.25rem;
}

.portal-kpi-trend {
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
    margin-top: 0.5rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
}

.portal-kpi-trend--up {
    color: #10b981;
    background: color-mix(in srgb, #10b981 12%, transparent);
}

.portal-kpi-trend--down {
    color: #ef4444;
    background: color-mix(in srgb, #ef4444 12%, transparent);
}

/* Page header */
.portal-page-header {
    margin-bottom: 1.5rem;
}

.portal-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--portal-text);
    margin: 0;
}

.portal-page-subtitle {
    font-size: 0.9375rem;
    color: var(--portal-text-muted);
    margin-top: 0.25rem;
}

/* Data tables */
.portal-data-table {
    background: var(--portal-surface) !important;
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius);
    overflow: hidden;
    box-shadow: var(--portal-shadow-sm);
}

.portal-data-table .mud-table-toolbar {
    padding: 1rem 1.25rem !important;
    border-bottom: 1px solid var(--portal-border);
}

.portal-data-table .mud-table-head .mud-table-cell {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--portal-text-muted);
}

/* Empty state */
.portal-empty {
    text-align: center;
    padding: 3rem 1.5rem;
}

.portal-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: color-mix(in srgb, var(--portal-primary) 10%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--portal-primary);
}

/* Skeleton */
.portal-skeleton-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* Status badges */
.portal-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.portal-badge--success {
    color: #059669;
    background: color-mix(in srgb, #10b981 15%, transparent);
}

.portal-badge--warning {
    color: #d97706;
    background: color-mix(in srgb, #f59e0b 15%, transparent);
}

.portal-badge--error {
    color: #dc2626;
    background: color-mix(in srgb, #ef4444 15%, transparent);
}

.portal-badge--info {
    color: #2563eb;
    background: color-mix(in srgb, #3b82f6 15%, transparent);
}

.portal-badge--neutral {
    color: var(--portal-text-muted);
    background: color-mix(in srgb, var(--portal-text-muted) 12%, transparent);
}

[data-theme="dark"] .portal-badge--success { color: #34d399; }
[data-theme="dark"] .portal-badge--warning { color: #fbbf24; }
[data-theme="dark"] .portal-badge--error { color: #f87171; }
[data-theme="dark"] .portal-badge--info { color: #60a5fa; }

/* Forms */
.portal-form-section {
    padding: 1.5rem;
}

.portal-form-section + .portal-form-section {
    border-top: 1px solid var(--portal-border);
}

/* Dialog */
.portal-dialog .mud-dialog-title {
    font-weight: 600;
}

/* Scrollbar */
.portal-sidebar-nav::-webkit-scrollbar,
.portal-content::-webkit-scrollbar {
    width: 6px;
}

.portal-sidebar-nav::-webkit-scrollbar-thumb,
.portal-content::-webkit-scrollbar-thumb {
    background: var(--portal-border);
    border-radius: 3px;
}

/* Mud overrides */
.mud-button-root {
    text-transform: none !important;
    font-weight: 500 !important;
    border-radius: var(--portal-radius-sm) !important;
}

.mud-input-outlined .mud-input-outlined-border {
    border-radius: var(--portal-radius-sm) !important;
}

.mud-dialog {
    border-radius: var(--portal-radius) !important;
}

.mud-snackbar {
    border-radius: var(--portal-radius-sm) !important;
}

/* ─── Design tokens (mobile-first) ─── */
:root {
    --portal-space-1: 0.25rem;
    --portal-space-2: 0.5rem;
    --portal-space-3: 0.75rem;
    --portal-space-4: 1rem;
    --portal-space-5: 1.25rem;
    --portal-space-6: 1.5rem;
    --portal-space-8: 2rem;
    --portal-bp-sm: 640px;
    --portal-bp-md: 768px;
    --portal-bp-lg: 1024px;
    --portal-bp-xl: 1280px;
}

/* ─── Page layout ─── */
.portal-page {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
}

.portal-content {
    padding: var(--portal-space-4);
}

@media (min-width: 768px) {
    .portal-content {
        padding: var(--portal-space-6) var(--portal-space-8);
    }
}

.portal-page-header {
    margin-bottom: var(--portal-space-5);
}

@media (min-width: 768px) {
    .portal-page-header {
        margin-bottom: var(--portal-space-6);
    }

    .portal-page-title {
        font-size: 1.75rem;
    }
}

.portal-page-title {
    font-size: 1.375rem;
}

/* ─── Data toolbar (mobile-first stack) ─── */
.portal-table-section {
    display: flex;
    flex-direction: column;
    gap: var(--portal-space-4);
    width: 100%;
}

.portal-data-toolbar {
    display: flex;
    flex-direction: column;
    gap: var(--portal-space-3);
    width: 100%;
}

@media (min-width: 640px) {
    .portal-data-toolbar {
        flex-direction: row;
        align-items: center;
    }
}

.portal-data-toolbar-search {
    flex: 1;
    width: 100%;
    min-width: 0;
}

.portal-data-toolbar-action {
    width: 100%;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .portal-data-toolbar-action {
        width: auto;
    }
}

/* ─── Responsive tables ─── */
.portal-table-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--portal-radius);
}

.portal-table-scroll .portal-data-table {
    min-width: 100%;
}

.portal-data-table.mud-table {
    background: var(--portal-surface) !important;
}

.portal-data-table .mud-table-pagination {
    border-top: 1px solid var(--portal-border);
    flex-wrap: wrap;
    gap: var(--portal-space-2);
}

.portal-data-table .mud-table-row:hover {
    background: color-mix(in srgb, var(--portal-primary) 4%, transparent) !important;
}

/* Hide built-in toolbar when using external DataPageToolbar */
.portal-data-table--no-toolbar .mud-table-toolbar {
    display: none !important;
}

/* ─── Dialogs ─── */
.portal-dialog.mud-dialog {
    margin: var(--portal-space-4);
}

.portal-dialog .mud-dialog-title {
    padding: var(--portal-space-4) var(--portal-space-5) 0 !important;
}

.portal-dialog .mud-dialog-content {
    padding: var(--portal-space-4) var(--portal-space-5) !important;
}

.portal-dialog .mud-dialog-actions {
    padding: var(--portal-space-3) var(--portal-space-5) var(--portal-space-5) !important;
    flex-wrap: wrap;
    gap: var(--portal-space-2);
}

.portal-dialog-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--portal-space-4);
    width: 100%;
}

.portal-dialog-header-title-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--portal-space-3);
}

.portal-dialog-title {
    font-weight: 600 !important;
    color: var(--portal-text) !important;
    letter-spacing: -0.02em;
}

.portal-dialog-event-total {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.portal-dialog-avatar {
    flex-shrink: 0;
}

.portal-dialog-save {
    min-width: 120px;
}

@media (max-width: 639px) {
    .portal-dialog .mud-dialog-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .portal-dialog .mud-dialog-actions .mud-button-root {
        width: 100%;
    }
}

/* ─── Forms in dialogs / pages ─── */
.portal-form-grid .mud-input-control {
    width: 100%;
}

/* ─── KPI grid mobile-first ─── */
.portal-kpi-grid {
    display: grid;
    gap: var(--portal-space-4);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .portal-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portal-kpi-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ─── Topbar mobile ─── */
.portal-topbar-mobile-search {
    padding: 0 var(--portal-space-4) var(--portal-space-3);
    background: var(--portal-surface);
    border-bottom: 1px solid var(--portal-border);
}

.portal-topbar-brand-mobile {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--portal-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

@media (min-width: 768px) {
    .portal-topbar-brand-mobile {
        display: none;
    }
}

/* ─── Drawer overlay mobile ─── */
@media (max-width: 767px) {
    .portal-shell .mud-drawer--open.mud-drawer-responsive {
        box-shadow: var(--portal-shadow-lg);
    }
}

/* ─── Dark mode: Mud surfaces ─── */
[data-theme="dark"] .mud-paper,
.mud-theme-dark .mud-paper {
    background-color: var(--portal-surface);
}

[data-theme="dark"] .mud-input-outlined .mud-input-outlined-border,
.mud-theme-dark .mud-input-outlined .mud-input-outlined-border {
    border-color: var(--portal-border);
}

[data-theme="dark"] .mud-table-cell,
.mud-theme-dark .mud-table-cell {
    color: var(--portal-text);
}

[data-theme="dark"] .portal-topbar,
.mud-theme-dark .portal-topbar {
    background: color-mix(in srgb, var(--portal-surface-elevated) 92%, transparent);
}

/* ─── Chart responsive ─── */
.portal-chart-wrap {
    width: 100%;
    overflow-x: auto;
}

/* ─── Empty / loading ─── */
.portal-skeleton-grid {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .portal-skeleton-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portal-skeleton-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ─── Utility: prevent horizontal page scroll ─── */
.portal-main,
.portal-page,
.portal-table-scroll {
    max-width: 100%;
}

.portal-card--flat:hover {
    transform: none;
    box-shadow: var(--portal-shadow-sm) !important;
}

.portal-page-actions {
    width: 100%;
    margin-top: var(--portal-space-3);
}

@media (min-width: 640px) {
    .portal-page-actions {
        width: auto;
        margin-top: 0;
    }
}

/* ─── Item form (SAP B1 style) ─── */
.item-dialog .mud-dialog-content {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
}

.item-form-header {
    display: flex;
    flex-direction: column;
    gap: var(--portal-space-4);
    margin-bottom: var(--portal-space-5);
    padding-bottom: var(--portal-space-4);
    border-bottom: 1px solid var(--portal-border);
}

.item-form-header-code {
    font-weight: 700 !important;
    letter-spacing: -0.02em;
    color: var(--portal-text) !important;
}

.item-form-header-name {
    margin-top: var(--portal-space-1);
}

.item-form-kpi-grid {
    margin-top: var(--portal-space-2);
}

.item-form-kpi {
    min-height: 88px;
}

.item-form-kpi--available .portal-kpi-value {
    color: var(--portal-primary);
}

.item-form-tabs {
    margin-top: var(--portal-space-2);
}

.item-form-tabs .mud-tabs-tabbar {
    border-bottom: 1px solid var(--portal-border);
    overflow-x: auto;
}

.item-form-tabs .mud-tab.mud-tab-active {
    color: var(--portal-primary) !important;
    font-weight: 600;
}

.item-form-tabs .mud-tabs-slider {
    background: var(--portal-primary) !important;
    height: 3px;
}

.item-form-tab-panel {
    padding: var(--portal-space-5) 0 !important;
}

.portal-form-section-card {
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: var(--portal-radius-sm);
    padding: var(--portal-space-4);
}

.portal-form-section-card + .portal-form-section-card,
.mt-3.portal-form-section-card {
    margin-top: var(--portal-space-4);
}

.portal-form-section-title {
    font-weight: 600 !important;
    margin-bottom: var(--portal-space-3) !important;
    color: var(--portal-text) !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.75rem !important;
}

.portal-image-upload {
    border: 2px dashed var(--portal-border);
    border-radius: var(--portal-radius-sm);
    padding: var(--portal-space-5);
    text-align: center;
    transition: border-color var(--portal-transition), background var(--portal-transition);
    background: color-mix(in srgb, var(--portal-bg) 50%, transparent);
}

.portal-image-upload--dragging {
    border-color: var(--portal-primary);
    background: color-mix(in srgb, var(--portal-primary) 6%, transparent);
}

.portal-image-upload--disabled {
    opacity: 0.65;
    pointer-events: none;
}

.portal-image-upload-preview {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.portal-image-upload-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--portal-radius-sm);
    object-fit: contain;
}

.portal-image-upload-remove {
    position: absolute !important;
    top: 4px;
    right: 4px;
}

.portal-image-upload-actions {
    margin-top: var(--portal-space-3);
}

.portal-search-select .mud-input-root {
    min-height: 40px;
}

@media (min-width: 1024px) {
    .item-form-header {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }

    .item-form-kpi-grid {
        flex: 1;
        max-width: 720px;
    }
}