:root {
    --aiv-color-canvas: #f2f5f9;
    --aiv-color-surface: #ffffff;
    --aiv-color-surface-subtle: #f8fafc;
    --aiv-color-surface-highlight: #eaf3ff;
    --aiv-color-text: #0f172a;
    --aiv-color-text-muted: #64748b;
    --aiv-color-border: #dbe3ef;
    --aiv-color-border-strong: #cbd5e1;
    --aiv-color-primary: #0d6efd;
    --aiv-color-primary-hover: #0b5ed7;
    --aiv-color-success: #15803d;
    --aiv-color-success-bg: #e9f8ef;
    --aiv-color-warning: #c2410c;
    --aiv-color-warning-bg: #fff4e5;
    --aiv-color-danger: #dc2626;
    --aiv-color-danger-bg: #fff0f0;
    --aiv-radius-sm: 6px;
    --aiv-radius-md: 8px;
    --aiv-radius-lg: 12px;
    --aiv-shadow-card: 0 1px 3px rgba(15, 23, 42, .06);
    --aiv-focus-ring: 0 0 0 3px rgba(13, 110, 253, .22);
    --aiv-space-1: 4px;
    --aiv-space-2: 8px;
    --aiv-space-3: 12px;
    --aiv-space-4: 16px;
    --aiv-space-5: 20px;
    --aiv-space-6: 24px;

    /* Backward-compatible aliases while legacy views are migrated. */
    --bg: var(--aiv-color-canvas);
    --surface: var(--aiv-color-surface);
    --ink: var(--aiv-color-text);
    --muted: var(--aiv-color-text-muted);
    --line: var(--aiv-color-border);
    --accent: var(--aiv-color-primary);
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 2px solid var(--aiv-color-primary);
    outline-offset: 2px;
    box-shadow: var(--aiv-focus-ring);
}

.ds-card {
    min-width: 0;
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-lg);
    background: var(--aiv-color-surface);
    box-shadow: var(--aiv-shadow-card);
}

.ds-page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--aiv-space-4);
    margin-bottom: var(--aiv-space-4);
}

.ds-page-title {
    margin: 0;
    color: var(--aiv-color-text);
    font-size: 28px;
    font-weight: 800;
    line-height: 1.15;
}

.ds-page-subtitle {
    margin: 6px 0 0;
    color: var(--aiv-color-text-muted);
    font-size: 14px;
}

.ds-kpi-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--aiv-space-3);
}

.ds-kpi {
    min-height: 130px;
    padding: var(--aiv-space-5);
}

.ds-kpi--featured {
    border-color: #b9d5fb;
    background: var(--aiv-color-surface-highlight);
}

.ds-kpi__label {
    color: var(--aiv-color-text);
    font-size: 14px;
    line-height: 1.3;
}

.ds-kpi__value {
    margin-top: var(--aiv-space-3);
    color: var(--aiv-color-text);
    font-size: 30px;
    font-weight: 900;
    line-height: 1;
}

.ds-badge {
    display: inline-flex;
    align-items: center;
    width: max-content;
    max-width: 100%;
    padding: 4px 8px;
    border-radius: var(--aiv-radius-sm);
    font-size: 12px;
    font-weight: 800;
}

.ds-badge--success { background: var(--aiv-color-success-bg); color: var(--aiv-color-success); }
.ds-badge--warning { background: var(--aiv-color-warning-bg); color: var(--aiv-color-warning); }
.ds-badge--danger { background: var(--aiv-color-danger-bg); color: var(--aiv-color-danger); }
.ds-badge--muted { background: #f1f5f9; color: var(--aiv-color-text-muted); }

.ds-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    margin: 0;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: var(--aiv-radius-md);
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
}

.ds-button--primary {
    border-color: var(--aiv-color-primary);
    background: var(--aiv-color-primary);
    color: #fff;
}

.ds-button--primary:hover {
    border-color: var(--aiv-color-primary-hover);
    background: var(--aiv-color-primary-hover);
    color: #fff;
}

.ds-button--secondary {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1d4ed8;
}

.ds-button--danger {
    border-color: #fecdd3;
    background: #fff1f2;
    color: #b91c1c;
}

.ds-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-md);
    background: var(--aiv-color-surface);
}

.ds-alert {
    margin-bottom: var(--aiv-space-4);
    padding: 10px 12px;
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-md);
}

.ds-alert--success {
    border-color: #86efac;
    background: #dcfce7;
    color: #166534;
}

.ds-alert--danger {
    border-color: #fecaca;
    background: #fef2f2;
    color: #991b1b;
}

.ds-meta-strip {
    display: flex;
    align-items: center;
    gap: 8px 20px;
    flex-wrap: wrap;
    margin: -2px 0 var(--aiv-space-3);
    padding: 10px 14px;
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-md);
    background: var(--aiv-color-surface-subtle);
    color: var(--aiv-color-text-muted);
    font-size: 12px;
    line-height: 1.4;
}

.ds-meta-strip strong {
    color: var(--aiv-color-text);
    font-weight: 800;
}

.ds-filter-bar {
    display: flex;
    align-items: center;
    gap: var(--aiv-space-2);
    flex-wrap: wrap;
    width: 100%;
    padding: 10px;
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-md);
    background: var(--aiv-color-surface);
    box-shadow: var(--aiv-shadow-card);
}

.ds-multiselect {
    position: relative;
    min-width: 220px;
}

.ds-multiselect__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--aiv-space-2);
    width: 100%;
    min-height: 40px;
    margin: 0;
    padding: 8px 11px;
    border: 1px solid var(--aiv-color-border-strong);
    border-radius: var(--aiv-radius-md);
    background: var(--aiv-color-surface);
    color: var(--aiv-color-text);
    cursor: pointer;
}

.ds-multiselect__panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 30;
    display: none;
    width: max(100%, 320px);
    max-width: min(420px, calc(100vw - 32px));
    max-height: 360px;
    overflow-y: auto;
    padding: var(--aiv-space-2);
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-md);
    background: var(--aiv-color-surface);
    box-shadow: 0 12px 32px rgba(15, 23, 42, .16);
}

.ds-multiselect.open .ds-multiselect__panel {
    display: block;
}

.ds-multiselect__option {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 38px;
    margin: 0 0 4px;
    padding: 7px 9px;
    border: 1px solid transparent;
    border-radius: var(--aiv-radius-sm);
    color: var(--aiv-color-text);
    cursor: pointer;
}

.ds-multiselect__option:hover {
    border-color: var(--aiv-color-border);
    background: var(--aiv-color-surface-subtle);
}

.ds-multiselect__option.selected {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1e40af;
}

.ds-multiselect__option--all {
    position: sticky;
    top: -8px;
    z-index: 1;
    margin-bottom: var(--aiv-space-2);
    border-bottom-color: var(--aiv-color-border);
    background: var(--aiv-color-surface);
}

.ds-option-count {
    flex: 0 0 auto;
    min-width: 28px;
    padding: 2px 7px;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--aiv-color-text-muted);
    font-size: 11px;
    font-weight: 800;
    text-align: center;
}

.ds-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--aiv-space-3);
    flex-wrap: wrap;
}

.ds-pagination__meta {
    color: var(--aiv-color-text-muted);
    font-size: 12px;
}

.ds-pagination__list {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.ds-pagination__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    min-height: 32px;
    border: 1px solid var(--aiv-color-border);
    border-radius: var(--aiv-radius-sm);
    background: var(--aiv-color-surface);
    color: var(--aiv-color-text);
    text-decoration: none;
}

.ds-pagination__item:hover {
    border-color: var(--aiv-color-border-strong);
    background: var(--aiv-color-surface-subtle);
}

.ds-pagination__item--current {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1e3a8a;
    font-weight: 800;
}

.ds-pagination__item.is-disabled {
    color: #94a3b8;
    pointer-events: none;
}

.app-ajax-content.is-loading {
    position: relative;
    min-height: 180px;
    opacity: .62;
    pointer-events: none;
    transition: opacity .15s ease;
}

.app-ajax-content.is-loading::after {
    content: "Lap betöltése…";
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1050;
    padding: 9px 12px;
    border: 1px solid #bfdbfe;
    border-radius: var(--aiv-radius-md);
    background: #eff6ff;
    color: #1d4ed8;
    box-shadow: var(--aiv-shadow-card);
    font-size: 12px;
    font-weight: 800;
}

.ds-pagination-error {
    margin-bottom: var(--aiv-space-3);
    padding: 10px 12px;
    border: 1px solid #fecaca;
    border-radius: var(--aiv-radius-md);
    background: #fef2f2;
    color: #991b1b;
    font-size: 13px;
    font-weight: 700;
}

@media (max-width: 1180px) {
    .ds-kpi-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .ds-page-head { display: grid; }
    .ds-kpi-grid { grid-template-columns: 1fr; }
    .ds-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}