/* Admin design system, ported from AIStoryBuildersPro. Every rule is scoped under .admin-root so the
   rest of the site is untouched. Light-theme values point at the site design tokens in theme.css
   (docs/UI-Refresh-Mockup-Alignment.md §5.4). Icons are Radzen Material icons (.rzi). */

.admin-root {
    --admin-bg: var(--bd-surface-alt);
    --admin-surface: var(--bd-surface);
    --admin-surface-alt: var(--bd-surface-alt);
    --admin-border: var(--bd-border);
    --admin-border-strong: var(--bd-border-strong);
    --admin-text: var(--bd-text);
    --admin-text-muted: var(--bd-muted);
    --admin-accent: var(--bd-accent);
    --admin-accent-hover: var(--bd-accent-hover);
    --admin-accent-soft: var(--bd-accent-soft);
    --admin-success: var(--bd-success-fg);
    --admin-success-soft: var(--bd-success-bg);
    --admin-warning: var(--bd-warning-fg);
    --admin-warning-soft: var(--bd-warning-bg);
    --admin-danger: var(--bd-danger-fg);
    --admin-danger-soft: var(--bd-danger-bg);
    --admin-neutral-soft: var(--bd-neutral-bg);
    --admin-radius: var(--bd-radius);
    --admin-radius-sm: var(--bd-radius-sm);
    --admin-shadow: var(--bd-shadow);
    --admin-shadow-lg: 0 10px 32px rgba(16, 24, 40, .18);
    --admin-space-1: 4px;
    --admin-space-2: 8px;
    --admin-space-3: 12px;
    --admin-space-4: 16px;
    --admin-space-5: 24px;
    --admin-space-6: 32px;
    --admin-row-height: 40px;
    color: var(--admin-text);
}

[data-theme="dark"] .admin-root {
    --admin-bg: #14161a;
    --admin-surface: #1b1e24;
    --admin-surface-alt: #21252c;
    --admin-border: #2c313a;
    --admin-border-strong: #3a4049;
    --admin-text: #e7eaee;
    --admin-text-muted: #9aa4b0;
    --admin-accent: #8b7ef5;
    --admin-accent-hover: #a094f8;
    --admin-accent-soft: #2a2545;
    --admin-success: #5dd18c;
    --admin-success-soft: #17301f;
    --admin-warning: #e0b055;
    --admin-warning-soft: #33280f;
    --admin-danger: #f08a83;
    --admin-danger-soft: #351a18;
    --admin-neutral-soft: #262a31;
    --admin-shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 1px 3px rgba(0, 0, 0, .30);
    --admin-shadow-lg: 0 10px 32px rgba(0, 0, 0, .55);
}

/* ---------- Page shell ---------- */

.admin-root {
    display: block;
    padding: 0;
    max-width: none;
    margin: 0 auto;
}

.admin-page__breadcrumb {
    font-size: 12px;
    color: var(--admin-text-muted);
    margin-bottom: var(--admin-space-2);
}

.admin-page__breadcrumb a {
    color: inherit;
    text-decoration: none;
}

.admin-page__breadcrumb a:hover {
    color: var(--admin-accent);
    text-decoration: underline;
}

.admin-page__breadcrumb .sep {
    margin: 0 6px;
    opacity: .6;
}

.admin-page__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--admin-space-4);
    flex-wrap: wrap;
    margin-bottom: var(--admin-space-5);
}

.admin-page__title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.25;
    margin: 0;
    color: var(--admin-text);
}

.admin-page__subtitle {
    font-size: 13px;
    color: var(--admin-text-muted);
    margin: var(--admin-space-1) 0 0;
    max-width: 78ch;
}

.admin-page__actions {
    display: flex;
    align-items: center;
    gap: var(--admin-space-2);
    flex-shrink: 0;
}

.admin-page__body > * + * {
    margin-top: var(--admin-space-5);
}

/* ---------- Surface / card ---------- */

.admin-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
}

.admin-card__header {
    padding: var(--admin-space-3) var(--admin-space-4);
    border-bottom: 1px solid var(--admin-border);
    font-size: 14px;
    font-weight: 600;
}

.admin-card__body {
    padding: var(--admin-space-4);
}

/* ---------- KPI tiles ---------- */

.admin-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--admin-space-3);
}

.admin-kpi {
    display: flex;
    flex-direction: column;
    gap: var(--admin-space-1);
    padding: var(--admin-space-4);
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    text-decoration: none;
    color: inherit;
    transition: border-color .15s ease, transform .15s ease;
}

a.admin-kpi:hover {
    border-color: var(--admin-accent);
    transform: translateY(-1px);
}

.admin-kpi__label {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--admin-text-muted);
}

.admin-kpi__value {
    font-size: 26px;
    font-weight: 600;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

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

.admin-kpi__bar {
    height: 4px;
    border-radius: 999px;
    background: var(--admin-neutral-soft);
    overflow: hidden;
    margin-top: var(--admin-space-1);
}

.admin-kpi__bar > span {
    display: block;
    height: 100%;
    background: var(--admin-accent);
}

/* ---------- Toolbar ---------- */

.admin-toolbar {
    display: flex;
    align-items: center;
    gap: var(--admin-space-2);
    flex-wrap: wrap;
    padding: var(--admin-space-3);
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-bottom: none;
    border-radius: var(--admin-radius) var(--admin-radius) 0 0;
}

.admin-toolbar__search {
    position: relative;
    flex: 0 1 320px;
    min-width: 200px;
}

.admin-toolbar__search .rzi {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-text-muted);
    font-size: 13px;
    pointer-events: none;
}

.admin-toolbar__search input {
    width: 100%;
    height: 34px;
    padding: 0 30px 0 30px;
    font-size: 13px;
    color: var(--admin-text);
    background: var(--admin-surface-alt);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
}

.admin-toolbar__search input:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px var(--admin-accent-soft);
}

.admin-toolbar__search .admin-toolbar__clear {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--admin-text-muted);
    line-height: 1;
    padding: 4px 6px;
    border-radius: var(--admin-radius-sm);
    cursor: pointer;
}

.admin-toolbar__spacer {
    flex: 1 1 auto;
}

.admin-toolbar__filters {
    display: flex;
    align-items: center;
    gap: var(--admin-space-2);
    flex-wrap: wrap;
}

.admin-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-field > label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--admin-text-muted);
}

.admin-field select,
.admin-field input,
.admin-field textarea {
    height: 34px;
    padding: 0 8px;
    font-size: 13px;
    color: var(--admin-text);
    background: var(--admin-surface-alt);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
}

.admin-field textarea {
    height: auto;
    padding: 8px;
    resize: vertical;
}

.admin-field select:focus,
.admin-field input:focus,
.admin-field textarea:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px var(--admin-accent-soft);
}

.admin-field--invalid input,
.admin-field--invalid textarea,
.admin-field--invalid select {
    border-color: var(--admin-danger);
}

.admin-field__error {
    font-size: 12px;
    color: var(--admin-danger);
}

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

/* ---------- Buttons ---------- */

.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 12px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    border-radius: var(--admin-radius-sm);
    border: 1px solid var(--admin-border-strong);
    background: var(--admin-surface);
    color: var(--admin-text);
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
}

.admin-btn:hover:not(:disabled) {
    background: var(--admin-neutral-soft);
}

.admin-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--admin-accent-soft);
}

.admin-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}

.admin-btn--primary {
    background: var(--bd-primary);
    border-color: var(--bd-primary);
    color: #fff;
}

.admin-btn--primary:hover:not(:disabled) {
    background: var(--bd-primary-hover);
    border-color: var(--bd-primary-hover);
}

.admin-btn--danger {
    color: var(--admin-danger);
    border-color: var(--admin-danger);
    background: transparent;
}

.admin-btn--danger:hover:not(:disabled) {
    background: var(--admin-danger-soft);
}

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

.admin-btn--sm {
    height: 28px;
    padding: 0 8px;
    font-size: 12px;
}

.admin-btn--icon {
    width: 28px;
    height: 28px;
    padding: 0;
    justify-content: center;
}

.admin-root .rzi.spin {
    animation: admin-spin 1s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .admin-root .rzi.spin { animation: none; }
}

/* ---------- Status badge ---------- */

.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 500;
    line-height: 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
}

.admin-badge__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex: none;
}

.admin-badge--neutral {
    background: var(--admin-neutral-soft);
    color: var(--admin-text-muted);
    border-color: var(--admin-border);
}

.admin-badge--success {
    background: var(--admin-success-soft);
    color: var(--admin-success);
    border-color: var(--admin-success);
}

.admin-badge--warning {
    background: var(--admin-warning-soft);
    color: var(--admin-warning);
    border-color: var(--admin-warning);
}

.admin-badge--danger {
    background: var(--admin-danger-soft);
    color: var(--admin-danger);
    border-color: var(--admin-danger);
}

.admin-badge--info {
    background: var(--admin-accent-soft);
    color: var(--admin-accent);
    border-color: var(--admin-accent);
}

/* ---------- Grid ---------- */

.admin-grid-wrap {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 0 0 var(--admin-radius) var(--admin-radius);
    box-shadow: var(--admin-shadow);
    overflow: hidden;
}

.admin-grid-wrap--standalone {
    border-radius: var(--admin-radius);
}

.admin-grid-wrap .rz-datatable {
    border: none;
    background: transparent;
    font-size: 13px;
}

.admin-grid-wrap .rz-datatable-thead th,
.admin-grid-wrap th.rz-column-title {
    background: var(--admin-surface-alt);
    color: var(--admin-text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 1px solid var(--admin-border);
}

.admin-grid-wrap .rz-data-row > td,
.admin-grid-wrap .rz-datatable-data > tr > td {
    padding: 8px 12px;
    height: var(--admin-row-height);
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text);
}

.admin-grid-wrap .rz-data-row:hover > td {
    background: var(--admin-surface-alt);
}

.admin-grid-wrap .rz-paginator {
    background: var(--admin-surface-alt);
    border-top: 1px solid var(--admin-border);
    border-bottom: none;
}

.admin-grid--compact {
    --admin-row-height: 32px;
}

.admin-num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.admin-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
}

.admin-cell-actions {
    display: flex;
    gap: 4px;
    justify-content: flex-end;
    align-items: center;
}

.admin-cell-sub {
    font-size: 11px;
    color: var(--admin-text-muted);
}

.admin-grid-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--admin-space-3);
    padding: var(--admin-space-2) var(--admin-space-3);
    font-size: 12px;
    color: var(--admin-text-muted);
    border-top: 1px solid var(--admin-border);
    background: var(--admin-surface-alt);
}

/* ---------- Skeleton / empty ---------- */

.admin-skeleton {
    padding: var(--admin-space-4);
}

.admin-skeleton__row {
    height: 14px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--admin-neutral-soft) 25%, var(--admin-border) 37%, var(--admin-neutral-soft) 63%);
    background-size: 400% 100%;
    animation: admin-shimmer 1.3s ease-in-out infinite;
}

.admin-skeleton__row + .admin-skeleton__row {
    margin-top: 12px;
}

@keyframes admin-shimmer {
    0% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

@media (prefers-reduced-motion: reduce) {
    .admin-skeleton__row { animation: none; }
}

.admin-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--admin-space-2);
    padding: var(--admin-space-6) var(--admin-space-4);
    text-align: center;
    color: var(--admin-text-muted);
}

.admin-empty__icon {
    font-size: 28px;
    opacity: .5;
}

.admin-empty__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--admin-text);
}

.admin-empty__body {
    font-size: 13px;
    max-width: 46ch;
}

/* ---------- Inline banner ---------- */

.admin-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--admin-space-2);
    padding: var(--admin-space-3);
    font-size: 13px;
    border-radius: var(--admin-radius-sm);
    border: 1px solid;
}

.admin-banner--info {
    background: var(--admin-accent-soft);
    border-color: var(--admin-accent);
    color: var(--admin-text);
}

.admin-banner--warning {
    background: var(--admin-warning-soft);
    border-color: var(--admin-warning);
    color: var(--admin-text);
}

.admin-banner--danger {
    background: var(--admin-danger-soft);
    border-color: var(--admin-danger);
    color: var(--admin-text);
}

/* ---------- Dialogs ---------- */

.admin-dialog {
    display: flex;
    flex-direction: column;
    gap: var(--admin-space-4);
    font-size: 13px;
    color: var(--admin-text);
}

.admin-dialog__context {
    display: flex;
    flex-wrap: wrap;
    gap: var(--admin-space-4);
    padding: var(--admin-space-3);
    background: var(--admin-surface-alt);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
}

.admin-dialog__context dt {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--admin-text-muted);
    margin: 0;
}

.admin-dialog__context dd {
    margin: 2px 0 0;
    font-size: 13px;
    font-weight: 500;
}

.admin-dialog__form {
    display: flex;
    flex-direction: column;
    gap: var(--admin-space-3);
}

.admin-dialog__row {
    display: flex;
    gap: var(--admin-space-3);
    flex-wrap: wrap;
}

.admin-dialog__row > .admin-field {
    flex: 1 1 180px;
}

.admin-dialog__footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--admin-space-2);
    padding-top: var(--admin-space-3);
    border-top: 1px solid var(--admin-border);
}

.admin-dialog__scroll {
    max-height: 60vh;
    overflow-y: auto;
}

/* Segmented control */

.admin-segmented {
    display: inline-flex;
    padding: 3px;
    gap: 3px;
    background: var(--admin-neutral-soft);
    border-radius: var(--admin-radius-sm);
}

.admin-segmented button {
    border: none;
    background: transparent;
    color: var(--admin-text-muted);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 4px;
    cursor: pointer;
}

.admin-segmented button[aria-pressed="true"] {
    background: var(--admin-surface);
    color: var(--admin-text);
    box-shadow: var(--admin-shadow);
}

.admin-segmented--issue button[aria-pressed="true"] {
    color: var(--admin-success);
}

.admin-segmented--deduct button[aria-pressed="true"] {
    color: var(--admin-danger);
}

/* Amount quick chips */

.admin-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.admin-chip {
    border: 1px solid var(--admin-border-strong);
    background: var(--admin-surface);
    color: var(--admin-text-muted);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 999px;
    cursor: pointer;
}

.admin-chip:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

/* Impact preview */

.admin-impact {
    padding: var(--admin-space-3);
    background: var(--admin-surface-alt);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
}

.admin-impact__line {
    display: flex;
    justify-content: space-between;
    gap: var(--admin-space-4);
    padding: 3px 0;
    font-variant-numeric: tabular-nums;
}

.admin-impact__line span:first-child {
    color: var(--admin-text-muted);
}

.admin-impact__line--total {
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--admin-border);
    font-weight: 600;
    font-size: 15px;
}

.admin-impact__line--negative span:last-child {
    color: var(--admin-danger);
}

.admin-impact__line--positive span:last-child {
    color: var(--admin-success);
}

/* Recent transaction list inside a dialog */

.admin-recent {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    overflow: hidden;
}

.admin-recent__head {
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--admin-text-muted);
    background: var(--admin-surface-alt);
    border-bottom: 1px solid var(--admin-border);
}

.admin-recent__item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--admin-space-3);
    padding: 6px 10px;
    font-size: 12px;
}

.admin-recent__item + .admin-recent__item {
    border-top: 1px solid var(--admin-border);
}

.admin-recent__amount {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.admin-recent__amount--pos { color: var(--admin-success); }
.admin-recent__amount--neg { color: var(--admin-danger); }

.admin-recent__detail {
    flex: 1;
    color: var(--admin-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 900px) {
    .admin-root { padding: var(--admin-space-4) var(--admin-space-3); }
    .admin-page__header { flex-direction: column; }
}

/* ---------- BlazorData.net additions ---------- */

.admin-btn .rzi { font-size: 16px; }
.admin-btn--sm .rzi { font-size: 14px; }
a.admin-btn { text-decoration: none; }
.admin-empty__icon.rzi { font-size: 32px; }

/* Radzen dialogs carry .admin-root for the tokens but must not get page padding. */
.admin-dialog-host.admin-root { padding: 0; max-width: none; }

.admin-grid-wrap--plain .rz-datatable { border: none; }

.admin-kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; font-size: 13px; }
.admin-kv dt { color: var(--admin-text-muted); font-weight: 500; }
.admin-kv dd { margin: 0; word-break: break-word; }

.admin-form-row { display: flex; gap: var(--admin-space-3); flex-wrap: wrap; align-items: flex-end; }
.admin-form-row > .admin-field { flex: 1 1 220px; }
.admin-form-row > .admin-field--narrow { flex: 0 1 160px; }

.admin-section-title { font-size: 15px; font-weight: 600; margin: 0 0 var(--admin-space-3); }

.admin-prose { max-width: 75ch; font-size: 14px; line-height: 1.6; }

.admin-danger-zone { border-color: var(--admin-danger); }
.admin-danger-zone .admin-card__header { color: var(--admin-danger); }

.admin-dev-link { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; }

/* ---------- Public pricing / legal pages (outside .admin-root) ---------- */

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin: 2rem 0; }
.pricing-card { background: #fff; border: 1px solid var(--bdn-border, #e5e7eb); border-radius: 12px; padding: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.pricing-card--featured { border-color: var(--bdn-brand, #4f46e5); box-shadow: 0 4px 18px rgba(79, 70, 229, .12); }
.pricing-card h2 { margin: 0; font-size: 1.25rem; }
.pricing-price { font-size: 2.25rem; font-weight: 700; line-height: 1; }
.pricing-price small { font-size: 1rem; font-weight: 500; color: var(--bdn-muted, #6b7280); }
.pricing-save { display: inline-block; align-self: flex-start; background: #e6f4ec; color: #167a3c; border-radius: 999px; padding: 2px 10px; font-size: 0.8rem; font-weight: 600; }
.pricing-list { margin: 0; padding-left: 1.2rem; line-height: 1.8; }
.faq { margin: 2rem 0; }
.faq h2 { margin-bottom: 1rem; }
.faq details { background: #fff; border: 1px solid var(--bdn-border, #e5e7eb); border-radius: 8px; padding: 0.75rem 1rem; margin-bottom: 0.5rem; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 0.75rem 0 0; color: #374151; line-height: 1.6; }
.legal-page { background: #fff; border: 1px solid var(--bdn-border, #e5e7eb); border-radius: 12px; padding: 2rem; line-height: 1.65; color: #1f2937; }
.legal-page h1 { margin-top: 0; }
.legal-page h2 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }
.legal-page .legal-updated { color: var(--bdn-muted, #6b7280); font-size: 0.9rem; }

/* ---------- Invitation page ---------- */

.invite-card { width: 100%; max-width: 520px; }

/* ---------- Danger zone ---------- */

.admin-danger-zone {
    border-left: 4px solid var(--bd-danger);
}