/* Shared public UI foundation: focus, feedback, forms, empty states. */
:root {
    --ui-foundation-ring: 0 0 0 3px color-mix(in srgb, var(--primary, #2563eb) 28%, transparent);
    --ui-foundation-danger: var(--danger, #dc2626);
    --ui-foundation-warning: var(--warning, #d97706);
    --ui-foundation-success: var(--success, #16a34a);
    --ui-foundation-info: var(--info, #2563eb);
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid color-mix(in srgb, var(--primary, #2563eb) 34%, transparent);
    outline-offset: 3px;
}

:where(.btn, .ui-admin-btn, .btn-submit-mod, .btn-cancel-mod, .download-card, .topic-dl-card):focus-visible {
    box-shadow: var(--ui-foundation-ring);
}

/* Shared component contracts. Use these for new or migrated UI. */
:where(.ui-stack) {
    display: grid;
    gap: var(--component-gap-md, 1rem);
}

:where(.ui-grid) {
    display: grid;
    gap: var(--component-gap-md, 1rem);
}

:where(.ui-cluster) {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--component-gap-sm, .75rem);
}

:where(.ui-container) {
    width: min(100%, var(--container-xl, 1200px));
    margin-inline: auto;
    padding-inline: var(--container-padding, var(--space-4, 1rem));
}

:where(.ui-page) {
    min-width: 0;
}

:where(.ui-section) {
    min-width: 0;
}

:where(.ui-surface, .ui-card, .ui-panel) {
    border: 1px solid var(--card-border, var(--ui-border, #d8dee8));
    border-radius: var(--card-radius, var(--ui-radius, 8px));
    background: var(--card-bg, var(--ui-surface, #fff));
    color: var(--color-text, var(--text, #111827));
    box-shadow: var(--card-shadow, var(--ui-shadow, none));
}

:where(.ui-card) {
    padding: var(--card-padding, 1.25rem);
}

:where(.ui-panel) {
    overflow: hidden;
}

:where(.ui-card__head, .ui-panel__head, .ui-card__body, .ui-panel__body, .ui-card__foot, .ui-panel__foot) {
    min-width: 0;
}

:where(.ui-card__head, .ui-panel__head, .ui-card__body, .ui-panel__body) {
    padding: var(--card-padding, 1.25rem);
}

:where(.ui-card__foot, .ui-panel__foot) {
    padding: var(--space-4, 1rem) var(--card-padding, 1.25rem);
}

:where(
    .ui-card__title,
    .ui-card__text,
    .ui-card__meta,
    .ui-card__media,
    .ui-card__actions,
    .ui-card__icon,
    .ui-card__badge,
    .ui-panel__title,
    .ui-panel__text,
    .ui-panel__meta,
    .ui-panel__media,
    .ui-panel__actions,
    .ui-panel__icon,
    .ui-panel__badge
) {
    min-width: 0;
}

.ui-button,
[data-ui-button] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, .5rem);
    min-height: var(--button-height, 2.5rem);
    max-width: 100%;
    padding: 0 var(--button-padding-x, 1rem);
    border: 1px solid transparent;
    border-radius: var(--button-radius, var(--control-radius, 8px));
    background: var(--color-primary, var(--primary, #8b1538));
    color: var(--color-on-primary, var(--on-primary, #fff));
    font: inherit;
    font-size: var(--button-font-size, .875rem);
    font-weight: var(--button-font-weight, 700);
    line-height: 1.1;
    letter-spacing: var(--letter-spacing-normal, 0);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-control, border-color 150ms ease, box-shadow 150ms ease, background-color 150ms ease, color 150ms ease);
}

.ui-button:hover,
[data-ui-button]:hover {
    background: var(--color-primary-hover, var(--primary-dark, #6d1029));
    color: var(--color-on-primary, #fff);
}

.ui-button:focus-visible,
[data-ui-button]:focus-visible {
    outline: 0;
    box-shadow: var(--state-focus-ring, var(--ui-foundation-ring));
}

.ui-button:disabled,
.ui-button[aria-disabled="true"],
[data-ui-button]:disabled,
[data-ui-button][aria-disabled="true"] {
    cursor: not-allowed;
    opacity: var(--state-disabled-opacity, .55);
}

.ui-button.is-loading,
[data-ui-button].is-loading,
[data-ui-button][aria-busy="true"] {
    cursor: progress;
    opacity: var(--state-loading-opacity, .72);
}

.ui-button--secondary {
    border-color: var(--color-border, var(--border, #d8dee8));
    background: var(--color-surface, var(--ui-surface, #fff));
    color: var(--color-text, var(--text, #111827));
}

.ui-button--secondary:hover {
    background: var(--state-hover-bg, var(--bg-hover, #eef2f7));
    color: var(--color-text, var(--text, #111827));
}

.ui-button--danger {
    background: var(--color-danger, #dc2626);
    color: #fff;
}

.ui-field {
    display: grid;
    gap: var(--space-2, .5rem);
    min-width: 0;
}

.ui-label {
    color: var(--color-text, var(--text, #111827));
    font-size: var(--font-size-sm, .875rem);
    font-weight: var(--font-weight-semibold, 700);
    line-height: var(--line-height-snug, 1.35);
}

.ui-input,
.ui-select,
.ui-textarea,
[data-ui-input] {
    width: 100%;
    min-height: var(--input-height, var(--control-height, 2.5rem));
    padding: var(--control-padding-y, .5rem) var(--input-padding-x, .75rem);
    border: 1px solid var(--input-border, var(--border, #d8dee8));
    border-radius: var(--input-radius, var(--control-radius, 8px));
    background: var(--input-bg, var(--ui-surface, #fff));
    color: var(--input-text, var(--text, #111827));
    font: inherit;
    font-size: var(--input-font-size, .875rem);
    line-height: var(--line-height-base, 1.5);
    transition: var(--transition-control, border-color 150ms ease, box-shadow 150ms ease);
}

.ui-textarea {
    min-height: 7.5rem;
    resize: vertical;
}

.ui-input::placeholder,
.ui-textarea::placeholder,
[data-ui-input]::placeholder {
    color: var(--input-placeholder, var(--text-light, #94a3b8));
}

.ui-input:focus,
.ui-select:focus,
.ui-textarea:focus,
[data-ui-input]:focus {
    border-color: var(--color-primary, var(--primary, #8b1538));
    outline: 0;
    box-shadow: var(--state-focus-ring, var(--ui-foundation-ring));
}

.ui-input:disabled,
.ui-select:disabled,
.ui-textarea:disabled,
[data-ui-input]:disabled {
    background: var(--state-disabled-bg, #f8fafc);
    color: var(--state-disabled-text, #94a3b8);
    cursor: not-allowed;
}

.ui-help,
.ui-error {
    font-size: var(--font-size-xs, .75rem);
    line-height: var(--line-height-snug, 1.35);
}

.ui-help {
    color: var(--color-text-muted, var(--text-dim, #64748b));
}

.ui-error {
    color: var(--state-error-text, var(--ui-foundation-danger));
    font-weight: var(--font-weight-semibold, 700);
}

.ui-check,
.ui-radio,
.ui-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2, .5rem);
    min-height: var(--control-height-sm, 2rem);
    color: var(--color-text, var(--text, #111827));
    font-size: var(--font-size-sm, .875rem);
    font-weight: var(--font-weight-medium, 500);
}

.ui-check input,
.ui-radio input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary, var(--primary, #8b1538));
}

.ui-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, .75rem);
    padding: var(--space-4, 1rem);
    border: 1px solid var(--color-border, #d8dee8);
    border-radius: var(--radius-card, 8px);
    background: var(--color-surface-muted, #f8fafc);
    color: var(--color-text, #111827);
    line-height: var(--line-height-base, 1.5);
}

.ui-alert--success {
    border-color: color-mix(in srgb, var(--color-success, #10b981) 34%, var(--color-border, #d8dee8));
    background: var(--state-success-bg, #d1fae5);
    color: var(--state-success-text, #10b981);
}

.ui-alert--warning {
    border-color: color-mix(in srgb, var(--color-warning, #b45309) 34%, var(--color-border, #d8dee8));
    background: var(--state-warning-bg, #fef3c7);
    color: var(--state-warning-text, #b45309);
}

.ui-alert--error {
    border-color: color-mix(in srgb, var(--color-danger, #dc2626) 34%, var(--color-border, #d8dee8));
    background: var(--state-error-bg, #fee2e2);
    color: var(--state-error-text, #dc2626);
}

.ui-alert--info {
    border-color: color-mix(in srgb, var(--color-info, #2563eb) 34%, var(--color-border, #d8dee8));
    background: var(--state-info-bg, #dbeafe);
    color: var(--state-info-text, #2563eb);
}

.ui-toast-bridged-alert {
    display: none !important;
}

.topic-toast-container {
    z-index: var(--z-toast, 1200);
    gap: .72rem;
    max-width: min(100vw, 28rem);
    padding: clamp(.72rem, 2vw, 1.1rem);
}

.topic-toast-container .topic-toast {
    --toast-accent: #2563eb;
    --toast-icon-bg: color-mix(in srgb, var(--toast-accent) 12%, #ffffff);
    --toast-text-color: #0f172a;
    --toast-surface-top: rgba(255, 255, 255, .97);
    --toast-surface-bottom: rgba(244, 248, 255, .95);
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: .72rem;
    width: min(27rem, calc(100vw - 1rem));
    max-width: 100%;
    min-width: 0;
    padding: .84rem 1rem .84rem .9rem;
    border: 1px solid color-mix(in srgb, var(--toast-accent) 24%, #d8dee8) !important;
    border-left-width: 4px;
    border-left-color: var(--toast-accent) !important;
    border-radius: 14px !important;
    background: linear-gradient(180deg, var(--toast-surface-top), var(--toast-surface-bottom)) !important;
    color: var(--toast-text-color) !important;
    box-shadow: 0 14px 30px rgba(15, 23, 42, .16), 0 4px 12px rgba(15, 23, 42, .08) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: transform .24s ease, opacity .24s ease;
}

.topic-toast-container .topic-toast.toast-success {
    --toast-accent: #16a34a;
}

.topic-toast-container .topic-toast.toast-error {
    --toast-accent: #dc2626;
}

.topic-toast-container .topic-toast.toast-warning {
    --toast-accent: #d97706;
}

.topic-toast-container .topic-toast.toast-info {
    --toast-accent: #2563eb;
}

.topic-toast-container .topic-toast.toast-theme-default,
.topic-toast-container .topic-toast.toast-theme-minimal {
    background: linear-gradient(180deg, var(--toast-surface-top), var(--toast-surface-bottom)) !important;
}

.topic-toast-container .topic-toast.toast-theme-glass {
    background: linear-gradient(180deg, rgba(20, 30, 45, .84), rgba(12, 19, 32, .84)) !important;
    color: #e2e8f0 !important;
    border-color: rgba(255, 255, 255, .15) !important;
    box-shadow: 0 16px 32px rgba(2, 6, 23, .38), inset 0 1px 0 rgba(255, 255, 255, .08) !important;
}

.topic-toast-container .topic-toast.toast-theme-colored {
    color: #f8fafc !important;
    box-shadow: 0 16px 34px color-mix(in srgb, var(--toast-accent) 32%, rgba(2, 6, 23, .36)) !important;
}

.topic-toast-container .topic-toast.toast-theme-colored.toast-success {
    background: linear-gradient(160deg, #15803d, #166534) !important;
}

.topic-toast-container .topic-toast.toast-theme-colored.toast-error {
    background: linear-gradient(160deg, #b91c1c, #991b1b) !important;
}

.topic-toast-container .topic-toast.toast-theme-colored.toast-warning {
    background: linear-gradient(160deg, #b45309, #92400e) !important;
}

.topic-toast-container .topic-toast.toast-theme-colored.toast-info {
    background: linear-gradient(160deg, #1d4ed8, #1e40af) !important;
}

.topic-toast-container .topic-toast .toast-icon {
    width: 1.72rem;
    height: 1.72rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: .95rem;
    color: var(--toast-accent);
    background: var(--toast-icon-bg);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--toast-accent) 28%, transparent);
}

.topic-toast-container .topic-toast.toast-theme-glass .toast-icon,
.topic-toast-container .topic-toast.toast-theme-colored .toast-icon {
    color: rgba(255, 255, 255, .96);
    background: rgba(255, 255, 255, .15);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2);
}

.topic-toast-container .topic-toast .toast-content {
    display: flex;
    flex: 1;
    min-width: 0;
    flex-direction: column;
    gap: .2rem;
}

.topic-toast-container .topic-toast .toast-title {
    font-size: .88rem;
    font-weight: 700;
    line-height: 1.25;
}

.topic-toast-container .topic-toast .toast-message {
    display: block;
    font-size: .85rem;
    font-weight: 500;
    line-height: 1.42;
    color: inherit;
    opacity: .98;
    word-break: break-word;
}

.topic-toast-container .topic-toast .toast-detail {
    font-size: .78rem;
    line-height: 1.35;
    color: color-mix(in srgb, currentColor 78%, transparent);
}

.topic-toast-container .topic-toast .toast-action {
    align-self: flex-start;
    margin-top: .1rem;
    padding: .3rem .62rem;
    border-radius: .62rem;
    border: 1px solid color-mix(in srgb, var(--toast-accent) 36%, #d8dee8);
    background: color-mix(in srgb, var(--toast-accent) 10%, #ffffff);
    color: color-mix(in srgb, var(--toast-accent) 75%, #0f172a);
    font-size: .76rem;
    font-weight: 650;
    text-decoration: none;
    transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.topic-toast-container .topic-toast .toast-action:hover {
    background: color-mix(in srgb, var(--toast-accent) 16%, #ffffff);
    border-color: color-mix(in srgb, var(--toast-accent) 48%, #d8dee8);
    transform: translateY(-1px);
}

.topic-toast-container .topic-toast .toast-close-btn {
    position: absolute;
    top: .42rem;
    right: .42rem;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 10%, transparent);
    color: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    opacity: .55;
    cursor: pointer;
    transition: opacity .2s ease, transform .2s ease, background .2s ease;
}

.topic-toast-container .topic-toast .toast-close-btn:hover {
    opacity: .95;
    transform: scale(1.04);
    background: color-mix(in srgb, currentColor 18%, transparent);
}

.topic-toast-container .topic-toast .toast-progress-wrap {
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    border-radius: 0 0 14px 14px;
    background: color-mix(in srgb, currentColor 14%, transparent);
}

.topic-toast-container .topic-toast .toast-progress {
    border-radius: inherit;
    opacity: .92;
}

.topic-toast-container .topic-toast.toast-theme-glass .toast-progress-wrap,
.topic-toast-container .topic-toast.toast-theme-colored .toast-progress-wrap {
    background: rgba(255, 255, 255, .17);
}

.topic-toast-container .topic-toast.toast-anim-slide {
    animation: ui-toast-enter .36s cubic-bezier(.22, .84, .32, 1) forwards;
}

.toast-pos-top-left .topic-toast.toast-anim-slide,
.toast-pos-bottom-left .topic-toast.toast-anim-slide {
    animation-name: ui-toast-enter-left;
}

.toast-pos-top-center .topic-toast.toast-anim-slide {
    animation-name: ui-toast-enter-top;
}

.toast-pos-bottom-center .topic-toast.toast-anim-slide {
    animation-name: ui-toast-enter-bottom;
}

.topic-toast-container .topic-toast.toast-out {
    animation: ui-toast-leave .24s ease forwards !important;
}

.toast-pos-top-left .topic-toast.toast-out,
.toast-pos-bottom-left .topic-toast.toast-out {
    animation-name: ui-toast-leave-left !important;
}

@keyframes ui-toast-enter {
    from {
        opacity: 0;
        transform: translate3d(16px, -8px, 0) scale(.98);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes ui-toast-enter-left {
    from {
        opacity: 0;
        transform: translate3d(-16px, -8px, 0) scale(.98);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes ui-toast-enter-top {
    from {
        opacity: 0;
        transform: translate3d(0, -16px, 0) scale(.98);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes ui-toast-enter-bottom {
    from {
        opacity: 0;
        transform: translate3d(0, 16px, 0) scale(.98);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes ui-toast-leave {
    from {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
    to {
        opacity: 0;
        transform: translate3d(24px, 0, 0) scale(.97);
    }
}

@keyframes ui-toast-leave-left {
    from {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
    to {
        opacity: 0;
        transform: translate3d(-24px, 0, 0) scale(.97);
    }
}

@media (max-width: 600px) {
    .topic-toast-container {
        left: .4rem !important;
        right: .4rem !important;
        transform: none !important;
        max-width: calc(100vw - .8rem);
        padding: .5rem;
        gap: .56rem;
    }

    .topic-toast-container .topic-toast {
        width: 100%;
        padding: .78rem .88rem .78rem .82rem;
        border-radius: 12px !important;
    }

    .topic-toast-container .topic-toast .toast-message {
        font-size: .82rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .topic-toast-container .topic-toast,
    .topic-toast-container .topic-toast.toast-anim-slide,
    .topic-toast-container .topic-toast.toast-out {
        animation: none !important;
        transition: none !important;
    }
}

.ui-table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-border, #d8dee8);
    border-radius: var(--radius-card, 8px);
    background: var(--color-surface, #fff);
}

.ui-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--color-text, #111827);
    font-size: var(--font-size-sm, .875rem);
}

.ui-table th,
.ui-table td {
    padding: var(--space-3, .75rem) var(--space-4, 1rem);
    border-bottom: 1px solid var(--color-border, #d8dee8);
    text-align: left;
    vertical-align: middle;
}

.ui-table th {
    background: var(--color-surface-muted, #f8fafc);
    color: var(--color-text-muted, #64748b);
    font-size: var(--font-size-xs, .75rem);
    font-weight: var(--font-weight-bold, 700);
}

.ui-empty {
    display: grid;
    place-items: center;
    gap: var(--space-3, .75rem);
    min-height: 10rem;
    padding: var(--space-6, 1.5rem);
    border: 1px dashed var(--color-border, #d8dee8);
    border-radius: var(--radius-card, 8px);
    background: var(--state-empty-bg, #f8fafc);
    color: var(--state-empty-text, #64748b);
    text-align: center;
}

.ui-loader {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid color-mix(in srgb, currentColor 22%, transparent);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: ui-foundation-spin var(--duration-fast, .75s) linear infinite;
}

.ui-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, .5rem);
}

.ui-pagination__page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    min-height: 2.25rem;
    padding: 0 var(--space-3, .75rem);
    border: 1px solid var(--color-border, #d8dee8);
    border-radius: var(--radius-control, 8px);
    background: var(--color-surface, #fff);
    color: var(--color-text, #111827);
    font-size: var(--font-size-sm, .875rem);
    font-weight: var(--font-weight-semibold, 700);
    text-decoration: none;
}

.ui-pagination__page[aria-current="page"],
.ui-pagination__page.is-active {
    border-color: var(--color-primary, #8b1538);
    background: var(--color-primary, #8b1538);
    color: var(--color-on-primary, #fff);
}

.ui-modal-backdrop,
.ui-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-backdrop, 1050);
    background: var(--modal-backdrop, rgba(15, 23, 42, .58));
}

.ui-modal {
    position: fixed;
    inset: 50% auto auto 50%;
    z-index: var(--z-modal, 1060);
    width: min(100% - 2rem, var(--ui-modal-width, 36rem));
    max-height: calc(100dvh - 2rem);
    overflow: auto;
    transform: translate(-50%, -50%);
    border: 1px solid var(--modal-border, var(--color-border, #d8dee8));
    border-radius: var(--modal-radius, 10px);
    background: var(--modal-bg, var(--color-surface, #fff));
    color: var(--color-text, #111827);
    box-shadow: var(--modal-shadow, 0 24px 70px rgba(15, 23, 42, .2));
}

.ui-tooltip,
.ui-popover {
    z-index: var(--z-tooltip, 1080);
    border-radius: var(--tooltip-radius, 6px);
    background: var(--tooltip-bg, #111827);
    color: var(--tooltip-text, #fff);
    font-size: var(--font-size-xs, .75rem);
    line-height: var(--line-height-snug, 1.35);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
    }

    .ui-loader,
    .topic-dl-spinner,
    .btn-submit-mod.is-submitting i,
    .is-ui-loading i {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
    }
}

.topic-toast {
    align-items: flex-start;
}

.topic-toast .toast-content {
    display: grid;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.topic-toast .toast-title {
    font-weight: 800;
    line-height: 1.25;
}

.topic-toast .toast-message {
    min-width: 0;
}

.topic-toast .toast-detail {
    color: color-mix(in srgb, currentColor 74%, transparent);
    font-size: .82rem;
    line-height: 1.35;
}

.topic-toast .toast-action {
    justify-self: start;
    margin-top: 6px;
    min-height: 30px;
    padding: 5px 10px;
    border: 1px solid color-mix(in srgb, currentColor 28%, transparent);
    border-radius: 8px;
    background: color-mix(in srgb, currentColor 8%, transparent);
    color: inherit;
    font: inherit;
    font-size: .78rem;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.topic-toast .toast-action:hover,
.topic-toast .toast-action:focus-visible {
    background: color-mix(in srgb, currentColor 14%, transparent);
}

.topic-toast.toast-error:not(.toast-theme-colored) {
    background: color-mix(in srgb, var(--ui-foundation-danger) 8%, var(--bg, #1a2332));
}

.topic-toast.toast-success:not(.toast-theme-colored) {
    background: color-mix(in srgb, var(--ui-foundation-success) 7%, var(--bg, #1a2332));
}

.ui-form-field,
.public-upload-shell .row > [class*="col-"],
.public-upload-shell .mb-4 {
    min-width: 0;
}

.ui-form-help,
.ui-form-error,
.upload-live-hint,
.upload-field-rules,
.upload-image-rules,
.form-text {
    line-height: 1.45;
}

.ui-form-help,
.upload-field-rules,
.upload-image-rules,
.form-text {
    color: var(--text-dim, #64748b);
}

.ui-form-error,
.is-invalid + .ui-form-error,
.public-upload-shell .is-invalid ~ .upload-live-hint {
    color: var(--ui-foundation-danger);
    font-weight: 800;
}

:where(.form-control, .form-select, .ui-admin-form-control, textarea, input, select).is-invalid,
:where(.form-control, .form-select, .ui-admin-form-control, textarea, input, select)[aria-invalid="true"] {
    border-color: var(--ui-foundation-danger) !important;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ui-foundation-danger) 18%, transparent) !important;
}

.empty-state-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
}

.empty-state-action {
    min-width: 0;
    max-width: 100%;
    white-space: normal;
}

.topic-dl-card,
.download-card {
    min-height: 96px;
}

.topic-dl-button,
.download-btn {
    min-width: 150px;
    min-height: 38px;
}

.topic-dl-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid color-mix(in srgb, currentColor 22%, transparent);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: ui-foundation-spin .75s linear infinite;
}

.topic-dl-card.is-counting .topic-dl-spinner {
    display: inline-block;
}

.topic-dl-card.is-counting {
    cursor: progress;
}

.topic-dl-card.is-ready {
    border-color: color-mix(in srgb, var(--ui-foundation-success) 38%, var(--border, #d8dee8));
}

.topic-dl-card.is-locked {
    border-style: dashed;
    border-color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 46%, var(--border, #d8dee8));
    cursor: pointer;
}

.topic-dl-card.is-locked .topic-dl-spinner {
    display: none !important;
}

.topic-dl-lock-message {
    display: block;
    margin-top: 4px;
    color: var(--text-dim, #64748b);
    font-size: .82rem;
    line-height: 1.35;
}

.topic-dl-access-notice {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    align-items: start;
    gap: 12px;
    margin: 9px 0 13px;
    padding: 8px 10px 10px;
    border: 1px solid color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 30%, var(--color-border, #d8dee8));
    border-radius: 14px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 10%, var(--color-surface, #fff)), color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 6%, var(--color-surface, #fff)));
    color: var(--color-text, #111827);
    box-shadow: 0 10px 24px color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 8%, transparent);
}

.topic-dl-access-notice > i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 24%, var(--color-border, #d8dee8));
    border-radius: 11px;
    background: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 12%, var(--color-surface, #fff));
    color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 76%, #111827);
    font-size: .92rem;
    line-height: 1;
}

.topic-dl-access-notice__body {
    display: grid;
    gap: .32rem;
    min-width: 0;
    padding-top: 0;
}

.topic-dl-access-notice__text {
    display: block;
    min-width: 0;
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .88rem;
    font-weight: 550;
    line-height: 1.5;
}

.topic-dl-access-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .45rem;
    margin-top: .1rem;
    padding-top: .45rem;
    padding-bottom: 1px;
    border-top: 1px solid color-mix(in srgb, var(--color-border, #d8dee8) 72%, transparent);
}

.topic-dl-access-steps:has(.topic-dl-access-step:nth-child(2):last-child) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.topic-dl-access-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .38rem;
    min-width: 0;
    min-height: 34px;
    padding: .32rem .5rem .36rem;
    border: 1px solid color-mix(in srgb, var(--color-border, #d8dee8) 82%, var(--color-primary, #8b1538) 18%);
    border-radius: 10px;
    background: color-mix(in srgb, var(--color-surface, #fff) 95%, var(--color-primary, #8b1538) 5%);
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .76rem;
    font-weight: 800;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
}

.topic-dl-access-step i {
    flex: 0 0 auto;
    font-size: .95rem;
    line-height: 1;
}

.topic-dl-access-step span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topic-dl-access-step.is-active {
    border-color: color-mix(in srgb, var(--color-primary, #8b1538) 28%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--color-primary, #8b1538) 12%, var(--color-surface, #fff));
    color: var(--color-primary, #8b1538);
    box-shadow: 0 10px 18px color-mix(in srgb, var(--color-primary, #8b1538) 12%, transparent);
}

.topic-dl-access-step.is-complete {
    border-color: color-mix(in srgb, var(--ui-foundation-success, #16a34a) 28%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--ui-foundation-success, #16a34a) 11%, var(--color-surface, #fff));
    color: color-mix(in srgb, var(--ui-foundation-success, #16a34a) 88%, #111827);
}

.topic-dl-access-step.is-pending {
    opacity: .86;
}

.topic-download-auth-backdrop[hidden],
.topic-download-auth-modal[hidden] {
    display: none;
}

.topic-download-auth-modal {
    --ui-modal-width: 42rem;
    border-color: color-mix(in srgb, var(--modal-border, var(--color-border, #d8dee8)) 88%, var(--color-primary, #8b1538) 12%);
    border-radius: 18px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--modal-bg, var(--color-surface, #fff)) 94%, var(--color-primary-soft, #f9eef2) 6%), var(--modal-bg, var(--color-surface, #fff)));
    box-shadow: 0 28px 80px rgba(15, 23, 42, .28);
}

.topic-download-auth-backdrop {
    background: color-mix(in srgb, var(--modal-backdrop, rgba(15, 23, 42, .58)) 88%, #0000);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

body.topic-download-auth-open {
    overflow: hidden;
}

.topic-download-auth-shell {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.topic-download-auth-header {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
    align-items: start;
}

.topic-download-auth-icon {
    display: inline-grid;
    place-items: center;
    inline-size: 2.8rem;
    block-size: 2.8rem;
    border: 1px solid color-mix(in srgb, var(--color-primary, #8b1538) 18%, var(--color-border, #d8dee8));
    border-radius: 14px;
    background: color-mix(in srgb, var(--color-primary, #8b1538) 10%, var(--color-surface, #fff));
    color: var(--color-primary, #8b1538);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .82);
}

.topic-download-auth-icon i {
    font-size: 1.05rem;
    line-height: 1;
}

.topic-download-auth-copy {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.topic-download-auth-eyebrow {
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .72rem;
    font-weight: 800;
    line-height: 1.25;
    text-transform: uppercase;
}

.topic-download-auth-copy h3 {
    margin: 0;
    color: var(--color-text, var(--text, #111827));
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.28;
}

.topic-download-auth-copy p {
    margin: 0;
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .9rem;
    line-height: 1.45;
}

.topic-download-auth-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.topic-download-auth-head h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 800;
}

.topic-download-auth-close {
    display: inline-grid;
    place-items: center;
    inline-size: 2.3rem;
    block-size: 2.3rem;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--color-border, #d8dee8) 84%, var(--color-primary, #8b1538) 16%);
    border-radius: 999px;
    background: color-mix(in srgb, var(--color-surface-muted, #f8fafc) 74%, var(--color-surface, #fff) 26%);
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .95rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .7);
    transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.topic-download-auth-close:hover,
.topic-download-auth-close:focus-visible {
    border-color: color-mix(in srgb, var(--color-primary, #8b1538) 28%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--color-primary, #8b1538) 9%, var(--color-surface, #fff));
    color: var(--color-primary, #8b1538);
    transform: translateY(-1px);
    box-shadow: 0 10px 18px color-mix(in srgb, var(--color-primary, #8b1538) 12%, transparent), inset 0 1px 0 rgba(255, 255, 255, .82);
}

.topic-download-auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 4px;
    border: 1px solid color-mix(in srgb, var(--color-border, #d8dee8) 90%, var(--color-primary, #8b1538) 10%);
    border-radius: 16px;
    background: color-mix(in srgb, var(--color-surface-muted, #f8fafc) 90%, var(--color-primary, #8b1538) 10%);
}

.topic-download-auth-tabs button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 2.75rem;
    padding: .3rem .85rem;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-weight: 800;
    cursor: pointer;
    transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.topic-download-auth-tabs button i {
    font-size: .95rem;
    line-height: 1;
}

.topic-download-auth-tabs button.is-active {
    background: var(--color-surface, #fff);
    color: var(--color-primary, #8b1538);
    box-shadow: 0 10px 20px color-mix(in srgb, var(--color-primary, #8b1538) 12%, transparent), inset 0 1px 0 rgba(255, 255, 255, .9);
}

.topic-download-auth-feedback {
    padding: .85rem 1rem;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--color-border, #d8dee8) 78%, var(--color-primary, #8b1538) 22%);
    background: color-mix(in srgb, var(--color-surface-muted, #f8fafc) 88%, var(--color-primary, #8b1538) 12%);
    color: var(--color-text, var(--text, #111827));
    font-size: .88rem;
    line-height: 1.45;
}

.topic-download-auth-feedback.is-error {
    border-color: color-mix(in srgb, var(--ui-foundation-danger, #dc2626) 22%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--ui-foundation-danger, #dc2626) 10%, var(--color-surface, #fff));
    color: color-mix(in srgb, var(--ui-foundation-danger, #dc2626) 90%, #111827);
}

.topic-download-auth-feedback.is-warning {
    border-color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 22%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 10%, var(--color-surface, #fff));
    color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 90%, #111827);
}

.topic-download-auth-feedback.is-success {
    border-color: color-mix(in srgb, var(--ui-foundation-success, #16a34a) 22%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--ui-foundation-success, #16a34a) 10%, var(--color-surface, #fff));
    color: color-mix(in srgb, var(--ui-foundation-success, #16a34a) 90%, #111827);
}

.topic-download-auth-note {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    padding: .9rem 1rem;
    border: 1px solid color-mix(in srgb, var(--color-primary, #8b1538) 16%, var(--color-border, #d8dee8));
    border-radius: 12px;
    background: color-mix(in srgb, var(--color-primary, #8b1538) 7%, var(--color-surface, #fff));
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .88rem;
    line-height: 1.45;
}

.topic-download-auth-pane {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.topic-download-auth-pane .auth-field {
    gap: .4rem;
}

.topic-download-auth-pane .ui-label {
    font-size: .82rem;
    font-weight: 800;
}

.topic-download-auth-pane .ui-theme-auth-input {
    min-width: 0;
    border-radius: 12px;
}

.topic-download-auth-pane .ui-theme-auth-input > input.ui-input {
    min-width: 0;
}

.topic-download-auth-fields--split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.topic-download-auth-checkbox {
    display: flex !important;
    align-items: flex-start;
    gap: .5rem;
    margin-top: -2px;
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .88rem;
    line-height: 1.35;
}

.topic-download-auth-checkbox input {
    margin-top: .12rem;
    min-height: 0;
}

.topic-download-auth-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    width: 100%;
    min-height: 2.8rem;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(180deg, var(--color-primary, #8b1538), color-mix(in srgb, var(--color-primary, #8b1538) 86%, #000));
    color: var(--color-on-primary, #fff);
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 16px 28px color-mix(in srgb, var(--color-primary, #8b1538) 24%, transparent);
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease, filter 160ms ease;
}

.topic-download-auth-submit:hover,
.topic-download-auth-submit:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px color-mix(in srgb, var(--color-primary, #8b1538) 28%, transparent);
    filter: saturate(1.02);
}

.public-preview-grid {
    min-height: 0;
}

.public-preview-grid:not(:empty) {
    min-height: 116px;
}

.btn-submit-mod,
.btn-cancel-mod,
.upload-wizard-step {
    min-height: 42px;
}

.btn-submit-mod.is-submitting,
.is-ui-loading {
    cursor: progress !important;
}

.btn-submit-mod.is-submitting i,
.is-ui-loading i {
    animation: ui-foundation-spin .75s linear infinite;
}

.topic-comments .ui-comment-empty-state {
    min-height: 150px;
}

.topic-comments .ui-comment-action-btn,
.topic-comments .comment-reaction-btn,
.topic-comments .ui-comment-btn-submit,
.topic-comments .ui-comment-btn-cancel {
    min-height: 34px;
}

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

@media (max-width: 640px) {
    .topic-toast {
        min-width: min(100%, 280px);
        max-width: calc(100vw - 24px);
    }

    .topic-dl-button,
    .download-btn {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .topic-download-auth-modal {
        --ui-modal-width: calc(100vw - .75rem);
        max-height: calc(100dvh - .75rem);
        border-radius: 16px;
    }

    .topic-download-auth-shell {
        gap: 12px;
        padding: 14px;
    }

    .topic-download-auth-header {
        gap: 10px;
    }

    .topic-download-auth-icon {
        inline-size: 2.55rem;
        block-size: 2.55rem;
        border-radius: 13px;
    }

    .topic-download-auth-copy h3 {
        font-size: .98rem;
    }

    .topic-download-auth-copy p {
        display: none;
    }

    .topic-download-auth-copy p,
    .topic-download-auth-note,
    .topic-download-auth-feedback,
    .topic-download-auth-checkbox {
        font-size: .84rem;
    }

    .topic-dl-access-notice {
        grid-template-columns: 34px minmax(0, 1fr);
        gap: 10px;
        padding: 8px 9px 10px;
        border-radius: 12px;
    }

    .topic-dl-access-notice > i {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        font-size: .92rem;
    }

    .topic-dl-access-notice__body {
        gap: .3rem;
    }

    .topic-dl-access-notice__text {
        font-size: .84rem;
        line-height: 1.45;
    }

    .topic-dl-access-steps {
        gap: .3rem;
        margin-top: .08rem;
        padding-top: .4rem;
        padding-bottom: 0;
    }

    .topic-dl-access-step {
        min-height: 32px;
        gap: .3rem;
        padding: .28rem .34rem .32rem;
        border-radius: 9px;
        font-size: .71rem;
    }

    .topic-download-auth-tabs button {
        min-height: 2.55rem;
        padding-inline: .65rem;
        font-size: .84rem;
    }

    .topic-download-auth-fields--split {
        grid-template-columns: minmax(0, 1fr);
    }

    .topic-download-auth-submit {
        min-height: 2.7rem;
    }
}

.topic-dl-access-notice.is-success {
    border-color: color-mix(in srgb, var(--ui-foundation-success, #10b981) 30%, var(--color-border, #d8dee8));
    background: linear-gradient(180deg, color-mix(in srgb, var(--ui-foundation-success, #10b981) 10%, var(--color-surface, #fff)), color-mix(in srgb, var(--ui-foundation-success, #10b981) 6%, var(--color-surface, #fff)));
    box-shadow: 0 12px 28px color-mix(in srgb, var(--ui-foundation-success, #10b981) 10%, transparent);
}

.topic-dl-access-notice.is-success > i,
.topic-dl-access-notice.is-success .topic-dl-access-notice__title,
.topic-dl-access-notice.is-success .topic-dl-access-notice__text {
    color: color-mix(in srgb, var(--ui-foundation-success, #10b981) 76%, var(--color-text, #111827));
}

.topic-dl-access-notice.is-success > i {
    border-color: color-mix(in srgb, var(--ui-foundation-success, #10b981) 25%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--ui-foundation-success, #10b981) 12%, var(--color-surface, #fff));
}

.topic-dl-access-notice.is-success .topic-dl-access-step.is-complete {
    opacity: 1;
    box-shadow: 0 8px 16px color-mix(in srgb, var(--ui-foundation-success, #10b981) 9%, transparent);
}

.topic-dl-access-notice__title {
    display: block;
    color: var(--color-text, #111827);
    font-size: .92rem;
    font-weight: 850;
    line-height: 1.3;
}

.topic-dl-access-progress {
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
    width: fit-content;
    margin-top: .14rem;
    padding: .25rem .5rem !important;
    border: 1px solid color-mix(in srgb, var(--color-border, #d8dee8) 78%, var(--color-primary, #8b1538) 22%);
    border-radius: 999px;
    background: color-mix(in srgb, var(--color-surface, #fff) 88%, var(--color-primary, #8b1538) 12%);
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .71rem;
    font-weight: 800;
    line-height: 1.2;
}

.topic-dl-access-until {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    color: var(--color-text-muted, var(--text-dim, #64748b));
    font-size: .76rem;
    font-weight: 750;
    line-height: 1.35;
}

.topic-dl-access-until[hidden] {
    display: none !important;
}

.topic-dl-access-step[hidden] {
    display: none !important;
}

.topic-dl-access-step.is-waiting {
    border-color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 34%, var(--color-border, #d8dee8));
    background: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 12%, var(--color-surface, #fff));
    color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 82%, #111827);
}

.topic-dl-access-notice.is-approval-pending {
    border-color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 38%, var(--color-border, #d8dee8));
}

.topic-dl-access-notice.is-access-expired {
    border-color: color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 44%, var(--color-border, #d8dee8));
    background: linear-gradient(180deg, color-mix(in srgb, var(--ui-foundation-warning, #f59e0b) 10%, var(--color-surface, #fff)), var(--color-surface, #fff));
}

.topic-dl-access-notice.is-success.is-compact {
    grid-template-columns: auto minmax(0, 1fr);
    padding-block: 9px;
    cursor: pointer;
}

.topic-dl-access-notice.is-success.is-compact .topic-dl-access-notice__text,
.topic-dl-access-notice.is-success.is-compact .topic-dl-access-until,
.topic-dl-access-notice.is-success.is-compact .topic-dl-access-progress,
.topic-dl-access-notice.is-success.is-compact .topic-dl-access-steps {
    display: none !important;
}

.topic-dl-access-notice.is-success.is-compact .topic-dl-access-notice__body {
    align-content: center;
    gap: 0;
}

.topic-dl-access-notice.is-success-entering {
    animation: topic-download-success-enter .72s cubic-bezier(.2, .8, .2, 1) both;
}

.topic-dl-card.is-access-highlighted {
    animation: topic-download-card-highlight 1.7s ease both;
}

.topic-comments.is-download-comment-highlighted {
    animation: topic-download-comment-highlight 1.7s ease both;
}

@keyframes topic-download-success-enter {
    0% { opacity: .4; transform: translateY(8px) scale(.985); }
    55% { transform: translateY(-2px) scale(1.005); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes topic-download-card-highlight {
    0%, 100% { box-shadow: inherit; }
    30%, 70% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--ui-foundation-success, #10b981) 24%, transparent), 0 18px 34px color-mix(in srgb, var(--ui-foundation-success, #10b981) 18%, transparent); }
}

@keyframes topic-download-comment-highlight {
    0%, 100% { box-shadow: inherit; }
    30%, 70% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary, #8b1538) 20%, transparent); }
}

@media (prefers-reduced-motion: reduce) {
    .topic-dl-access-notice.is-success-entering,
    .topic-dl-card.is-access-highlighted,
    .topic-comments.is-download-comment-highlighted {
        animation: none !important;
    }
}