@font-face {
    font-family: "KitchenSink Last Resort";
    src: url("../fonts/LastResort-Regular.ttf") format("truetype");
    font-display: swap;
}

.ascii-unicode-page {
    max-width: 1160px;
    margin: 0 auto;
    padding: 2rem 0 4rem;
}

.ascii-unicode-hero {
    max-width: 850px;
    margin-bottom: 1.8rem;
}

.ascii-unicode-hero .utility-page-heading {
    margin-bottom: 0.85rem;
}

.ascii-unicode-hero .utility-intro {
    max-width: 780px;
    margin: 0;
    color: var(--muted);
}

.ascii-unicode-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
    margin-bottom: 1rem;
}

.ascii-unicode-tab {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: 0.85rem;
    background: var(--surface);
    color: var(--ink);
    text-align: left;
}

.ascii-unicode-tab:hover,
.ascii-unicode-tab:focus-visible,
.ascii-unicode-tab.is-active {
    border-color: var(--category-accent);
    color: var(--ink);
}

.ascii-unicode-tab.is-active {
    background: color-mix(in srgb, var(--category-accent) 9%, var(--surface));
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--category-accent) 14%, transparent);
}

.ascii-unicode-tab:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--category-accent) 25%, transparent);
    outline-offset: 2px;
}

.ascii-unicode-tab .tab-icon {
    display: inline-grid;
    width: 2.35rem;
    min-width: 2.35rem;
    height: 2.35rem;
    place-items: center;
    border-radius: 0.65rem;
    background: color-mix(in srgb, var(--category-accent) 12%, var(--surface));
    color: var(--category-accent-dark);
}

.ascii-unicode-tab strong,
.ascii-unicode-tab small {
    display: block;
}

.ascii-unicode-tab strong {
    font-size: 0.96rem;
}

.ascii-unicode-tab small {
    margin-top: 0.1rem;
    color: var(--muted);
    font-size: 0.78rem;
}

.ascii-unicode-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.82fr);
    align-items: start;
    gap: 1rem;
}

.ascii-unicode-main,
.character-sidebar {
    min-width: 0;
}

.character-sidebar {
    display: grid;
    gap: 1rem;
    position: sticky;
    top: 1rem;
}

.character-panel,
.character-card {
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.character-panel {
    min-width: 0;
    padding: 1.35rem;
}

.character-panel[hidden],
.unicode-results-region[hidden],
.unicode-grid-region[hidden],
.inspector-content[hidden],
.empty-state[hidden] {
    display: none;
}

.panel-heading,
.sidebar-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.panel-heading {
    margin-bottom: 1.15rem;
}

.panel-heading h2,
.sidebar-heading h2,
.character-explanation h2 {
    margin: 0.1rem 0 0;
    font-size: 1.2rem;
}

.panel-heading p:not(.eyebrow) {
    max-width: 650px;
    margin: 0.35rem 0 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.index-badge {
    flex: 0 0 auto;
    padding: 0.35rem 0.55rem;
    border: 1px solid color-mix(in srgb, var(--category-accent) 28%, var(--line));
    border-radius: 999px;
    background: color-mix(in srgb, var(--category-accent) 7%, var(--surface));
    color: var(--category-accent-dark);
    font-size: 0.72rem;
    font-weight: 800;
    white-space: nowrap;
}

.ascii-toolbar,
.unicode-filters {
    display: grid;
    align-items: end;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.ascii-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
}

.unicode-filters {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
}

.character-search-field,
.select-field,
.copy-format-field,
.font-control {
    display: grid;
    gap: 0.35rem;
}

.character-search-field label,
.select-field label,
.copy-format-field label,
.font-control label,
.character-filter-group legend {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.character-search-field input,
.unicode-lookup input,
.select-field select,
.copy-format-field select,
.font-control select,
.copy-tray textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--input-border);
    border-radius: 0.65rem;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
}

.character-search-field input,
.unicode-lookup input,
.select-field select,
.copy-format-field select,
.font-control select {
    min-height: 2.75rem;
    padding: 0.55rem 0.7rem;
}

.character-search-field input:focus,
.unicode-lookup input:focus,
.select-field select:focus,
.copy-format-field select:focus,
.font-control select:focus,
.copy-tray textarea:focus {
    border-color: var(--category-accent);
    outline: 3px solid color-mix(in srgb, var(--category-accent) 20%, transparent);
    outline-offset: 1px;
}

.character-filter-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.character-filter-group legend {
    width: 100%;
    margin-bottom: 0.1rem;
}

.character-filter-group label,
.checkbox-field {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--ink);
    font-size: 0.78rem;
    white-space: nowrap;
}

.character-filter-group input,
.checkbox-field input {
    accent-color: var(--category-accent);
}

.character-grid-scroll {
    overflow-x: hidden;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    background: var(--surface-alt);
}

.character-grid-scroll:focus-visible,
.unicode-grid-viewport:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--category-accent) 25%, transparent);
    outline-offset: 2px;
}

.ascii-grid {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: 3.3rem repeat(16, minmax(0, 1fr));
    padding: 0.55rem;
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
}

.ascii-grid-row {
    display: contents;
}

.ascii-grid-corner,
.ascii-grid-header,
.ascii-grid-row-header {
    display: grid;
    min-height: 2rem;
    place-items: center;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
}

.ascii-grid-corner {
    border-bottom: 1px solid var(--line);
    color: var(--category-accent-dark);
}

.ascii-grid-header {
    border-bottom: 1px solid var(--line);
}

.ascii-grid-row-header {
    border-right: 1px solid var(--line);
}

.ascii-cell,
.unicode-cell {
    position: relative;
    display: grid;
    min-width: 0;
    overflow: hidden;
    place-items: center;
    padding: 0.25rem;
    border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
    border-radius: 0.35rem;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    cursor: pointer;
}

.ascii-cell {
    min-height: 3.25rem;
    margin: 0.2rem;
}

.ascii-cell:hover,
.ascii-cell:focus-visible,
.unicode-cell:hover,
.unicode-cell:focus-visible {
    z-index: 1;
    border-color: var(--category-accent);
    background: color-mix(in srgb, var(--category-accent) 9%, var(--surface));
    color: var(--ink);
}

.ascii-cell:focus-visible,
.unicode-cell:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--category-accent) 25%, transparent);
    outline-offset: 1px;
}

.ascii-cell.is-selected,
.unicode-cell.is-selected {
    border-color: var(--category-accent);
    background: color-mix(in srgb, var(--category-accent) 14%, var(--surface));
    box-shadow: inset 0 0 0 1px var(--category-accent);
}

.ascii-cell.is-muted {
    opacity: 0.32;
}

.ascii-cell-glyph,
.unicode-cell-glyph,
.character-glyph {
    font-family: system-ui, "Segoe UI Symbol", "Noto Sans Symbols 2", "Noto Sans", sans-serif;
    font-variant-emoji: text;
    unicode-bidi: isolate;
}

.ascii-cell-glyph {
    min-height: 1.55rem;
    font-size: 1.15rem;
    line-height: 1.4;
}

.ascii-cell-glyph.is-label,
.unicode-cell-glyph.is-label {
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: -0.04em;
    line-height: 1.1;
    white-space: nowrap;
}

.ascii-cell-code {
    color: var(--muted);
    font-size: 0.62rem;
    line-height: 1;
}

.unicode-lookup {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.unicode-lookup > label {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.unicode-lookup-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.55rem;
}

.field-help,
.copy-format-field p,
.font-control p {
    margin: 0;
    color: var(--muted);
    font-size: 0.75rem;
}

.unicode-filters .checkbox-field {
    min-height: 2.75rem;
    align-items: center;
}

.character-status {
    min-height: 1.35rem;
    margin: 0.7rem 0 0;
    color: var(--muted);
    font-size: 0.78rem;
}

.unicode-results-region {
    margin-top: 0.5rem;
}

.results-count {
    margin: 0 0 0.45rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.unicode-results {
    display: grid;
    max-height: 18rem;
    gap: 0.45rem;
    margin: 0;
    padding: 0;
    overflow: auto;
    list-style: none;
}

.unicode-result-button {
    display: grid;
    grid-template-columns: 2.4rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: 0.55rem;
    background: var(--surface-alt);
    color: var(--ink);
    text-align: left;
}

.unicode-result-button:hover,
.unicode-result-button:focus-visible {
    border-color: var(--category-accent);
    background: color-mix(in srgb, var(--category-accent) 9%, var(--surface-alt));
    color: var(--ink);
    outline: 3px solid color-mix(in srgb, var(--category-accent) 17%, transparent);
    outline-offset: 1px;
}

.unicode-result-glyph {
    display: grid;
    min-height: 2rem;
    place-items: center;
    border-radius: 0.4rem;
    background: var(--surface);
    font-size: 1.25rem;
}

.unicode-result-name,
.unicode-result-code {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.unicode-result-name {
    font-size: 0.82rem;
    font-weight: 750;
}

.unicode-result-code {
    margin-top: 0.12rem;
    color: var(--muted);
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 0.68rem;
}

.unicode-result-character {
    color: var(--category-accent-dark);
    font-size: 0.72rem;
    font-weight: 700;
}

.unicode-empty-state,
.empty-state {
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.unicode-grid-region {
    margin-top: 1rem;
}

.unicode-grid-viewport {
    height: 32rem;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface-alt);
}

.unicode-grid {
    position: relative;
    width: 100%;
    min-width: 0;
    padding: 0.55rem;
}

.unicode-grid-row {
    position: absolute;
    right: 0.55rem;
    left: 0.55rem;
    display: grid;
    grid-template-columns: repeat(16, minmax(0, 1fr));
    gap: 0.25rem;
}

.unicode-cell {
    min-height: 3.55rem;
    padding: 0.2rem;
}

.unicode-cell[disabled] {
    cursor: default;
}

.unicode-cell.is-reserved {
    border-style: dashed;
    background: color-mix(in srgb, var(--surface-alt) 80%, var(--line));
    color: var(--muted);
}

.unicode-cell-glyph {
    display: grid;
    min-height: 1.65rem;
    place-items: center;
    font-size: 1.15rem;
    line-height: 1.35;
}

.unicode-cell-code {
    color: var(--muted);
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 0.58rem;
    line-height: 1;
}

.character-sidebar .character-card {
    padding: 1.1rem;
}

.font-dot {
    width: 0.65rem;
    min-width: 0.65rem;
    height: 0.65rem;
    margin-top: 0.35rem;
    border-radius: 50%;
    background: var(--category-accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--category-accent) 12%, transparent);
}

.character-preview {
    display: grid;
    min-height: 9rem;
    margin: 1rem 0;
    padding: 1rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    background: var(--surface-alt);
    text-align: center;
}

.character-glyph {
    display: grid;
    min-width: 5.5rem;
    min-height: 5.5rem;
    place-items: center;
    color: var(--category-accent-dark);
    font-size: 4.2rem;
    line-height: 1;
}

.character-diagnostic-glyph {
    display: block;
    width: 5.5rem;
    height: 5.5rem;
}

.character-glyph-label {
    max-width: 100%;
    margin-top: 0.55rem;
    overflow-wrap: anywhere;
    color: var(--muted);
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 0.72rem;
}

.inspector-empty,
.font-preview-status {
    color: var(--muted);
    font-size: 0.8rem;
}

.inspector-empty {
    margin: 0;
}

.font-preview-status {
    margin: 0 0 0.8rem;
}

.character-facts {
    display: grid;
    gap: 0.45rem;
    margin: 0;
}

.character-facts > div {
    display: grid;
    grid-template-columns: minmax(6rem, 0.65fr) minmax(0, 1.35fr);
    gap: 0.6rem;
    padding-bottom: 0.42rem;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.character-facts dt {
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 750;
}

.character-facts dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--ink);
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 0.72rem;
}

.inspector-actions,
.tray-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.9rem;
}

.inspector-actions button:disabled,
.tray-actions button:disabled,
.tray-copy-button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
}

.copy-format-field {
    margin-top: 0.9rem;
}

.font-control {
    margin-top: 1rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--line);
}

.copy-tray textarea {
    min-height: 5.25rem;
    margin-top: 1rem;
    padding: 0.7rem;
    resize: vertical;
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
    unicode-bidi: isolate;
}

.tray-summary {
    min-height: 1.2rem;
    margin: 0.4rem 0 0;
    color: var(--muted);
    font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 0.68rem;
}

.tray-copy-button {
    width: 100%;
    margin-top: 0.85rem;
}

.character-explanation {
    max-width: 780px;
    margin-top: 2.2rem;
}

.character-explanation p {
    color: var(--muted);
}

.character-explanation .muted {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.82rem;
}

.character-explanation .muted i {
    margin-top: 0.3rem;
    color: var(--category-accent-dark);
}

.noscript-message {
    margin-top: 1rem;
    padding: 0.8rem;
    border: 1px solid var(--status-degraded-text);
    border-radius: 0.65rem;
    background: var(--status-degraded-surface);
    color: var(--status-degraded-text);
}

/* The 16-column ASCII grid needs room for its code labels and controls. Keep
   the inspector beside it only when the chart can remain fully visible. */
@media (max-width: 1120px) {
    .ascii-unicode-layout {
        grid-template-columns: 1fr;
    }

    .character-sidebar {
        position: static;
    }
}

@media (max-width: 1200px) {
    .ascii-cell-glyph.is-label,
    .unicode-cell-glyph.is-label {
        font-size: 0.68rem;
    }
}

/* Give narrow screens room for readable character cards. The script mirrors
   this breakpoint so virtual rows and keyboard movement use the same width. */
@media (max-width: 771px) {
    .ascii-grid {
        grid-template-columns: 3.3rem repeat(8, minmax(0, 1fr));
    }

    .unicode-grid-row {
        grid-template-columns: repeat(8, minmax(0, 1fr));
    }
}

@media (max-width: 920px) {

    .character-sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .ascii-unicode-page {
        padding-top: 1.25rem;
    }

    .ascii-unicode-tabs,
    .character-sidebar {
        grid-template-columns: 1fr;
    }

    .ascii-unicode-tab {
        padding: 0.75rem;
    }

    .character-panel {
        padding: 1rem;
    }

    .ascii-toolbar,
    .unicode-filters {
        grid-template-columns: 1fr;
    }

    .unicode-filters .checkbox-field {
        min-height: auto;
    }

    .unicode-lookup-row {
        grid-template-columns: 1fr;
    }

    .panel-heading {
        flex-direction: column;
        gap: 0.55rem;
    }

    .index-badge {
        align-self: flex-start;
    }

    .character-facts > div {
        grid-template-columns: minmax(5.8rem, 0.8fr) minmax(0, 1.2fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .ascii-unicode-page *,
    .ascii-unicode-page *::before,
    .ascii-unicode-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}