/*
 * m0 Design System — Components: Primitives (CANONICAL)
 * KeyValueRow (.detail-row/label/value) + detail-header/actions/tabs.
 * Token-driven, no literal px/hex/rgba.
 */

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    line-height: 1.5;
}
.detail-label {
    color: var(--text-muted);
    flex-shrink: 0;
}
.detail-value {
    color: var(--text-primary);
    text-align: right;
    min-width: 0;
}

.detail-header {
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--text-accent) 3%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--text-accent) 10%, transparent);
}

.detail-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.detail-tabs {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: color-mix(in srgb, var(--card-bg) 60%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--text-accent) 10%, transparent);
}

/* Collapsible — the shared Collapsible primitive. */
.collapsible {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.collapsible-summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    appearance: none;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--anviz-accent-secondary) 25%, transparent);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition:
        border-color var(--duration-fast),
        background var(--duration-fast);
}
.collapsible-summary:hover {
    border-color: color-mix(in srgb, var(--anviz-accent-primary) 50%, transparent);
    background: color-mix(in srgb, var(--anviz-accent-primary) 6%, transparent);
}
.collapsible-summary:focus-visible {
    outline: var(--interactive-focus-outline);
    outline-offset: var(--interactive-focus-offset);
}
.collapsible-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: transform var(--duration-fast);
}
.collapsible.open .collapsible-chevron {
    transform: rotate(90deg);
    color: var(--anviz-accent-primary);
}
.collapsible-title {
    flex: 1;
    font-family: 'IBM Plex Sans', system-ui, sans-serif;
    font-size: 0.8rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.collapsible-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}
.collapsible-body {
    padding: var(--spacing-sm) var(--spacing-md) 0;
}

/* Instant hide — do not interpolate max-height. The monolith
   still ships a 9999px tween; unset it here (this file loads
   last). A huge max-height stays fully open for most of the
   duration, then slams shut; radio-accordion reads as a jump.
   The clicked header is pinned in `Collapsible`. */
.collapsible.keep-mounted > .collapsible-body {
    overflow: hidden;
    max-height: none;
    opacity: 1;
    transition: none;
}
.collapsible.keep-mounted > .collapsible-body.collapsed {
    max-height: 0;
    padding-block: 0;
    pointer-events: none;
    opacity: 1;
    transition: none;
}
.collapsible-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
}
.collapsible-header > .collapsible-summary {
    flex: 1;
    min-width: 0;
}
.collapsible-accessories {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

/* Dense labels — longer copy lives in native `title` tooltips
   (Data Vault grammar). `?` mark is the discoverable affordance;
   a titled label is the quieter row-level form. */
.m-tip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--spacing-xs);
    min-width: 1rem;
    height: 1rem;
    padding: 0 var(--spacing-xs);
    border: 1px solid color-mix(in srgb, var(--text-muted) 45%, transparent);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    line-height: 1;
    cursor: help;
    vertical-align: middle;
}

.m-tip:hover,
.m-tip:focus-visible {
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--text-accent) 50%, transparent);
}

.kv-row-label[title],
.form-field-label[title] {
    cursor: help;
    text-decoration: underline dotted color-mix(in srgb, var(--text-muted) 45%, transparent);
    text-underline-offset: 0.15em;
}

.m-selectable-card__description:empty {
    display: none;
}