/*
 * Self-contained front styles for the kit blocks: no framework, no reset
 * assumed, and rethemable by overriding the `--cb-kit-*` tokens.
 *
 * @see docs/internals/kit.md#blocks-are-autonomous
 */

/* On the root at zero specificity: set once on :root, or on any container. */
:where(:root) {
    --cb-kit-primary: #4f46e5;
    --cb-kit-primary-contrast: #ffffff;
    --cb-kit-secondary: #64748b;
    --cb-kit-secondary-contrast: #ffffff;
    --cb-kit-border: #d1d5db;
    --cb-kit-text: #1f2937;
    --cb-kit-radius: 8px;
}

/* ---------- Editor-authored HTML ----------
   The only blocks where an <img> can arrive at its intrinsic width. */

/* NOT a bare `img`: this sheet is linked on the host's whole layout, and
   :where() zeroes specificity so a host needs no !important. */
:where(.cb-block-rich-text, .cb-block-html-raw) img {
    max-width: 100%;
    height: auto;
}

/* ---------- Title ---------- */
/* Size is a class, so a semantic <h2> can look like an h1. */
.cb-kit-title { margin: 0 0 .5rem; display: block; font-weight: 700; line-height: 1.2; }
.cb-kit-title--h1 { font-size: 2.5rem; }
.cb-kit-title--h2 { font-size: 2rem; }
.cb-kit-title--h3 { font-size: 1.5rem; }
.cb-kit-title--h4 { font-size: 1.25rem; }
.cb-kit-title--h5 { font-size: 1.1rem; }
.cb-kit-title--h6 { font-size: .95rem; }

/* ---------- Button ---------- */
.cb-kit-btn-wrap { display: flex; }
.cb-kit-btn-wrap--start { justify-content: flex-start; }
.cb-kit-btn-wrap--center { justify-content: center; }
.cb-kit-btn-wrap--end { justify-content: flex-end; }

.cb-kit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5em;
    border: 1px solid transparent;
    border-radius: var(--cb-kit-radius, 8px);
    font: inherit;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: filter .15s ease, background-color .15s ease, color .15s ease;
}
.cb-kit-btn--sm { padding: .4em .9em; font-size: .875rem; }
.cb-kit-btn--md { padding: .6em 1.2em; font-size: 1rem; }
.cb-kit-btn--lg { padding: .8em 1.6em; font-size: 1.125rem; }
.cb-kit-btn--block { display: flex; width: 100%; }
.cb-kit-btn--primary { background: var(--cb-kit-primary); color: var(--cb-kit-primary-contrast, #fff); }
.cb-kit-btn--secondary { background: var(--cb-kit-secondary); color: var(--cb-kit-secondary-contrast, #fff); }
.cb-kit-btn--outline { background: transparent; border-color: currentColor; color: var(--cb-kit-primary); }
.cb-kit-btn--link { background: transparent; color: var(--cb-kit-primary); padding-left: 0; padding-right: 0; text-decoration: underline; text-underline-offset: 3px; }
.cb-kit-btn:hover { filter: brightness(1.06); }
.cb-kit-btn--outline:hover, .cb-kit-btn--link:hover { filter: none; text-decoration: underline; }

/* ---------- Button group ---------- */
.cb-kit-btn-group { display: flex; flex-wrap: wrap; gap: var(--cb-kit-btn-gap, .75rem); align-items: center; }
.cb-kit-btn-group--start { justify-content: flex-start; }
.cb-kit-btn-group--center { justify-content: center; }
.cb-kit-btn-group--end { justify-content: flex-end; }
/* Stacked, each button takes the row, so the labels line up on mobile. */
@media (max-width: 540px) {
    .cb-kit-btn-group--stack { flex-direction: column; align-items: stretch; }
    .cb-kit-btn-group--stack > .cb-kit-btn { justify-content: center; }
}

/* ---------- Divider ---------- */
.cb-kit-divider { border: 0; border-top: 2px solid var(--cb-kit-border, #d1d5db); margin: 1.25rem 0; }
.cb-kit-divider--solid { border-top-style: solid; }
.cb-kit-divider--dashed { border-top-style: dashed; }
.cb-kit-divider--dotted { border-top-style: dotted; }

/* ---------- Icon ---------- */
.cb-kit-icon { display: flex; color: var(--cb-kit-primary, #4f46e5); }
.cb-kit-icon--start { justify-content: flex-start; }
.cb-kit-icon--center { justify-content: center; }
.cb-kit-icon--end { justify-content: flex-end; }
.cb-kit-icon svg { display: block; }

/* ---------- Alert ---------- */
.cb-kit-alert {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    padding: 1rem 1.1rem;
    border: 1px solid;
    border-radius: var(--cb-kit-radius, 8px);
    color: var(--cb-kit-text, #1f2937);
}
.cb-kit-alert__icon { flex: 0 0 auto; line-height: 0; margin-top: .1rem; }
.cb-kit-alert__body { min-width: 0; }
.cb-kit-alert__title { margin: 0 0 .2rem; font-weight: 700; }
.cb-kit-alert__message { margin: 0; }
.cb-kit-alert--info { background: #eff6ff; border-color: #bfdbfe; }
.cb-kit-alert--info .cb-kit-alert__icon { color: #2563eb; }
.cb-kit-alert--success { background: #ecfdf5; border-color: #a7f3d0; }
.cb-kit-alert--success .cb-kit-alert__icon { color: #059669; }
.cb-kit-alert--warning { background: #fffbeb; border-color: #fde68a; }
.cb-kit-alert--warning .cb-kit-alert__icon { color: #d97706; }
.cb-kit-alert--error { background: #fef2f2; border-color: #fecaca; }
.cb-kit-alert--error .cb-kit-alert__icon { color: #dc2626; }

/* ---------- List ---------- */
.cb-kit-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.cb-kit-list--bullet { list-style: disc; padding-left: 1.4rem; }
.cb-kit-list--bullet .cb-kit-list__item { display: list-item; }
.cb-kit-list--numbered { list-style: decimal; padding-left: 1.6rem; }
.cb-kit-list--numbered .cb-kit-list__item { display: list-item; }
.cb-kit-list--check .cb-kit-list__item { display: flex; align-items: flex-start; gap: .5rem; }
.cb-kit-list__check { flex: 0 0 auto; line-height: 0; color: var(--cb-kit-primary, #4f46e5); margin-top: .12rem; }

/* ---------- Embed (responsive 16:9) ---------- */
.cb-kit-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--cb-kit-radius, 8px); background: #000; }
.cb-kit-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.cb-kit-embed__error { color: #b45309; font-style: italic; }

/* ---- Video ---- the width caps the <video>, so the figure can align it. */
.cb-kit-video { margin: 0; display: flex; flex-direction: column; }
.cb-kit-video--start { align-items: flex-start; }
.cb-kit-video--center { align-items: center; }
.cb-kit-video--end { align-items: flex-end; }
.cb-kit-video__player { display: block; width: 100%; max-width: 100%; height: auto; border-radius: var(--cb-kit-radius, 8px); background: #000; }
.cb-kit-video__caption { margin-top: .4rem; font-size: .875rem; color: #6b7280; }

/* ---------- Breadcrumb ---------- */
.cb-kit-breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; margin: 0; padding: 0; list-style: none; }
.cb-kit-breadcrumb__item { display: inline-flex; align-items: center; gap: .4rem; }
.cb-kit-breadcrumb__link { color: var(--cb-kit-primary, #4f46e5); text-decoration: none; }
.cb-kit-breadcrumb__link:hover { text-decoration: underline; }
.cb-kit-breadcrumb__current { color: #6b7280; }
.cb-kit-breadcrumb__sep { color: #9ca3af; }

/* ---------- Accordion (native <details>) ---------- */
.cb-kit-accordion { display: flex; flex-direction: column; border: 1px solid var(--cb-kit-border, #d1d5db); border-radius: var(--cb-kit-radius, 8px); overflow: hidden; }
.cb-kit-accordion__item + .cb-kit-accordion__item { border-top: 1px solid var(--cb-kit-border, #d1d5db); }
.cb-kit-accordion__summary { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .9rem 1.1rem; font-weight: 600; cursor: pointer; list-style: none; }
.cb-kit-accordion__summary::-webkit-details-marker { display: none; }
.cb-kit-accordion__marker { line-height: 0; color: #6b7280; transition: transform .2s ease; transform: rotate(90deg); }
.cb-kit-accordion__item[open] .cb-kit-accordion__marker { transform: rotate(-90deg); }
.cb-kit-accordion__content { padding: 0 1.1rem 1rem; color: #374151; }

/* ---------- Tabs (CSS-only, no JS) ---------- */

/* Markup is radio -> label -> panel, laid out by flex `order` so the whole
   block is two static rules rather than one per tab index. */

/* That is what replaced a per-instance <style> tag no host could override
   without !important. Tokens sit in :where(), so any host selector wins. */
:where(:root) {
    --cb-kit-tabs-line: #e5e7eb;
    --cb-kit-tabs-tab: #6b7280;
    --cb-kit-tabs-tab-active: #1f2937;
    --cb-kit-tabs-panel-bg: #ffffff;
    --cb-kit-tabs-accent: #4f46e5;
}
.cb-kit-tabs { display: flex; flex-wrap: wrap; column-gap: 2px; row-gap: 0; }
/* Offscreen but focusable — `display:none` would drop the arrow-key
   navigation the radio group provides for free. */
.cb-kit-tabs__radio { position: absolute; width: 0; height: 0; opacity: 0; }
.cb-kit-tabs__tab {
    order: 1;
    /* Pulls the label onto the panel's top border so the open tab covers it. */
    margin-bottom: -1px;
    padding: .5rem .9rem;
    border: 1px solid transparent;
    border-bottom: 0;
    border-radius: var(--cb-kit-radius, 8px) var(--cb-kit-radius, 8px) 0 0;
    color: var(--cb-kit-tabs-tab);
    font-size: .9rem;
    line-height: 1.3;
    cursor: pointer;
    user-select: none;
}
.cb-kit-tabs__tab:hover { color: var(--cb-kit-tabs-tab-active); }
.cb-kit-tabs__panel {
    order: 2;
    display: none;
    width: 100%;
    padding: 1rem .85rem;
    border: 1px solid var(--cb-kit-tabs-line);
    border-radius: 0 0 var(--cb-kit-radius, 8px) var(--cb-kit-radius, 8px);
    background: var(--cb-kit-tabs-panel-bg);
}
.cb-kit-tabs__radio:checked + .cb-kit-tabs__tab {
    color: var(--cb-kit-tabs-tab-active);
    background: var(--cb-kit-tabs-panel-bg);
    border-color: var(--cb-kit-tabs-line);
}
.cb-kit-tabs__radio:checked + .cb-kit-tabs__tab + .cb-kit-tabs__panel { display: block; }
/* The radio is invisible, so its focus ring is drawn on the label instead. */
.cb-kit-tabs__radio:focus-visible + .cb-kit-tabs__tab {
    outline: 2px solid var(--cb-kit-tabs-accent);
    outline-offset: -2px;
}
.cb-kit-tabs__empty { color: #6b7280; }

/* ---------- Image ---------- */

/* Capped on the <img>, not the figure: a max-width'd figure sits at the
   column's left edge and left/center/right all look the same. */
.cb-kit-image { margin: 0; display: flex; flex-direction: column; }
.cb-kit-image--start { align-items: flex-start; }
.cb-kit-image--center { align-items: center; }
.cb-kit-image--end { align-items: flex-end; }
.cb-kit-image__img { max-width: 100%; height: auto; display: block; }
/* Full width fills the column even when the file is narrower than it. */
.cb-kit-image--size-full .cb-kit-image__img { width: 100%; }
.cb-kit-image__caption { margin-top: .4rem; font-size: .875rem; color: #6b7280; }
.cb-kit-muted { color: #6b7280; }

/* ---------- Gallery ---------- */
.cb-kit-gallery { --cb-kit-cols: 3; --cb-kit-fit: cover; }
.cb-kit-gallery__item { margin: 0; }
.cb-kit-gallery__img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: var(--cb-kit-fit, cover); border-radius: var(--cb-kit-radius, 6px); }
.cb-kit-gallery__caption { margin-top: .35rem; text-align: center; font-size: .85rem; color: #6b7280; }
.cb-kit-gallery--grid { display: grid; gap: 1rem; grid-template-columns: repeat(var(--cb-kit-cols, 3), minmax(0, 1fr)); }
@media (max-width: 640px) { .cb-kit-gallery--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.cb-kit-gallery--slider { display: flex; align-items: center; gap: .5rem; }
.cb-kit-gallery--slider .cb-kit-gallery__track { display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory; flex: 1 1 auto; scrollbar-width: thin; }
.cb-kit-gallery--slider .cb-kit-gallery__item { flex: 0 0 calc((100% - (var(--cb-kit-cols, 3) - 1) * 1rem) / var(--cb-kit-cols, 3)); scroll-snap-align: start; }
.cb-kit-gallery__nav { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 2.2rem; height: 2.2rem; border: 1px solid var(--cb-kit-border, #d1d5db); border-radius: 999px; background: #fff; color: #374151; cursor: pointer; line-height: 0; }
.cb-kit-gallery__nav:disabled { opacity: .35; cursor: default; }
.cb-kit-gallery__nav--prev { transform: rotate(180deg); }

/* ---------- Cards ---------- */
.cb-kit-cards--grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(var(--cb-kit-cols, 3), minmax(0, 1fr)); }
@media (max-width: 640px) { .cb-kit-cards--grid { grid-template-columns: 1fr; } }
.cb-kit-cards--list { display: flex; flex-direction: column; gap: 1rem; }
.cb-kit-card { display: flex; flex-direction: column; border: 1px solid var(--cb-kit-border, #d1d5db); border-radius: var(--cb-kit-radius, 8px); overflow: hidden; background: #fff; }
.cb-kit-cards--list .cb-kit-card { flex-direction: row; }
.cb-kit-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.cb-kit-cards--list .cb-kit-card__media { flex: 0 0 33%; max-width: 220px; }
.cb-kit-card__body { display: flex; flex-direction: column; gap: .6rem; padding: 1.1rem; }
.cb-kit-card__title { margin: 0; font-size: 1.15rem; }
.cb-kit-card__text { margin: 0; color: #374151; }
.cb-kit-card__btn { align-self: flex-start; margin-top: auto; }

/* ---------- Table ---------- */
.cb-kit-table-wrap { overflow-x: auto; }
.cb-kit-table { width: 100%; border-collapse: collapse; }
.cb-kit-table th, .cb-kit-table td { padding: .6rem .8rem; border-bottom: 1px solid var(--cb-kit-border, #d1d5db); }
.cb-kit-table thead th { background: #f9fafb; font-weight: 700; }
.cb-kit-table--striped tbody tr:nth-child(odd) { background: #f9fafb; }
.cb-kit-table--l { text-align: left; }
.cb-kit-table--c { text-align: center; }
.cb-kit-table--r { text-align: right; }