/*
 * OK Clinic — canonical shared components
 * Source of truth for .btn, .card, .eyebrow.
 * DO NOT define block-specific overrides here — those live in blocks.css.
 * Loading order: base.css (tokens) → components.css (this file) → blocks.css (block-specific).
 */

/* ============================================================
 * BUTTON
 * Touch-target compliant (WCAG 2.5.5 — min 44px).
 * Three variants: primary (filled lavender), ghost (outlined), dark (filled ink).
 * ============================================================ */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-xs);
  min-height: var(--touch-target);
  padding: 0 var(--gap-xl);
  border: var(--bw-hair) solid transparent;
  border-radius: var(--radius-pill);
  font: 500 var(--fs-meta)/1.15 var(--font-brand);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s var(--ease-out),
              color 0.25s var(--ease-out),
              border-color 0.25s var(--ease-out),
              transform 0.25s var(--ease-out),
              box-shadow 0.25s var(--ease-out);
}

.btn:focus-visible {
  outline: 2px solid var(--lavender-700);
  outline-offset: 3px;
  border-radius: inherit;
}

.btn--primary {
  background: var(--lavender-700);
  color: var(--bg);
}
.btn--primary:hover {
  background: color-mix(in oklch, var(--lavender-700) 88%, black);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover {
  background: var(--lavender-50);
  border-color: var(--lavender);
}

.btn--light {
  background: var(--bg);
  color: var(--ink);
  border-color: color-mix(in oklab, var(--bg) 72%, transparent);
}
.btn--light:hover {
  background: var(--lavender-50);
  border-color: var(--lavender);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn--dark {
  background: var(--ink);
  color: var(--bg);
}
.btn--dark:hover {
  background: var(--lavender-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

/* Dark-hero override — ghost button on dark photographic hero needs white text. */
.hero .btn--ghost {
  color: var(--bg);
  border-color: color-mix(in oklab, var(--bg) 28%, transparent);
}
.hero .btn--ghost:hover {
  background: color-mix(in oklab, var(--bg) 8%, transparent);
  border-color: color-mix(in oklab, var(--bg) 55%, transparent);
}

/* ============================================================
 * CARD
 * Base for all clickable/static surface cards.
 * Use .card--interactive on non-link elements (article/div) that need hover.
 * Use .card--accent for soft lavender background variant.
 * Block-specific hover effects on children (.svc__media, .bl__cover, etc.)
 * remain in blocks.css and combine with .card:hover.
 * ============================================================ */

.card {
  background: var(--bg);
  border: var(--bw-hair) solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad-card);
  transition: border-color 0.35s var(--ease-out),
              transform 0.35s var(--ease-out),
              box-shadow 0.35s var(--ease-out);
}

.card:is(a, button):hover,
.card--interactive:hover {
  border-color: var(--lavender);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card--accent {
  background: var(--lavender-50);
}

/* Media-first cards: edge-to-edge image on top, internal padding lives on body. */
.card--flush {
  padding: 0;
}

/* ============================================================
 * EYEBROW
 * Small uppercase label (typically above section title).
 * --light modifier for use on dark heroes.
 * __dot is the small circular indicator that often precedes text.
 * ============================================================ */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-xs);
  font: 600 var(--fs-eyebrow)/1 var(--font-body);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow--light {
  color: color-mix(in oklab, var(--bg) 82%, transparent);
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  /* Intentionally softer than the eyebrow text. */
  opacity: 0.6;
}

/* ============================================================
 * CHIP
 * Tab/filter pill. Compact alternative to .btn (no 44px floor on
 * desktop) for filter rows that must stay single-line on mobile.
 * On (hover: none) the global @media rule in base.css promotes
 * <button class="chip"> to 44px min-height automatically.
 * ============================================================ */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-xs);
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: var(--bw-hair) solid var(--line);
  color: var(--ink);
  font: 500 var(--fs-meta)/1 var(--font-brand);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    color 0.25s var(--ease-out),
    transform 0.25s var(--ease-out);
}

.chip:focus-visible {
  outline: 2px solid var(--lavender-700);
  outline-offset: 3px;
  border-radius: inherit;
}

@media (hover: hover) {
  .chip:hover:not(:disabled):not([data-active='true']) {
    background: var(--lavender-50);
    border-color: var(--lavender);
    color: var(--lavender-700);
    transform: translateY(-1px);
  }
}

.chip[data-active='true'] {
  background: var(--lavender-700);
  border-color: var(--lavender-700);
  color: var(--bg);
  box-shadow: var(--shadow-hover);
}

.chip:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chip__count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: var(--radius-pill);
  background: var(--lavender-50);
  color: var(--lavender-700);
  font: 500 var(--fs-eyebrow)/1 var(--font-body);
  font-variant-numeric: tabular-nums;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.chip[data-active='true'] .chip__count {
  background: color-mix(in oklab, var(--bg) 20%, transparent);
  color: var(--bg);
}

/* Mobile: denser filter rows. Deliberately narrows the 44px touch floor
 * from base.css (@media (hover:none) button) to 36px — chips are
 * secondary filters and full-size pills collapsed into 4-5 rows on
 * phones. Kit contract change, see UI-KIT.md CHIPS. */
@media (max-width: 780px) {
  .chip {
    padding: 7px 12px;
    min-height: 36px;
  }

  .chip__count {
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
  }
}