/* ============================================================
   Common Grid Header — Affiliate Area
   Figma: Standard page header with breadcrumb + title
   Requires: global.css vars
   ============================================================ */

.grid-header {
  position: relative;
  background-color: var(--surface-hero);
  padding: 24px 64px 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3xl);
}

/* ─── Background dot pattern ──────────────────────────────── */
.grid-header__bg-pattern {
  position: absolute;
  top: -492px;
  left: -180px;
  width: 1800px;
  height: 1145px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.grid-header__bg-pattern-inner {
  position: absolute;
  left: 137px;
  top: 0;
  width: 1520px;
  height: 1145px;
  background-image: radial-gradient(var(--icon-muted) 2px, transparent 2px);
  background-size: 32px 32px;
}

/* ─── Decorative circle ───────────────────────────────────── */
.grid-header__deco-circle {
  position: absolute;
  width: 500px;
  height: 500px;
  right: -100px;
  top: -363px;
  border-radius: 9999px;
  pointer-events: none;
  z-index: 1;
}

/* Opaque blocker — prevents dot pattern showing through the ring */
.grid-header__deco-circle::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  border: 40px solid var(--surface-hero);
  box-sizing: border-box;
}

/* Visible lime ring on top of blocker */
.grid-header__deco-circle::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  border: 40px solid var(--surface-accent);
  opacity: 0.1;
  box-sizing: border-box;
}

/* ─── Inner content ───────────────────────────────────────── */
.grid-header__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1440px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

/* ─── Breadcrumb ──────────────────────────────────────────── */
.grid-header__breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.grid-header__breadcrumb-list > li {
  min-width: 0;
}

.grid-header__breadcrumb-link {
  display: block;
  line-height: 1.5;
  padding: 2px 0;
  color: var(--text-nav-default);
  text-decoration: none;
  transition: color 150ms ease;
}

.grid-header__breadcrumb-link:hover {
  color: var(--text-on-dark);
  text-decoration: none;
}

.grid-header__breadcrumb-link:focus-visible {
  outline: 2px solid var(--text-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.grid-header__breadcrumb-sep {
  width: 16px;
  height: 16px;
  opacity: 0.5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon-on-dark);
  flex-shrink: 0;
}

.grid-header__breadcrumb-sep svg {
  width: 100%;
  height: 100%;
}

.grid-header__breadcrumb-list > li:last-child {
  min-width: 0;
  flex: 1;
}

.grid-header__breadcrumb-current {
  display: block;
  color: var(--text-accent);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  line-height: 1.5;
  padding: 2px 0;
}

/* ─── Title ───────────────────────────────────────────────── */
.grid-header__title-wrap {
  padding: var(--spacing-md) 0;
}

.grid-header__title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.grid-header__title {
  color: var(--text-heading-on-dark);
}

.grid-header__subtitle {
  margin: var(--spacing-sm) 0 0;
  max-width: 100%;
  color: var(--primitive-navy-100);
  white-space: pre-line;
}

/* ─── Pin Page button ─────────────────────────────────────── */
/* [hidden] must win over the inline-flex display below */
.grid-header__pin[hidden] {
  display: none;
}

.grid-header__pin {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--surface-inverse);
  color: var(--text-on-dark);
  border: none;
  cursor: pointer;
  transition: background-color 150ms ease;
}

.grid-header__pin:hover {
  background: var(--surface-cta);
}

.grid-header__pin:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.grid-header__pin:focus-visible {
  outline: 2px solid var(--text-accent);
  outline-offset: 2px;
}

.grid-header__pin-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--icon-muted);
}

.grid-header__pin-icon svg {
  width: 100%;
  height: 100%;
}

/* Pinned state — accent (lime) icon + "Unpin" label (Figma Unpin variant) */
.grid-header__pin.is-pinned .grid-header__pin-icon {
  color: var(--icon-accent);
}

/* Transient "Pinned" confirmation (2s after save) — muted icon, inverse bg */
.grid-header__pin.is-confirm,
.grid-header__pin.is-confirm:hover {
  background: var(--surface-inverse);
}

.grid-header__pin.is-confirm .grid-header__pin-icon {
  color: var(--icon-muted);
}

.grid-header__pin.is-confirm .grid-header__pin-label {
  color: var(--text-on-dark);
}

/* Confirm shows while disabled — keep it full-strength, not dimmed */
.grid-header__pin.is-confirm:disabled {
  opacity: 1;
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .grid-header {
    padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);
  }

  .grid-header__deco-circle {
    display: none;
  }

  .grid-header__bg-pattern {
    width: 1018px;
    left: -180px;
    top: -437px;
  }

  .grid-header__bg-pattern-inner {
    left: 180px;
  }

  /* Pin Page button drops under the title */
  .grid-header__title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xl);
  }
}