/* =============================================================
 * SUNSHINE — Components
 * Vocab per DESIGN.md §11. Single source of truth for shapes,
 * sizes, states. DO NOT redefine button/form/card shapes inline.
 * ============================================================= */

/* === Buttons (DESIGN.md §11) === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  border: 0;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: var(--fs-body);
  line-height: 1;
  text-decoration: none;
  transition: transform var(--dur-base) var(--ease-out-quart),
              background-color var(--dur-base) var(--ease-out-quart),
              color var(--dur-base) var(--ease-out-quart),
              border-color var(--dur-base) var(--ease-out-quart);
  min-block-size: 44px;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}
.btn--primary:hover { background: var(--color-primary-hover); color: var(--color-text-on-primary); }

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: var(--border-1-primary);
}
.btn--secondary:hover { background: var(--color-primary-soft); color: var(--color-primary); }

.btn--accent {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
}
.btn--accent:hover { background: var(--color-accent-hover); color: var(--color-text-on-accent); }

.btn--on-dark {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1px solid var(--color-border-on-dark);
}
.btn--on-dark:hover { background: oklch(1 0 0 / 0.06); color: var(--color-text-on-dark); }

.btn--lg { padding: 16px 32px; font-size: 1.0625rem; }
.btn--sm { padding: 8px 16px; font-size: var(--fs-small); min-block-size: 36px; }

/* === Status badge === */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
}
.status-badge::before {
  content: "";
  inline-size: 6px; block-size: 6px;
  border-radius: var(--radius-pill);
  background: currentColor;
}
.status-badge--pending   { background: var(--color-status-pending-bg);   color: var(--color-status-pending-fg); }
.status-badge--verified  { background: var(--color-status-verified-bg);  color: var(--color-status-verified-fg); }
.status-badge--custom    { background: var(--color-status-custom-bg);    color: var(--color-status-custom-fg); }
.status-badge--certified { background: var(--color-status-certified-bg); color: var(--color-status-certified-fg); }

.status-badge--pending::before { background: var(--color-status-pending-fg); }

/* data_pending graceful block (DESIGN.md §2.5, AGENTS.md §2.5) */
.spec-pending {
  display: block;
  padding: var(--space-md) var(--space-lg);
  border: var(--border-1);
  border-inline-start: 3px solid var(--color-accent);
  background: var(--color-surface-raised);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  color: var(--color-text);
}

/* === Spec table === */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
  border: var(--border-1);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.spec-table th,
.spec-table td {
  padding: var(--space-md);
  border-block-end: var(--border-1);
  text-align: start;
  vertical-align: top;
}
.spec-table th {
  background: var(--color-surface-raised);
  font-weight: var(--fw-semibold);
  color: var(--color-surface-dark);
}
.spec-table tr:last-child th,
.spec-table tr:last-child td { border-block-end: 0; }
.spec-table .is-pending { color: var(--color-text-muted); font-style: italic; }
.spec-table .spec-row--pending td { background: oklch(0.97 0.02 85 / 0.4); }

/* === Product card === */
.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: var(--border-1);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: border-color var(--dur-base) var(--ease-out-quart),
              box-shadow var(--dur-base) var(--ease-out-quart);
}
.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover-lift);
  text-decoration: none;
  color: inherit;
}
.product-card__media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-muted);
}
.product-card__media img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.product-card__title { font-size: var(--fs-title); font-weight: var(--fw-medium); line-height: var(--lh-title); margin: 0; }
.product-card__spec { font-size: var(--fs-small); color: var(--color-text-muted); margin: 0; }
.product-card__meta { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-block-start: auto; }

/* === Scene tile === */
.scene-tile {
  display: block;
  padding: var(--space-xl);
  border: var(--border-1);
  border-radius: var(--radius-lg);
  background: var(--color-surface-raised);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur-base) var(--ease-out-quart);
  block-size: 100%;
}
.scene-tile:hover { border-color: var(--color-primary); text-decoration: none; color: inherit; }
.scene-tile__title { font-size: var(--fs-title); margin-block-end: var(--space-sm); }
.scene-tile__summary { color: var(--color-text-muted); font-size: var(--fs-small); }

/* === Quote block === */
.quote-block {
  display: block;
  max-inline-size: 60ch;
  padding: var(--space-2xl) 0;
}
.quote-block blockquote { margin: 0; font-size: var(--fs-headline); line-height: var(--lh-headline); }
.quote-block cite { display: block; margin-block-start: var(--space-md); font-style: normal; font-size: var(--fs-small); color: var(--color-text-muted); }
.quote-block cite strong { color: var(--color-surface-dark); }

/* === Certification strip === */
.cert-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border: var(--border-1);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.cert-strip__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
}
.cert-strip__item svg { inline-size: 20px; block-size: 20px; color: var(--color-accent); }

/* === FAQ accordion === */
.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.faq__item {
  border: var(--border-1);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.faq__q {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
}
.faq__q summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  align-items: center;
}
.faq__q summary::-webkit-details-marker { display: none; }
.faq__q summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: var(--fw-regular);
  color: var(--color-primary);
  transition: transform var(--dur-base) var(--ease-out-quart);
}
.faq__q[open] summary::after { content: "−"; }
.faq__a {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-text);
  font-size: var(--fs-small);
  line-height: var(--lh-meta);
}

/* === Form fields === */
.field { display: flex; flex-direction: column; gap: var(--space-xs); margin-block-end: var(--space-md); }
.field__label { font-size: var(--fs-small); font-weight: var(--fw-medium); color: var(--color-surface-dark); }
.field__label .req { color: var(--color-primary); margin-inline-start: 2px; }
.field input,
.field select,
.field textarea {
  padding: 10px var(--space-md);
  border: 1px solid #d5d5d5;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--fs-body);
  line-height: var(--lh-meta);
  transition: border-color var(--dur-base) var(--ease-out-quart);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.field textarea { min-block-size: 120px; resize: vertical; }
.field__hint { font-size: var(--fs-small); color: var(--color-text-muted); }
.field__error { font-size: var(--fs-small); color: #b34a3a; }
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"],
.field select[aria-invalid="true"] { border-color: #b34a3a; }
.field--honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* === Form layout === */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md) var(--space-lg);
}
.form-grid .field--full { grid-column: 1 / -1; }
@media (max-width: 639px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* === Region map === */
.region-map {
  position: relative;
  aspect-ratio: 16 / 9;
  border: var(--border-1);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-raised);
}
.region-map iframe { inline-size: 100%; block-size: 100%; border: 0; }

/* === Capability metric === */
.cap-metric { display: flex; flex-direction: column; gap: var(--space-xs); }
.cap-metric__value { font-size: var(--fs-headline); font-weight: var(--fw-bold); color: var(--color-primary); line-height: 1; letter-spacing: var(--ls-display); }
.cap-metric__label { font-size: var(--fs-small); color: var(--color-text-muted); }

/* === Hero === */
.hero {
  position: relative;
  padding-block: var(--space-5xl);
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { inline-size: 100%; block-size: 100%; object-fit: cover; opacity: 0.45; }
.hero__inner { position: relative; max-inline-size: 60ch; }
.hero h1 { color: var(--color-surface); margin-block-end: var(--space-md); }
.hero p { font-size: var(--fs-title); color: var(--color-text-on-dark); opacity: 0.92; max-inline-size: 50ch; }
.hero__cta-row { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-block-start: var(--space-xl); }
@media (max-width: 639px) { .hero__cta-row { flex-direction: stretch; } .hero__cta-row .btn { flex: 1; } }

/* === Section intro === */
.section-intro { max-inline-size: 60ch; margin-block-end: var(--space-3xl); }
.section-intro h2 { margin-block-end: var(--space-md); }

/* === Empty state === */
.empty-state {
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  border: var(--border-1);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
}
.empty-state h3 { margin-block-end: var(--space-sm); }
.empty-state p { margin-inline: auto; color: var(--color-text-muted); }

/* === Tag list === */
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.tag {
  display: inline-flex;
  padding: var(--space-xs) var(--space-md);
  border: var(--border-1);
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  background: var(--color-surface);
}

/* === Media gallery (product page) === */
.gallery { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
.gallery__main {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-muted);
}
.gallery__main img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.gallery__thumbs { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.gallery__thumb {
  inline-size: 80px; block-size: 60px;
  border: var(--border-1);
  border-radius: var(--radius-xs);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: var(--color-surface-muted);
}
.gallery__thumb img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.gallery__thumb[aria-pressed="true"] { border-color: var(--color-primary); border-width: 2px; }

/* === Related products === */
.related { margin-block-start: var(--space-4xl); }
.related h2 { margin-block-end: var(--space-xl); }

/* === Pagination === */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  align-items: center;
}
.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 40px;
  min-block-size: 40px;
  padding: var(--space-xs) var(--space-sm);
  border: var(--border-1);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  text-decoration: none;
}
.pagination .page-numbers:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}
.pagination .page-numbers.current {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}
.pagination .page-numbers.current:hover {
  color: var(--color-text-on-primary);
}
.pagination .page-numbers.dots {
  border: 0;
  background: transparent;
  cursor: default;
  min-inline-size: auto;
}
.pagination .page-numbers.dots:hover {
  border-color: transparent;
  color: var(--color-text-muted);
}