/* Phase 3 component styles — developer hub, cards, search, tabs, timeline,
   terminal. Token-driven; extends global.css + components.css. */

/* ---------- Badge variants ---------- */
.badge--preview {
  color: var(--color-secondary);
  border-color: color-mix(in srgb, var(--color-secondary) 40%, transparent);
  background: color-mix(in srgb, var(--color-secondary) 12%, transparent);
}
.badge--rc {
  color: var(--color-brand);
  border-color: color-mix(in srgb, var(--color-brand) 40%, transparent);
  background: color-mix(in srgb, var(--color-brand) 12%, transparent);
}
.badge--deprecated {
  color: var(--color-warning);
  border-color: color-mix(in srgb, var(--color-warning) 40%, transparent);
}
.badge--archived {
  color: var(--color-text-muted);
}
.badge--muted {
  color: var(--color-text-muted);
  text-transform: capitalize;
}
.badge--tag {
  color: var(--color-text-secondary);
  background: var(--color-surface-2);
  border-color: transparent;
}

.card__meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
}

/* ---------- Stat cards + GitHub panel ---------- */
.stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  min-width: 8rem;
}
a.stat-card:hover {
  border-color: var(--color-brand);
  text-decoration: none;
}
.stat-card__value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand);
}
.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.github-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.github-panel__stats {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
}
.timeline__item {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: var(--space-4);
  position: relative;
}
.timeline__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 1.25rem;
  bottom: calc(-1 * var(--space-5));
  width: 2px;
  background: var(--color-border);
}
.timeline__marker {
  width: 1rem;
  height: 1rem;
  border-radius: var(--radius-full);
  background: var(--color-brand);
  margin-top: 0.35rem;
  z-index: 1;
}
.timeline__phase {
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}
.timeline__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-size: var(--font-size-lg);
}

/* ---------- Terminal + copy ---------- */
.terminal {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #0c0c14;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: #16161f;
  border-bottom: var(--border-width) solid #24242f;
}
.terminal__dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: var(--radius-full);
  background: #3a3a4c;
}
.terminal__title {
  margin-left: var(--space-2);
  font-size: var(--font-size-xs);
  color: #9494a6;
}
.terminal__body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}
.terminal__command {
  color: #e6e6f0;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  background: none;
  overflow-x: auto;
}
.terminal__prompt {
  color: var(--color-secondary);
  margin-right: 0.5em;
}
.copy-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  border: var(--border-width) solid var(--color-border-strong);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  background: var(--color-surface);
  flex-shrink: 0;
}
.copy-button:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

/* ---------- Tabs ---------- */
.tabs__list {
  display: flex;
  gap: var(--space-1);
  border-bottom: var(--border-width) solid var(--color-border);
  margin-bottom: var(--space-5);
  overflow-x: auto;
}
.tabs__tab {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  border-bottom: var(--border-width-thick) solid transparent;
  white-space: nowrap;
}
.tabs__tab[aria-selected="true"] {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
}
.tabs__tab:hover {
  color: var(--color-text);
}

/* ---------- Accordion ---------- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.accordion__item {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.accordion__summary {
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
}
.accordion__summary:focus-visible {
  outline: var(--border-width-thick) solid var(--color-focus);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}
.accordion__content {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--color-text-secondary);
}

/* ---------- Hub groups ---------- */
.hub-group {
  margin-bottom: var(--space-7);
}
.hub-group__items {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  list-style: none;
  padding: 0;
}
.hub-link {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.hub-link:hover {
  border-color: var(--color-brand);
  text-decoration: none;
  transform: translateY(-1px);
}
.hub-link__icon {
  font-size: 1.4rem;
  line-height: 1;
}
.hub-link__label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}
.hub-link__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ---------- Search trigger + overlay ---------- */
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: var(--color-surface);
  font-size: var(--font-size-sm);
}
.search-trigger:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}
.search-trigger__kbd {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0 0.35em;
  color: var(--color-text-muted);
}
.search-trigger__label {
  display: none;
}
@media (min-width: 48rem) {
  .search-trigger__label {
    display: inline;
  }
}

.search-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-scrim);
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}
.search-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}
.search-modal {
  position: fixed;
  z-index: var(--z-drawer);
  top: 10vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(40rem, 92vw);
  background: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.search-modal__field {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: var(--border-width) solid var(--color-border);
  color: var(--color-text-muted);
}
.search-input {
  flex: 1;
  border: none;
  background: none;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  outline: none;
}
.search-modal__close {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.5em;
}
.search-results {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  max-height: 60vh;
  overflow-y: auto;
}
.search-empty {
  padding: var(--space-5);
  text-align: center;
}
.search-result {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "cat title" "cat desc";
  gap: 0 var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.search-result.is-active,
.search-result:hover {
  background: var(--color-surface);
  text-decoration: none;
}
.search-result__cat {
  grid-area: cat;
  align-self: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.1em 0.6em;
  white-space: nowrap;
}
.search-result__title {
  grid-area: title;
  font-weight: var(--font-weight-semibold);
}
.search-result__desc {
  grid-area: desc;
  font-size: var(--font-size-sm);
}

/* ---------- Downloads / examples extras ---------- */
.download-option__checksum {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
}

/* ---------- Mega menu ---------- */
.nav-item {
  position: relative;
  display: inline-flex;
}
.main-nav__caret {
  font-size: 0.7em;
  margin-left: 0.25em;
  opacity: 0.6;
}
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 30rem;
  max-width: 90vw;
  background: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  margin-top: var(--space-2);
  /* display:none (not visibility:hidden) so the absolutely-positioned panel does
     not inflate the page scroll width while closed. Focusing the top-level link
     triggers :focus-within, so keyboard users can still open it. */
  display: none;
  z-index: var(--z-header);
}
.has-mega:hover .mega-menu,
.has-mega:focus-within .mega-menu {
  display: grid;
}
.mega-col__list a .hub-link__desc {
  display: block;
}
.mega-col__title {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.mega-col__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.mega-col__list a {
  display: block;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}
.mega-col__list a:hover {
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
}

/* ---------------------------------------------------------------------------
   Forms (Phase 4): contact form, newsletter signup, and shared field styling.
   Progressive enhancement — these render as ordinary controls in the pre-render
   and light up when the client mounts.
--------------------------------------------------------------------------- */
.contact-form-wrap {
  max-width: 40rem;
}
.contact-form-wrap > h2 {
  margin-bottom: var(--space-2);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.form-field label {
  font-weight: 600;
  color: var(--color-text-secondary);
}
.form-field input,
.form-field textarea,
.newsletter__form input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md, 0.5rem);
}
.form-field input:focus-visible,
.form-field textarea:focus-visible,
.newsletter__form input:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-color: var(--color-focus);
}
.form-field textarea {
  resize: vertical;
  min-height: 7rem;
}

.form-status {
  margin-top: var(--space-3);
  font-size: 0.95rem;
}
.form-status--success {
  color: var(--color-success);
}
.form-status--error {
  color: var(--color-error);
}

.newsletter {
  grid-column: 1 / -1;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  max-width: 32rem;
}
.newsletter p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}
.newsletter__form {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.newsletter__form input {
  flex: 1 1 12rem;
}

/* Selects share the text-input skin so a form reads as one control set. */
.form-field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md, 0.5rem);
}
.form-field select:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-color: var(--color-focus);
}

/* Checkbox rows put the control beside its label, not above it. */
.form-field--check,
.check {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
}
.form-field--check input,
.check input {
  width: auto;
  margin-top: 0.2rem;
  flex: none;
}
.form-field--check label,
.check {
  font-weight: 400;
  color: var(--color-text-secondary);
}

.field-hint {
  font-weight: 400;
  color: var(--color-text-muted, var(--color-text-secondary));
}

/* An invalid control's reason sits directly under it (aria-describedby). */
.field-error {
  margin-top: var(--space-2);
  color: var(--color-error);
  font-size: 0.9rem;
}

.field-count {
  align-self: flex-end;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}

/* Newsletter: a row for email + button, stacked options beneath it. */
.newsletter__form {
  flex-direction: column;
}
.newsletter__row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  width: 100%;
}
.newsletter__interests {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}
.newsletter__interests legend {
  padding: 0;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  font-weight: 600;
}
.newsletter__note {
  font-size: 0.85rem;
}

/* Ecosystem status + announcements (release center). */
.status-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  list-style: none;
  padding: 0;
}
.status-list__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.status-list__name {
  font-weight: 600;
}
.status-list__meta {
  margin-top: var(--space-3);
  font-size: 0.9rem;
}

.announcement-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}
.announcement-item {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-border-strong);
  border-radius: var(--radius-md, 0.5rem);
  background: var(--color-surface, transparent);
}
.announcement-item--success {
  border-left-color: var(--color-success);
}
.announcement-item--warning,
.announcement-item--critical {
  border-left-color: var(--color-error);
}
.announcement-item__title {
  margin-bottom: var(--space-2);
  font-size: 1.05rem;
}