/**
 * Shared page patterns — events, history, contact, list archives.
 * Load after site-components.css.
 */

/* ─── List controls (calmer, less dashboard) ─── */
.list-controls {
  margin-bottom: var(--space-4, 24px);
  padding: var(--space-3, 16px) 0;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

.list-search,
.list-sort {
  background: var(--surface-subtle);
  border-color: var(--border-strong);
  color: var(--text);
  transition: border-color var(--duration-interactive, 0.22s) var(--ease-out, ease);
}

.list-search:focus,
.list-sort:focus {
  border-color: var(--accent);
  box-shadow: none;
}

.filter-btn {
  border-color: var(--border);
  color: var(--text-muted);
  transition:
    border-color var(--duration-interactive, 0.22s) var(--ease-out, ease),
    color var(--duration-interactive, 0.22s) var(--ease-out, ease),
    background var(--duration-interactive, 0.22s) var(--ease-out, ease);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
  background: var(--accent-dim);
}

.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent-soft);
  background: var(--accent-dim);
}

/* ─── Collection page content (tools / research / events / history) ─── */
.tools-shell,
.events-archive-section,
#eventsList {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* ─── Research archive ─── */
.research-archive-label {
  margin: 0 0 10px;
}

.research-list {
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  border-top: 1px solid var(--border);
}

.paper-item.interactive-card,
.paper-item {
  box-sizing: border-box;
}

.paper-item.interactive-card {
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  padding: var(--haa-archive-row-pad-y, 22px) 0;
}

.paper-item .item-title a:hover {
  color: var(--accent-soft);
  text-decoration: none;
}

/* ─── Events ─── */
details.event-block.interactive-card {
  margin-top: 0;
  padding: var(--haa-archive-row-pad-y, 22px) 0 var(--space-3, 16px);
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  box-sizing: border-box;
}

details.event-block.interactive-card:hover {
  transform: none;
  background: var(--accent-dim);
}

details.event-block.interactive-card[open] {
  background: var(--accent-dim);
  border-color: var(--border);
  box-shadow: none;
}

details.event-block:hover .event-title {
  color: var(--accent-soft);
}

.events-empty-note {
  padding: var(--space-4, 24px) 0;
  border-top: 1px dashed var(--border);
}

/* ─── History timeline ─── */
.timeline-item {
  transition: opacity 0.5s var(--ease-out, ease), transform 0.5s var(--ease-out, ease);
}

.timeline-item:hover .title {
  color: var(--accent-soft);
}

.timeline-item:hover .timeline-marker::before {
  background: var(--accent);
}

.timeline-item:hover .media-placeholder {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border-strong));
  transform: translateY(-1px);
}

.timeline-content .source:hover {
  color: var(--link-hover);
  text-decoration: none;
}

/* ─── Contact form ─── */
.contact-form,
.inner-page form[name="contact"] {
  display: grid;
  gap: var(--space-4, 24px);
  padding: var(--space-4, 24px) 0;
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.contact-form input,
.contact-form textarea,
.inner-page form[name="contact"] input,
.inner-page form[name="contact"] textarea {
  background: var(--surface-subtle);
  border-color: var(--border-strong);
  color: var(--text);
}

.contact-form .button,
.inner-page form[name="contact"] .button {
  border-color: var(--border-strong);
  color: var(--accent-soft);
}

.contact-form .button:hover,
.inner-page form[name="contact"] .button:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-soft);
  text-decoration: none;
}

.collection-crumb {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.collection-crumb a {
  margin-right: 0;
  cursor: pointer;
}

.collection-page-actions,
.collection-actions,
.tools-page-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 16px;
}

@media (max-width: 700px) {
  .collection-page-actions,
  .collection-actions,
  .tools-page-actions {
    gap: 12px;
  }
}

.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
  margin: 28px 0 36px;
}

.collection-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 24px;
  border-radius: var(--haa-radius, 14px);
  border: 1px solid var(--haa-border-strong);
  background: var(--haa-surface);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.collection-card:hover {
  border-color: rgba(212, 175, 55, 0.3);
  transform: translateY(-2px);
}

.collection-card__label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--haa-accent-soft, var(--accent-soft));
  font-weight: 700;
}

.collection-card__desc {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
  flex: 1;
}

.collection-card__cta {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--haa-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--haa-link, var(--accent-soft));
  text-decoration: underline;
  text-underline-offset: 3px;
}

.collection-card:hover .collection-card__cta {
  color: var(--haa-link-hover, var(--accent-soft));
}

.collections-contribute {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 52ch;
}

.collection-discuss-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--haa-accent, #d4af37);
  cursor: pointer;
}

.collection-card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: auto;
  padding: 12px 20px 0;
  border-top: 1px solid var(--haa-border-strong);
}

.collection-card-foot:empty,
.paper-item__actions:empty,
.event-block__actions:empty {
  display: none;
  padding: 0;
  border: none;
}

.paper-item,
.event-block {
  display: flex;
  flex-direction: column;
}

.collection-card-inner,
.paper-item__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(14px, 2.5vw, 24px);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.collection-card-main,
.paper-item__main {
  flex: 1;
  min-width: 0;
}

.paper-item__actions,
.event-block__actions.collection-card-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  padding: 6px 0 6px 8px;
  border: none;
  min-width: 0;
  align-self: center;
}

.event-summary {
  align-items: center;
}

.event-summary__aside {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
  padding: 6px 0;
}

.paper-item__actions .collection-card__actions,
.event-block__actions .collection-card__actions {
  margin: 0;
  padding: 0;
  border: none;
}

.event-summary .event-block__actions {
  align-self: center;
  margin-right: 0;
}

.event-summary__aside .collection-card__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.paper-item > .collection-card-foot,
.event-block .collection-card-foot {
  margin-top: 10px;
  padding-top: 12px;
  padding-bottom: 0;
  width: 100%;
  box-sizing: border-box;
  border-top: none;
}

.collection-card-foot--event {
  margin-top: 14px;
  padding-top: 8px;
}

.collection-card-foot--history {
  margin-top: 12px;
}

.collection-card-share {
  flex-shrink: 0;
}

.collection-pending-panel {
  margin: 20px 0 28px;
  border: 1px solid color-mix(in srgb, var(--haa-accent) 25%, var(--haa-border-strong));
  border-radius: var(--haa-radius-sm);
  background: color-mix(in srgb, var(--haa-surface) 92%, var(--haa-accent) 8%);
}

.collection-pending-panel__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-soft);
  font-weight: 600;
}

.collection-pending-panel__summary::-webkit-details-marker {
  display: none;
}

.collection-pending-panel[open] .collection-pending-panel__summary {
  border-bottom: 1px solid var(--haa-border-strong);
}

.collection-pending-panel__title {
  margin: 0;
}

.collection-pending-panel__count {
  font-weight: 500;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.collection-pending-panel:not([open]) .collection-pending-panel__hint,
.collection-pending-panel:not([open]) .collection-pending-panel__list {
  display: none;
}

.collection-pending-panel[open] .collection-pending-panel__hint,
.collection-pending-panel[open] .collection-pending-panel__list {
  padding-left: 18px;
  padding-right: 18px;
}

.collection-pending-panel[open] .collection-pending-panel__hint {
  padding-top: 12px;
}

.collection-pending-panel[open] .collection-pending-panel__list {
  padding-bottom: 16px;
}

.collection-pending-panel__hint {
  margin: 0 0 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.collection-pending-panel__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.collection-pending-row {
  padding: 12px 14px;
  border-radius: var(--haa-radius-sm);
  border: 1px solid var(--haa-border-strong);
  background: var(--haa-surface-subtle, var(--bg-soft));
}

.collection-pending-row__title {
  margin: 0 0 4px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.collection-pending-row__meta,
.collection-pending-row__desc {
  margin: 0 0 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.collection-pending-row__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.collection-submit-lead {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.collection-submit-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.collection-submit-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.collection-submit-msg {
  font-size: 0.82rem;
  min-height: 1.2em;
  color: var(--text-muted);
}

.collection-tool-tags-select {
  width: 100%;
  min-height: 7.5rem;
  box-sizing: border-box;
}

.collection-tool-proposed[hidden] {
  display: none !important;
}

.collection-submit-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.collection-image-upload {
  margin-bottom: 14px;
}

.collection-image-upload__preview {
  margin: 8px 0 12px;
  max-width: 200px;
  border-radius: var(--haa-radius-sm, 8px);
  border: 1px solid var(--haa-border-strong);
  overflow: hidden;
}

.collection-image-upload__preview img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 140px;
  object-fit: cover;
}

.collection-image-upload__status {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.collection-image-upload__status--error {
  color: var(--danger, #c47a7a);
}

.tool-card[data-doc-id],
.collection-recently-deleted {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.collection-recently-deleted__title {
  margin: 0 0 16px;
  font-family: var(--haa-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 400;
}

.collection-recently-deleted__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.collection-recently-deleted__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--haa-radius-sm);
  background: var(--surface-subtle);
}

.collection-recently-deleted__main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.collection-recently-deleted__name {
  font-size: 0.9375rem;
  color: var(--text);
}

.collection-recently-deleted__meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.collections-deleted-mount {
  margin: var(--space-6) 0;
}

.collections-deleted-manager__head {
  margin-bottom: var(--space-5);
}

.collections-deleted-manager__title {
  margin: 0 0 var(--space-2);
  font-size: 1.25rem;
}

.collections-deleted-manager__lead {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9375rem;
  max-width: 36rem;
}

.collection-recently-deleted--group {
  margin-bottom: var(--space-5);
}

.collection-recently-deleted-mount.hidden,
.collections-deleted-mount.hidden {
  display: none !important;
}

.paper-item[data-doc-id],
.event-block[data-doc-id],
.timeline-item[data-doc-id] {
  position: relative;
}

.collection-mod-bar {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 3;
  display: flex;
  gap: 6px;
  align-items: center;
}

.collection-mod-trash {
  width: var(--haa-action-control-size-sm);
  height: var(--haa-action-control-size-sm);
  padding: 0;
  border: 1px solid var(--haa-border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 88%, var(--bg) 12%);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.collection-mod-trash:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--haa-border-strong));
  background: color-mix(in srgb, var(--surface) 80%, var(--accent) 8%);
}

.collection-mod-flash {
  font-size: 0.68rem;
  margin: 6px 0 0;
  color: var(--text-muted);
}

.collection-mod-flash--error {
  color: var(--danger, #c47a7a);
}

.collection-community-label,
.events-community-label,
.tools-community-label {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.collection-community-label.hidden,
.tools-community-label.hidden {
  display: none !important;
}

.tools-grid > .collection-community-label {
  display: none !important;
}

.about-body {
  max-width: var(--haa-max, 720px);
}

.about-body .section-title {
  margin-top: 28px;
}

.about-list {
  margin: 0;
  padding-left: 1.2em;
  line-height: 1.7;
}

.about-contact {
  margin-top: 32px;
  font-size: 0.9rem;
}

.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-hero-actions .haa-btn {
  text-decoration: none;
}

.contribute-page {
  max-width: var(--haa-max, 720px);
}

.contribute-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 32px 0 40px;
}

.contribute-block-wrap {
  border-radius: var(--haa-radius, 14px);
  border: 1px solid var(--haa-border-strong);
  background: var(--haa-surface);
  overflow: hidden;
}

.contribute-block {
  border: none;
  background: transparent;
}

.contribute-block__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.contribute-block__summary::-webkit-details-marker {
  display: none;
}

.contribute-block__summary::after {
  flex-shrink: 0;
  content: "+";
  font-family: var(--haa-font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.contribute-block[open] .contribute-block__summary::after {
  content: "−";
  color: var(--accent-soft);
}

.contribute-block[open] .contribute-block__summary {
  border-bottom: 1px solid var(--haa-border-strong);
}

.contribute-block__title {
  font-family: var(--haa-font-mono);
  font-size: clamp(14px, 2vw, 17px);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.contribute-block__body {
  padding: 18px 22px 20px;
}

.contribute-block__body p {
  margin: 0 0 12px;
  line-height: 1.65;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.contribute-block__body ul {
  margin: 0 0 14px;
  padding-left: 1.2em;
  line-height: 1.6;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.contribute-subhead {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 16px 0 8px;
  font-family: var(--haa-font-mono);
}

.contribute-block__foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 22px 20px;
  border-top: 1px solid var(--haa-border-strong);
}

.contribute-block__foot .haa-btn {
  text-decoration: none;
}

.contribute-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 42ch;
}

.contribute-note a {
  white-space: nowrap;
}

.contribute-note[hidden],
[data-contribute-guest-only][hidden] {
  display: none !important;
}

.contribute-taglists {
  display: grid;
  gap: 16px;
  margin: 12px 0 14px;
}

@media (min-width: 640px) {
  .contribute-taglists {
    grid-template-columns: 1fr 1fr;
  }
}

.contribute-taglists ul {
  margin: 4px 0 0;
}

.contribute-closing {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.contribute-closing .haa-btn {
  margin-top: 16px;
  text-decoration: none;
}

.mod-card__link {
  display: inline-block;
  margin: 4px 0 8px;
  font-size: 0.78rem;
  word-break: break-all;
}

.mod-card__meta--sub {
  opacity: 0.85;
}

@media (max-width: 768px) {
  .list-controls-top {
    grid-template-columns: 1fr;
  }

  details.event-block.interactive-card {
    padding: var(--haa-archive-row-pad-y, 20px) 0 var(--space-3, 16px);
  }

  .paper-item.interactive-card {
    padding: 20px 0;
  }
}