/* Hub catalog + read-only viewer tweaks on top of ResearchOS styles.css */

.hub-page {
  min-height: 100vh;
  background: var(--bg);
}

.hub-page main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

/* Minimal topbar — no logo underline, no duplicate CTAs */
.hub-topbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.hub-topbar .topbar-row {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: 1.25rem;
}

.hub-topbar__tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hub-topbar__tools #auth-toolbar:empty {
  display: none;
}

.hub-topbar__tools #auth-toolbar {
  display: inline-flex;
  align-items: center;
}

.hub-login-btn {
  font-size: 0.88rem;
  padding: 0.35rem 0.85rem;
}

.hub-topbar .btn-theme:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--purple) 55%, transparent);
  outline-offset: 2px;
}

.hub-brand__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  text-decoration: none !important;
  color: inherit;
  border: none;
  box-shadow: none;
}

.hub-brand__link:hover,
.hub-brand__link:focus {
  text-decoration: none !important;
}

.hub-brand__name {
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: inherit;
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  filter: none;
}

.hub-brand__hub {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.hub-topbar__tools {
  gap: 0.45rem;
}

.hub-topbar__tools .btn {
  font-size: 0.88rem;
}

.hub-account {
  position: relative;
}

.hub-account__trigger {
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface-muted-btn);
  font: inherit;
  color: inherit;
  padding: 0.2rem 0.55rem 0.2rem 0.25rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hub-account__trigger:hover {
  border-color: color-mix(in srgb, var(--purple) 35%, var(--border));
}

.hub-account__trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--purple) 45%, var(--border));
  background: color-mix(in srgb, var(--purple) 8%, var(--surface-muted-btn));
}

.hub-account__chevron {
  font-size: 0.65rem;
  color: var(--muted);
  margin-left: 0.1rem;
}

.hub-account__menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  z-index: 40;
  min-width: 13.5rem;
  padding: 0.35rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-modal, var(--bg));
  box-shadow: 0 12px 40px color-mix(in srgb, #000 18%, transparent);
}

.hub-account__item {
  display: block;
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font: inherit;
  font-size: 0.88rem;
  text-align: left;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.hub-account__item:hover {
  background: color-mix(in srgb, var(--purple) 10%, transparent);
}

.hub-account__item--danger {
  color: color-mix(in srgb, #e85d5d 85%, var(--muted));
}

.hub-account__item--danger:hover {
  background: color-mix(in srgb, #e85d5d 12%, transparent);
}

/* Single panel: tabs + title + desc + CTA */
.hub-panel {
  margin-bottom: 1.35rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--glass) 92%, transparent);
  overflow: hidden;
}

.hub-panel__tabs {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  padding: 0 0.5rem;
  background: color-mix(in srgb, var(--surface-muted-btn) 35%, transparent);
}

.hub-panel__tab {
  appearance: none;
  border: none;
  border-top: 2px solid transparent;
  margin-top: -1px;
  padding: 0.65rem 1rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.hub-panel__tab:hover {
  color: inherit;
}

.hub-panel__tab.is-active {
  color: inherit;
  border-top-color: var(--purple);
  background: color-mix(in srgb, var(--glass) 92%, transparent);
}

.hub-panel__tab:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--purple) 55%, transparent);
  outline-offset: -2px;
}

.hub-panel__body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 1.15rem 1.25rem 1.25rem;
}

.hub-panel__copy {
  flex: 1 1 16rem;
  min-width: 0;
}

.hub-panel__title {
  margin: 0 0 0.4rem;
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hub-panel__desc {
  margin: 0;
  max-width: 36rem;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.45;
}

.hub-panel__cta {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.hub-enter-btn {
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 11px;
  white-space: nowrap;
}

.hub-enter-btn:hover {
  transform: translateY(-1px);
}

.hub-hero__kicker {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hub-hero h1 {
  margin: 0 0 0.75rem;
  font-family: "Syne", system-ui, sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  line-height: 1.1;
}

.hub-hero p {
  margin: 0;
  max-width: 52rem;
  color: var(--muted);
  line-height: 1.55;
}

.hub-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hub-segments {
  display: none;
}

.hub-tab-hint {
  display: none;
}

.hub-hero {
  margin: 0 0 1.75rem;
  padding: 1.5rem 0 0.5rem;
}

.hub-tabs .btn.is-active {
  border-color: color-mix(in srgb, var(--purple) 55%, var(--btn-border));
  background: color-mix(in srgb, var(--purple) 18%, transparent);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  align-items: start;
}

.hub-project-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--glass) 88%, transparent);
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.hub-project-card:hover {
  border-color: color-mix(in srgb, var(--purple) 40%, var(--border));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--purple) 7%, transparent);
}

.hub-project-card__main {
  display: block;
  padding: 0.85rem 0.95rem 0.55rem;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.hub-project-card--mine .hub-project-card__main:hover h3 {
  color: var(--link);
}

.hub-project-card__head {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.2rem;
}

.hub-project-card__title-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  min-width: 0;
}

.hub-project-card__head h3 {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  font-size: 1.02rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hub-project-card__badges {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.3rem;
}

.hub-project-card__meta {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
  word-break: break-word;
}

.hub-project-card__meta--muted {
  opacity: 0.88;
}

.hub-project-card__meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
  margin-top: 0.15rem;
}

.hub-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  max-width: 100%;
  min-width: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.2;
}

.hub-meta-chip__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 9.5rem;
}

@media (min-width: 720px) {
  .hub-meta-chip__text {
    max-width: 11rem;
  }
}

.hub-meta-chip--icon .hub-meta-chip__text {
  display: none;
}

.hub-ico {
  width: 0.95rem;
  height: 0.95rem;
  flex: 0 0 auto;
  display: block;
}

.hub-ico--heart {
  width: 1.05rem;
  height: 1.05rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  min-width: 2.15rem;
  padding: 0.4rem;
}

.btn-icon .hub-ico {
  width: 1.05rem;
  height: 1.05rem;
}

.hub-project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  padding: 0.2rem 0.45rem 0.35rem 0.45rem;
}

.hub-project-card__footer-start,
.hub-project-card__footer-end {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
  min-width: 0;
}

.hub-project-card__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.hub-project-card__icon-btn:hover {
  background: color-mix(in srgb, var(--surface-muted-btn) 90%, transparent);
  color: inherit;
}

.hub-project-card__icon-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--purple) 50%, transparent);
  outline-offset: 1px;
}

.hub-project-card__icon-btn .hub-ico {
  width: 1.05rem;
  height: 1.05rem;
}

.hub-project-card__like {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 0.3rem;
  min-width: 0;
  height: 2rem;
  padding: 0 0.45rem;
  border: none;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--muted);
  font: inherit;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.hub-project-card__like-mark {
  display: grid;
  place-items: center;
  line-height: 0;
}

.hub-project-card__like-count {
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.hub-project-card__like:hover {
  background: color-mix(in srgb, #e11d48 10%, transparent);
  color: color-mix(in srgb, #e11d48 85%, var(--muted));
}

.hub-project-card__like.is-liked {
  color: #e11d48;
}

.hub-project-card__like.is-liked:hover {
  background: color-mix(in srgb, #e11d48 14%, transparent);
}

.hub-project-card__like:focus-visible {
  outline: 2px solid color-mix(in srgb, #e11d48 50%, transparent);
  outline-offset: 1px;
}

.hub-project-card__like:disabled {
  opacity: 0.55;
  cursor: wait;
}

.hub-project-card__follow {
  color: color-mix(in srgb, #22c55e 85%, var(--muted));
}

.hub-project-card__follow:hover {
  background: color-mix(in srgb, #22c55e 14%, transparent);
  color: #22c55e;
}

.hub-project-card__follow:disabled {
  opacity: 0.55;
  cursor: wait;
}

.hub-enable-btn.is-on {
  color: color-mix(in srgb, var(--purple) 75%, var(--muted));
}

.hub-project-card__dup {
  margin: 0;
  padding: 0 0.95rem 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.hub-project-card--off {
  opacity: 0.78;
  border-style: dashed;
}

.hub-project-card--dup {
  border-color: color-mix(in srgb, var(--orange) 45%, var(--border));
}

.hub-project-card--add {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.25rem;
  min-height: 7.5rem;
  padding: 0.95rem;
  border-style: dashed;
  text-decoration: none;
  color: var(--muted);
  cursor: pointer;
}

.hub-project-card--add:hover {
  border-color: color-mix(in srgb, var(--purple) 50%, var(--border));
  color: inherit;
  background: color-mix(in srgb, var(--purple) 6%, transparent);
  transform: translateY(-1px);
}

.hub-project-card__add-icon {
  font-size: 2.25rem;
  font-weight: 300;
  line-height: 1;
  color: color-mix(in srgb, var(--purple) 75%, var(--muted));
}

.hub-project-card__add-label {
  font-size: 0.88rem;
  font-weight: 500;
}

.hub-panel__cta.hidden {
  display: none;
}

.hub-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--border);
  background: var(--surface-muted-btn);
  color: var(--muted);
  white-space: nowrap;
}

.hub-badge--icon {
  width: 1.65rem;
  height: 1.65rem;
  padding: 0;
  justify-content: center;
  border-radius: 999px;
}

.hub-badge--icon .hub-ico {
  width: 0.9rem;
  height: 0.9rem;
}

.hub-badge--public {
  border-color: color-mix(in srgb, #22c55e 35%, var(--border));
  color: color-mix(in srgb, #22c55e 85%, var(--muted));
}

.hub-badge--network {
  border-color: color-mix(in srgb, var(--purple) 40%, var(--border));
  color: color-mix(in srgb, var(--purple) 80%, var(--muted));
}

.hub-badge--unlisted {
  border-color: color-mix(in srgb, var(--orange) 40%, var(--border));
}

.hub-badge--link {
  border-color: color-mix(in srgb, var(--purple) 35%, var(--border));
  color: color-mix(in srgb, var(--purple) 80%, var(--muted));
}

.hub-subscriptions-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.85rem;
}

.hub-badge--off {
  border-style: dashed;
}

.hub-empty-state {
  padding: 1.5rem 1.1rem;
  border-radius: 14px;
  border: 1px dashed var(--border);
  background: color-mix(in srgb, var(--glass) 85%, transparent);
  text-align: center;
}

.hub-empty-state p {
  margin: 0 0 0.5rem;
}

.hub-empty-state__hint {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1rem !important;
}

.hub-connect-form {
  max-width: 36rem;
}

.hub-project-card__dup {
  padding: 0 1.05rem 0.65rem;
  margin: 0;
}

/* legacy aliases */
.hub-card {
  display: block;
  padding: 1rem 1.05rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--glass) 88%, transparent);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.hub-card:hover {
  border-color: color-mix(in srgb, var(--purple) 45%, var(--border));
  transform: translateY(-1px);
}

.hub-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
}

.hub-card .meta {
  font-size: 0.82rem;
  color: var(--muted);
}

.hub-empty {
  color: var(--muted);
  padding: 1rem 0;
}

.hub-toolbar-links {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.65rem;
  margin-right: 0;
}

.hub-toolbar-sep {
  width: 1px;
  height: 1rem;
  background: var(--border);
  flex: 0 0 auto;
}

.hub-nav-link {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  border: none;
  background: none;
  padding: 0.15rem 0;
  cursor: pointer;
  transition: color 0.18s ease;
  white-space: nowrap;
}

.hub-nav-link:hover,
.hub-nav-link:focus-visible {
  color: var(--fg, inherit);
  text-decoration: none;
  outline: none;
}

.hub-nav-link--accent {
  color: color-mix(in srgb, var(--purple) 70%, var(--fg, #111));
}

.hub-nav-link--accent:hover {
  color: var(--purple, #7c5cff);
}

.hub-nav-link--muted {
  opacity: 0.45;
  pointer-events: none;
}

.hub-viewer-account {
  display: inline-flex;
  align-items: center;
}

body.hub-readonly .toolbar {
  gap: 0.5rem;
}

body.hub-readonly .hub-account__trigger {
  font-size: 0.84rem;
  padding: 0.15rem 0.5rem 0.15rem 0.2rem;
  gap: 0.4rem;
  background: transparent;
  border-color: transparent;
  transition: background 0.18s ease, border-color 0.18s ease;
}

body.hub-readonly .hub-account__trigger:hover,
body.hub-readonly .hub-account__trigger[aria-expanded="true"] {
  background: var(--surface-muted-btn);
  border-color: var(--border);
}

body.hub-readonly .hub-account__trigger img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.55rem 0.2rem 0.25rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-muted-btn);
  font-size: 0.85rem;
}

.user-chip img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.hub-status {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.hub-status a {
  color: var(--link);
}

.hub-manage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.hub-manage-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--glass) 88%, transparent);
}

.hub-manage-row--off {
  opacity: 0.72;
  border-style: dashed;
}

.hub-manage-row--dup {
  border-color: color-mix(in srgb, var(--orange) 45%, var(--border));
}

.hub-dup-badge a {
  color: var(--link);
}

.hub-delete-btn {
  border-color: color-mix(in srgb, #e85d5d 45%, var(--border));
}

.hub-manage-row h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
}

.hub-manage-row h3 a {
  color: inherit;
  text-decoration: none;
}

.hub-manage-row h3 a:hover {
  color: var(--link);
}

.hub-manage-row__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.hub-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--muted);
}

.hub-toggle__input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--purple);
}

/* Read-only project viewer */
body.hub-readonly .add-slot-wrap--readonly {
  opacity: 0.42;
  cursor: not-allowed;
  filter: grayscale(0.85);
}

body.hub-readonly .add-slot-wrap--readonly .map-node.add-node {
  cursor: not-allowed;
  pointer-events: auto;
  background: color-mix(in srgb, var(--muted, #888) 18%, var(--add-node-bg, #fff));
  border-color: color-mix(in srgb, var(--muted, #888) 45%, transparent);
  box-shadow: none;
}

body.hub-readonly .add-slot-wrap--readonly .map-node.add-node:hover,
body.hub-readonly .add-slot-wrap--readonly .map-node.add-node:focus-visible {
  transform: none;
  box-shadow: none;
  border-color: color-mix(in srgb, var(--muted, #888) 45%, transparent);
}

body.hub-readonly .add-slot-wrap--readonly .add-plus,
body.hub-readonly .add-slot-wrap--readonly .add-node-dynamic-label {
  color: var(--muted, #888);
}

body.hub-readonly .add-slot-wrap--readonly .add-preview-ghosts {
  display: none;
}

body.hub-readonly .inline-edit-field,
body.hub-readonly #btn-delete-node,
body.hub-readonly #btn-add-method,
body.hub-readonly #btn-toggle-rq-edit,
body.hub-readonly #btn-save-rq,
body.hub-readonly .kanban-add-card,
body.hub-readonly .card-report-mode-write,
body.hub-readonly #card-report-save,
body.hub-readonly .projects-sidebar__footer {
  display: none !important;
}

body.hub-readonly .kanban-card[draggable="true"] {
  cursor: default;
}

body.hub-readonly a[href="tour.html"],
body.hub-readonly a[href="literature.html"] {
  pointer-events: none;
  opacity: 0.45;
}

body.hub-readonly #card-report-editor {
  display: none;
}

body.hub-readonly #card-report-preview {
  display: block !important;
}

body.hub-readonly .workspace-dock,
body.hub-readonly .agent-chat-trigger,
body.hub-readonly #agent-chat-panel,
body.hub-readonly #knowledge-modal,
body.hub-readonly #paper-modal,
body.hub-readonly .method-activity-inspect,
body.hub-readonly .col-add-btn,
body.hub-readonly .card-drag-handle,
body.hub-readonly .card-tag-add,
body.hub-readonly .card-copy-path,
body.hub-readonly .card-live-inspect,
body.hub-readonly #kanban-node-title-input,
body.hub-readonly #kanban-node-desc-input {
  display: none !important;
}

body.hub-readonly .method-activity {
  pointer-events: auto;
  cursor: help;
}

body.hub-readonly .kanban-card--running-active {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--cyan, #38bdf8) 45%, transparent);
}

body.hub-readonly .kanban-card .card-title-display,
body.hub-readonly .kanban-card .card-desc-display,
body.hub-readonly #kanban-node-title-display,
body.hub-readonly #kanban-node-desc-display {
  cursor: default;
}

body.hub-readonly .kanban-col-body .col-empty:not(.col-empty--filtered) {
  display: none;
}

@media (max-width: 720px) {
  .hub-panel__body {
    flex-direction: column;
    align-items: stretch;
  }

  .hub-panel__cta .hub-enter-btn {
    width: 100%;
    justify-content: center;
  }

  .hub-panel__tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* --- Nav: Projects / Skills --- */
.hub-topbar .topbar-start {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.hub-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.hub-nav__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
}

.hub-nav__link:hover {
  color: inherit;
  background: color-mix(in srgb, var(--border) 55%, transparent);
}

.hub-nav__link.is-active {
  color: inherit;
  font-weight: 600;
  background: color-mix(in srgb, var(--border) 70%, transparent);
}

/* --- Skills catalog --- */
.hub-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.hub-skill-card {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--bg) 92%, var(--border));
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.hub-skill-card:hover {
  border-color: color-mix(in srgb, var(--purple, #6b5ce7) 45%, var(--border));
  transform: translateY(-1px);
}

.hub-skill-card__title {
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.hub-skill-card__summary {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.45;
}

.hub-skill-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.hub-empty {
  color: var(--muted);
  line-height: 1.5;
}

.hub-empty code {
  font-size: 0.85em;
}

/* --- Skill detail --- */
.hub-skill-back {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.hub-skill-back a {
  color: var(--muted);
  text-decoration: none;
}

.hub-skill-back a:hover {
  color: inherit;
}

.hub-skill-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.hub-skill-header__id {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hub-skill-header__title {
  font-family: "Syne", system-ui, sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.hub-skill-header__summary {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.45;
  max-width: 42rem;
}

.hub-skill-header__meta {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.hub-skill-header__meta a {
  color: inherit;
}

.hub-skill-body {
  max-width: 42rem;
  line-height: 1.6;
}

.hub-skill-body h1,
.hub-skill-body h2,
.hub-skill-body h3 {
  font-family: "Syne", system-ui, sans-serif;
  letter-spacing: -0.02em;
  margin-top: 1.5rem;
}

.hub-skill-body pre,
.hub-skill-body code {
  font-size: 0.88em;
}

.hub-skill-body pre {
  overflow-x: auto;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, var(--border));
}

.hub-skill-body table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.hub-skill-body th,
.hub-skill-body td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.55rem;
  text-align: left;
}

.hub-skill-files {
  margin: 0 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 90%, var(--border));
  max-width: 42rem;
}

.hub-skill-files__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.hub-skill-files__head h2 {
  margin: 0;
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hub-skill-download {
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.4rem 0.9rem;
}

.hub-skill-files__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.hub-skill-files__list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.9rem;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
}

.hub-skill-files__list li:nth-child(odd) {
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}

.hub-skill-files__list code {
  font-size: 0.86em;
  word-break: break-all;
}

.hub-skill-files__list span {
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.8rem;
}

.hub-skill-files__empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}