/*
 * Flint Application Styles
 *
 * Pico CSS provides the design system. These overrides handle
 * app-specific layout and component tweaks.
 */

/* ── Design tokens ─────────────────────────────────────── */

:root {
  /* Type scale */
  --flint-text-xs: 0.75rem;
  --flint-text-sm: 0.8125rem;
  --flint-text-base: 1rem;
  --flint-text-lg: 1.125rem;
  --flint-text-xl: 1.375rem;
  --flint-text-2xl: 1.75rem;
  --flint-text-3xl: 2.25rem;

  /* Weights */
  --flint-weight-normal: 400;
  --flint-weight-medium: 500;
  --flint-weight-semibold: 600;
  --flint-weight-bold: 700;

  /* Palette — one accent, grays for everything else */
  --flint-accent: #1a56db;
  --flint-accent-subtle: color-mix(in srgb, var(--flint-accent) 10%, transparent);
  --flint-text-primary: var(--pico-color);
  --flint-text-secondary: var(--pico-muted-color);
  --flint-text-tertiary: color-mix(in srgb, var(--pico-muted-color) 65%, transparent);

  /* Override Pico primary */
  --pico-primary: var(--flint-accent);
  --pico-primary-hover: color-mix(in srgb, var(--flint-accent) 85%, black);
  --pico-line-height: 1.6;
}

/* ── Skip link ─────────────────────────────────────────── */

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link:focus {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 9999;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  background: var(--pico-background-color);
  color: var(--flint-accent);
  font-weight: var(--flint-weight-semibold);
  font-size: var(--flint-text-sm);
  border-radius: var(--pico-border-radius);
  outline: 2px solid var(--flint-accent);
  outline-offset: 2px;
}

/* ── Layout ─────────────────────────────────────────────── */

body > nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--pico-background-color);
  border-bottom: var(--pico-border-width) solid var(--pico-muted-border-color);
}

/* Sidebar admin layout */
.admin-layout {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: var(--pico-spacing);
  align-items: start;
}

.admin-layout > aside nav {
  position: sticky;
  top: 5rem;
}

@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

/* ── Workspace layout ──────────────────────────────────── */

.workspace-layout {
  display: grid;
  grid-template-columns: 15rem 1fr;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

.workspace-layout > aside {
  grid-row: 1 / -1;
  grid-column: 1;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  font-size: var(--flint-text-sm);
  border-right: 1px solid color-mix(in srgb, var(--pico-muted-border-color) 50%, transparent);
}

.workspace-topbar {
  grid-column: 2;
  grid-row: 1;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--pico-background-color);
}

.workspace-topbar nav {
  padding-block: 0.5rem;
  padding-inline: 1rem;
  margin: 0;
}

.workspace-topbar nav ul {
  margin: 0;
}

.workspace-topbar a,
.workspace-topbar small {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
}

.workspace-topbar a:hover {
  color: var(--flint-text-primary);
}

.workspace-layout > main {
  grid-column: 2;
  grid-row: 2;
  max-width: 48rem;
  padding: 2rem 3rem;
}

/* ── Sidebar chrome ────────────────────────────────────── */

.workspace-layout > aside > header {
  padding-block-end: 1rem;
  margin-block-end: 0.5rem;
}

.workspace-layout > aside > header hgroup {
  margin-block-end: 0;
}

.workspace-layout > aside > header hgroup h2 {
  font-size: var(--flint-text-base);
  font-weight: var(--flint-weight-semibold);
  margin-block-end: 0;
  line-height: 1.3;
}

.workspace-layout > aside > header hgroup h2 a {
  text-decoration: none;
  color: var(--flint-text-primary);
  letter-spacing: -0.01em;
}

.workspace-layout > aside > header hgroup h2 a:hover {
  color: var(--flint-accent);
}

.workspace-layout > aside > header hgroup p {
  font-size: var(--flint-text-xs);
  color: var(--flint-text-tertiary);
  margin-block: 0.25rem 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Sidebar search */
.sidebar-search {
  margin-block-end: 0.75rem;
}

.sidebar-search input[type="search"] {
  margin: 0;
  padding-block: 0.3rem;
  padding-inline: 0.5rem;
  font-size: var(--flint-text-sm);
  height: 2rem;
  border-color: transparent;
  background: color-mix(in srgb, var(--pico-muted-color) 8%, transparent);
}

.sidebar-search input[type="search"]:focus {
  border-color: var(--flint-accent);
  background: var(--pico-background-color);
}

.workspace-layout > aside > nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.workspace-layout > aside > footer {
  padding-block-start: 1rem;
  margin-block-start: 0.5rem;
}

.workspace-layout > aside > footer a {
  display: block;
  padding: 0.3rem 0.5rem;
  min-height: 2rem;
  border-radius: var(--pico-border-radius);
  text-decoration: none;
  color: var(--flint-text-secondary);
  font-size: var(--flint-text-sm);
  line-height: 2rem;
}

.workspace-layout > aside > footer a:hover {
  color: var(--flint-text-primary);
}

.workspace-layout > aside > footer .sidebar-new-page {
  color: var(--flint-accent);
  font-weight: var(--flint-weight-medium);
}

.workspace-layout > aside > footer .sidebar-all-spaces {
  font-size: var(--flint-text-xs);
  color: var(--flint-text-tertiary);
}

.workspace-layout > aside > footer .sidebar-all-spaces:hover {
  color: var(--flint-text-secondary);
}

/* ── Sidebar page tree ─────────────────────────────────── */

.workspace-layout aside nav ul {
  list-style: none;
  padding-inline-start: 0;
  margin: 0;
}

.workspace-layout aside nav ul ul {
  padding-inline-start: 1rem;
}

.workspace-layout aside nav li {
  margin-block: 0;
}

.workspace-layout aside nav a {
  display: inline-block;
  padding: 0.3rem 0.5rem;
  min-height: 2rem;
  border-radius: var(--pico-border-radius);
  text-decoration: none;
  color: var(--flint-text-primary);
  font-size: var(--flint-text-sm);
  line-height: 1.6;
}

@media (prefers-reduced-motion: no-preference) {
  .workspace-layout aside nav a {
    transition: color 100ms ease;
  }
}

.workspace-layout aside nav a:hover {
  color: var(--flint-accent);
}

.workspace-layout aside nav a[aria-current="page"] {
  color: var(--flint-accent);
  font-weight: var(--flint-weight-semibold);
}

.workspace-layout aside nav a:focus-visible {
  outline: 2px solid var(--flint-accent);
  outline-offset: 2px;
}

/* Tree disclosure toggle */
.workspace-layout aside nav details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0;
}

.workspace-layout aside nav details > summary::marker,
.workspace-layout aside nav details > summary::-webkit-details-marker {
  display: none;
}

.tree-disclosure {
  display: inline-block;
  width: 0.9rem;
  text-align: center;
  font-size: 0.6rem;
  color: var(--flint-text-secondary);
  flex-shrink: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .tree-disclosure {
    transition: transform 150ms ease;
  }
}

.workspace-layout aside nav details[open] > summary .tree-disclosure {
  transform: rotate(90deg);
}

/* ── Mobile responsive ─────────────────────────────────── */

.mobile-bottom-bar {
  display: none;
}

.mobile-sidebar-overlay {
  display: none;
}

@media (max-width: 768px) {
  .workspace-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    padding-block-end: 3.5rem;
  }

  .workspace-layout > aside {
    display: none;
  }

  .workspace-topbar {
    grid-column: 1;
  }

  .workspace-layout > main {
    grid-column: 1;
    padding: 1rem;
  }

  /* Mobile bottom bar */
  .mobile-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3rem;
    z-index: 200;
    background: var(--pico-background-color);
    border-top: 1px solid var(--pico-muted-border-color);
    align-items: center;
    justify-content: space-around;
    padding-inline: 1rem;
  }

  .mobile-bottom-bar button,
  .mobile-bottom-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    background: none;
    border: none;
    color: var(--flint-text-secondary);
    font-size: var(--flint-text-sm);
    font-weight: var(--flint-weight-medium);
    text-decoration: none;
    cursor: pointer;
    padding: 0;
    margin: 0;
  }

  .mobile-bottom-bar button:hover,
  .mobile-bottom-bar a:hover {
    color: var(--flint-accent);
  }

  .mobile-bottom-bar button:focus-visible,
  .mobile-bottom-bar a:focus-visible {
    outline: 2px solid var(--flint-accent);
    outline-offset: 2px;
  }

  /* Mobile sidebar overlay */
  .mobile-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
  }

  .mobile-sidebar-overlay[open] {
    display: flex;
  }

  .mobile-sidebar-overlay::backdrop {
    background: rgba(0, 0, 0, 0.3);
  }

  .mobile-sidebar-overlay .sidebar-panel {
    width: 18rem;
    max-width: 85vw;
    height: 100%;
    background: var(--pico-background-color);
    overflow-y: auto;
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    font-size: var(--flint-text-sm);
    border: none;
    margin: 0;
  }

  .mobile-sidebar-overlay .sidebar-panel header,
  .mobile-sidebar-overlay .sidebar-panel nav,
  .mobile-sidebar-overlay .sidebar-panel footer {
    width: 100%;
  }
}

/* ── Page content ──────────────────────────────────────── */

.breadcrumb-nav {
  margin-block-end: 0.5rem;
}

.breadcrumb-nav ol {
  font-size: var(--flint-text-sm);
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.breadcrumb-nav li {
  display: inline;
}

.breadcrumb-nav li + li::before {
  content: " / ";
  color: var(--flint-text-tertiary);
  margin-inline: 0.35rem;
}

.breadcrumb-nav a {
  color: var(--flint-text-secondary);
}

.breadcrumb-nav a:hover {
  color: var(--flint-text-primary);
}

.page-title {
  margin-block-start: 0;
  margin-block-end: 0.25rem;
  font-size: var(--flint-text-3xl);
  font-weight: var(--flint-weight-bold);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.page-meta {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block-end: 2rem;
}

.page-footer {
  margin-block-start: 3rem;
  padding-block-start: 2rem;
}

.page-footer nav {
  display: flex;
  gap: 2rem;
}

.page-footer a {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
}

.page-footer a:hover {
  color: var(--flint-accent);
}

.page-related {
  margin-block-start: 3rem;
}

.page-related h2 {
  font-size: var(--flint-text-sm);
  font-weight: var(--flint-weight-semibold);
  color: var(--flint-text-secondary);
  margin-block-end: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-related ul {
  padding-inline-start: 0;
  list-style: none;
}

.page-related li {
  padding-block: 0.25rem;
}

.page-related a {
  font-size: 0.9rem;
}

/* Workspace heading letter-spacing */
.workspace-layout h1,
.workspace-layout h2,
.workspace-layout h3 {
  letter-spacing: -0.015em;
}

/* ── Space dashboard ───────────────────────────────────── */

.space-actions {
  display: flex;
  gap: 1.5rem;
  margin-block-end: 2rem;
}

.space-actions a {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-tertiary);
}

.space-actions a:hover {
  color: var(--flint-text-secondary);
}

/* Quick-create form */
.quick-create fieldset[role="group"] {
  margin-block-end: 0;
}

.quick-create fieldset[role="group"] input[type="text"] {
  flex: 1;
  border-color: transparent;
  background: color-mix(in srgb, var(--pico-muted-color) 8%, transparent);
  font-size: var(--flint-text-lg);
}

.quick-create fieldset[role="group"] input[type="text"]::placeholder {
  color: var(--flint-text-tertiary);
}

.quick-create fieldset[role="group"] input[type="text"]:focus {
  border-color: var(--flint-accent);
  background: var(--pico-background-color);
}

.quick-create fieldset[role="group"] input[type="submit"] {
  width: auto;
  background: var(--flint-accent);
  border-color: var(--flint-accent);
  color: white;
}

.quick-create fieldset[role="group"] input[type="submit"]:hover {
  background: var(--pico-primary-hover);
  border-color: var(--pico-primary-hover);
}

.page-list {
  list-style: none;
  padding-inline-start: 0;
}

.page-list li {
  padding-block: 0.65rem;
}

.page-list li + li {
  border-top: none;
}

.page-list a {
  font-size: var(--flint-text-base);
  font-weight: var(--flint-weight-medium);
  text-decoration: none;
}

.page-list .page-list-snippet {
  display: block;
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block-start: 0.15rem;
  font-weight: var(--flint-weight-normal);
}

.page-list small {
  color: var(--flint-text-tertiary);
  white-space: nowrap;
  font-size: var(--flint-text-xs);
}

/* ── Spaces lobby ──────────────────────────────────────── */

.spaces-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 1.5rem;
}

.spaces-header h1 {
  margin-block-end: 0;
}

.spaces-new-btn {
  font-size: var(--flint-text-sm);
  font-weight: var(--flint-weight-medium);
  color: var(--flint-accent);
  text-decoration: none;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--flint-accent);
  border-radius: var(--pico-border-radius);
  white-space: nowrap;
}

.spaces-new-btn:hover {
  background: var(--flint-accent);
  color: white;
}

.spaces-section {
  margin-block-end: 2.5rem;
}

.spaces-section-label {
  font-size: var(--flint-text-xs);
  font-weight: var(--flint-weight-semibold);
  color: var(--flint-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-block-end: 0.75rem;
}

/* Pin button */
.pin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  font-size: var(--flint-text-base);
  color: var(--flint-text-tertiary);
  cursor: pointer;
  line-height: 1;
}

.pin-btn:hover {
  color: var(--flint-accent);
}

.pin-btn--active {
  color: var(--flint-accent);
}

/* Pinned cards grid */
.spaces-pinned-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1rem;
}

.space-card {
  padding: 1.25rem;
  border: 1px solid color-mix(in srgb, var(--pico-muted-border-color) 50%, transparent);
  border-radius: var(--pico-border-radius);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.space-card:hover {
  border-color: var(--pico-muted-border-color);
}

.space-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.space-card-header h3 {
  font-size: var(--flint-text-lg);
  font-weight: var(--flint-weight-semibold);
  margin-block-end: 0;
  letter-spacing: -0.01em;
}

.space-card-header h3 a {
  text-decoration: none;
  color: var(--flint-text-primary);
}

.space-card-header h3 a:hover {
  color: var(--flint-accent);
}

.space-card-desc {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.space-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--flint-text-xs);
  color: var(--flint-text-tertiary);
  margin-block-start: auto;
}

/* Unpinned spaces list */
.spaces-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.space-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--pico-muted-border-color) 30%, transparent);
}

.space-row:first-child {
  border-top: 1px solid color-mix(in srgb, var(--pico-muted-border-color) 30%, transparent);
}

.space-row-pin {
  flex-shrink: 0;
}

.space-row-body {
  flex: 1;
  min-width: 0;
}

.space-row-body h3 {
  font-size: var(--flint-text-base);
  font-weight: var(--flint-weight-medium);
  margin-block-end: 0;
}

.space-row-body h3 a {
  text-decoration: none;
  color: var(--flint-text-primary);
}

.space-row-body h3 a:hover {
  color: var(--flint-accent);
}

.space-row-body p {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block: 0.15rem 0;
}

.space-row-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  font-size: var(--flint-text-xs);
  color: var(--flint-text-tertiary);
  white-space: nowrap;
}

.spaces-empty {
  color: var(--flint-text-secondary);
  font-size: var(--flint-text-base);
  padding-block: 2rem;
}

.spaces-search-form {
  margin-block-end: 1rem;
}

.spaces-filter-input {
  margin: 0;
  padding-block: 0.4rem;
  font-size: var(--flint-text-sm);
  height: auto;
  border-color: transparent;
  background: color-mix(in srgb, var(--pico-muted-color) 8%, transparent);
}

.spaces-filter-input:focus {
  border-color: var(--flint-accent);
  background: var(--pico-background-color);
}

/* Lobby content — same grid position as workspace main */
#lobby-content {
  grid-column: 2;
  grid-row: 2;
  max-width: 48rem;
  padding: 2rem 3rem;
}

@media (max-width: 768px) {
  #lobby-content {
    grid-column: 1;
    padding: 1rem;
  }
}

/* ── User menu ─────────────────────────────────────────── */

.user-menu-toggle {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  line-height: 1;
}

.user-menu-toggle::after {
  display: none;
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--flint-accent);
  color: white;
  font-size: var(--flint-text-sm);
  font-weight: var(--flint-weight-semibold);
  line-height: 1;
  user-select: none;
}

.user-menu-toggle:hover .user-avatar {
  background: var(--pico-primary-hover);
}

.user-menu-name {
  font-size: var(--flint-text-sm);
  padding-inline: 0.75rem;
  padding-block: 0.35rem;
  color: var(--flint-text-secondary);
  border-bottom: 1px solid var(--pico-muted-border-color);
}

/* Compact popover for user dropdown */
details.dropdown:has(.user-menu-name) > ul {
  min-width: auto;
  width: max-content;
  padding: 0.25rem 0;
  margin-top: 0.25rem;
  border-radius: 0.375rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
}

details.dropdown:has(.user-menu-name) > ul li {
  padding: 0;
  margin: 0;
}

details.dropdown:has(.user-menu-name) .user-menu-name {
  padding: 0.4rem 0.75rem 0.35rem;
  white-space: nowrap;
}

details.dropdown:has(.user-menu-name) > ul li:last-child {
  padding: 0.2rem 0.75rem 0.3rem;
}

/* Style the sign-out button_to form/button as a plain link */
details.dropdown:has(.user-menu-name) > ul button[type="submit"] {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  cursor: pointer;
  width: 100%;
  text-align: start;
  white-space: nowrap;
}

details.dropdown:has(.user-menu-name) > ul button[type="submit"]:hover {
  color: var(--flint-text-primary);
}

/* ── Search results ────────────────────────────────────── */

.search-result-count {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block-end: 1.5rem;
}

.search-result {
  padding-block: 1rem;
}

.search-result + .search-result {
  border-top: none;
}

.search-result a {
  font-size: var(--flint-text-lg);
  font-weight: var(--flint-weight-semibold);
  text-decoration: none;
}

.search-result p {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block: 0.25rem 0;
}

.search-result small {
  font-size: var(--flint-text-xs);
  color: var(--flint-text-tertiary);
}

/* ── Version timeline ──────────────────────────────────── */

.version-timeline {
  list-style: none;
  padding-inline-start: 0;
  margin: 0;
}

.version-timeline li {
  padding: 1rem 0 1rem 1.25rem;
  border-left: 2px solid var(--flint-accent-subtle);
  position: relative;
}

.version-timeline li + li {
  margin-block-start: 0;
}

.version-timeline .version-label {
  font-weight: var(--flint-weight-semibold);
  font-size: var(--flint-text-base);
}

.version-timeline .version-meta {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
  margin-block: 0.25rem;
}

.version-timeline .version-actions {
  margin-block-start: 0.5rem;
}

.version-timeline .version-actions a {
  font-size: var(--flint-text-sm);
  color: var(--flint-accent);
}

/* ── Diff styling ──────────────────────────────────────── */

ins {
  background: color-mix(in srgb, green 12%, transparent);
  text-decoration: none;
}

del {
  background: color-mix(in srgb, red 12%, transparent);
  text-decoration: none;
}

/* ── Member list ───────────────────────────────────────── */

.member-list {
  list-style: none;
  padding-inline-start: 0;
  margin: 0;
}

.member-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
  flex-wrap: wrap;
}

.member-list .member-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
  min-width: 0;
}

.member-list .member-name {
  font-weight: var(--flint-weight-medium);
}

.member-list .member-email {
  font-size: var(--flint-text-sm);
  color: var(--flint-text-secondary);
}

.member-list .member-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.member-list .member-actions select {
  margin: 0;
  padding-block: 0.25rem;
  font-size: var(--flint-text-sm);
  height: auto;
  width: auto;
}

.member-list .member-actions button {
  font-size: var(--flint-text-sm);
  padding: 0.25rem 0.5rem;
  margin: 0;
}

/* ── Flash messages ─────────────────────────────────────── */

[role="alert"] {
  padding: var(--pico-spacing);
  border-radius: var(--pico-border-radius);
  margin-block-end: var(--pico-spacing);
}

[role="alert"].notice {
  background: color-mix(in srgb, var(--flint-accent) 10%, transparent);
  border: var(--pico-border-width) solid var(--flint-accent);
  color: var(--flint-accent);
}

[role="alert"].error {
  background: color-mix(in srgb, var(--pico-del-color) 10%, transparent);
  border: var(--pico-border-width) solid var(--pico-del-color);
  color: var(--pico-del-color);
}

[role="alert"] ul {
  margin-block-end: 0;
}

/* ── Status badges ──────────────────────────────────────── */

mark[data-status="active"],
mark[data-status="closed"],
mark[data-status="completed"] {
  background: color-mix(in srgb, green 15%, transparent);
  color: green;
}

mark[data-status="inactive"],
mark[data-status="paused"],
mark[data-status="error"] {
  background: color-mix(in srgb, var(--pico-del-color) 15%, transparent);
  color: var(--pico-del-color);
}

mark[data-status="pending"],
mark[data-status="open"],
mark[data-status="half_open"],
mark[data-status="processing"] {
  background: color-mix(in srgb, orange 15%, transparent);
  color: orange;
}

mark[data-status] {
  padding: 0.15em 0.5em;
  border-radius: var(--pico-border-radius);
  font-size: 0.85em;
  font-weight: var(--flint-weight-medium);
}

/* ── Collaborative editor ───────────────────────────────── */

.collab-editor {
  border: var(--pico-border-width) solid var(--pico-form-element-border-color);
  border-radius: var(--pico-border-radius);
  background: var(--pico-background-color);
}

.collab-editor:focus-within {
  border-color: var(--flint-accent);
}

/* Seamless editor: no border, content flows directly from title */
.collab-editor--seamless {
  border: none;
  border-radius: 0;
}

.collab-editor--seamless:focus-within {
  border-color: transparent;
}

.collab-editor [role="toolbar"] {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.35rem 0;
  margin-block-end: 0.25rem;
  max-height: 3rem;
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  .collab-editor [role="toolbar"] {
    transition: opacity 150ms ease, max-height 200ms ease;
  }
}

.collab-editor [role="toolbar"][hidden] {
  display: flex;
  opacity: 0;
  max-height: 0;
  padding-block: 0;
  border-bottom: none;
  pointer-events: none;
}

.collab-editor [role="toolbar"] button {
  width: auto;
  margin: 0;
  padding: 0.2rem 0.4rem;
  font-size: 0.8rem;
  background: transparent;
  border: none;
  color: var(--flint-text-secondary);
  cursor: pointer;
  border-radius: var(--pico-border-radius);
}

.collab-editor [role="toolbar"] button:hover {
  background: var(--pico-secondary-hover-background);
  color: var(--flint-text-primary);
}

.collab-editor [role="toolbar"] button:focus-visible {
  outline: 2px solid var(--flint-accent);
  outline-offset: 2px;
}

.collab-editor [role="toolbar"] [role="separator"] {
  width: 1px;
  height: 1rem;
  background: var(--pico-muted-border-color);
  margin-inline: 0.15rem;
}

.collab-editor [role="toolbar"] output {
  font-size: var(--flint-text-xs);
  color: var(--flint-text-secondary);
}

.collab-editor [contenteditable],
.collab-editor [role="document"] {
  min-height: 28rem;
  padding: 0.75rem 0;
  outline: none;
  line-height: 1.75;
  font-size: 1.05rem;
}

/* Lexical theme classes */
.collab-paragraph { margin-block: 0.5em; }
.collab-bold { font-weight: 700; }
.collab-italic { font-style: italic; }
.collab-underline { text-decoration: underline; }
.collab-strikethrough { text-decoration: line-through; }
.collab-code { font-family: var(--pico-font-family-monospace); background: var(--pico-code-background-color); padding: 0.1em 0.3em; border-radius: var(--pico-border-radius); }
.collab-h1 { font-size: 2rem; font-weight: 700; margin-block: 0.67em; }
.collab-h2 { font-size: 1.5rem; font-weight: 700; margin-block: 0.83em; }
.collab-h3 { font-size: 1.17rem; font-weight: 700; margin-block: 1em; }
.collab-ul { list-style: disc; padding-inline-start: 2em; }
.collab-ol { list-style: decimal; padding-inline-start: 2em; }
.collab-li { margin-block: 0.25em; }
.collab-link { color: var(--flint-accent); text-decoration: underline; cursor: pointer; }
.collab-li-checked { text-decoration: line-through; opacity: 0.7; list-style: none; }
.collab-li-checked::before { content: "\2611\00a0"; }
.collab-li-unchecked { list-style: none; }
.collab-li-unchecked::before { content: "\2610\00a0"; }
.collab-li-nested { list-style: none; }
.collab-code-block {
  display: block;
  font-family: var(--pico-font-family-monospace);
  font-size: 0.9em;
  background: var(--pico-code-background-color);
  padding: 1em 1.5em;
  border-radius: var(--pico-border-radius);
  margin-block: 0.75em;
  overflow-x: auto;
  white-space: pre-wrap;
  tab-size: 2;
}
.collab-token-comment { color: #6a9955; }
.collab-token-keyword { color: #569cd6; }
.collab-token-string { color: #ce9178; }
.collab-token-number { color: #b5cea8; }
.collab-token-function { color: #dcdcaa; }
.collab-token-operator { color: #d4d4d4; }
.collab-token-punctuation { color: #d4d4d4; }
.collab-token-property { color: #9cdcfe; }
.collab-token-variable { color: #9cdcfe; }
.collab-token-class-name { color: #4ec9b0; }
.collab-token-tag { color: #569cd6; }
.collab-token-attr { color: #9cdcfe; }
.collab-token-regex { color: #d16969; }
.collab-token-boolean { color: #569cd6; }
.collab-token-selector { color: #d7ba7d; }
.collab-token-important { color: #569cd6; font-weight: bold; }
.collab-table { border-collapse: collapse; width: 100%; margin-block: 0.75em; }
.collab-table-row { }
.collab-table-cell { border: 1px solid var(--pico-muted-border-color); padding: 0.5em 0.75em; min-width: 4em; }
.collab-table-cell-header { background: var(--pico-card-background-color); font-weight: 600; }
.collab-placeholder { color: var(--flint-text-secondary); position: absolute; pointer-events: none; }

/* ── Presence indicators ────────────────────────────────── */

.collab-presence-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: var(--flint-weight-semibold);
  color: white;
}

/* ── Utility ────────────────────────────────────────────── */

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ── Focus states (global) ─────────────────────────────── */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[contenteditable]:focus-visible {
  outline: 2px solid var(--flint-accent);
  outline-offset: 2px;
}

/* ── Turbo frame transitions ───────────────────────────── */

@media (prefers-reduced-motion: no-preference) {
  turbo-frame {
    animation: fade-in 150ms ease;
  }

  @keyframes fade-in {
    from { opacity: 0.8; }
    to { opacity: 1; }
  }
}

/* ── Print styles ──────────────────────────────────────── */

@media print {
  .workspace-layout > aside,
  .workspace-topbar,
  .mobile-bottom-bar,
  .mobile-sidebar-overlay,
  .page-footer nav,
  .space-actions,
  .collab-editor [role="toolbar"],
  .sidebar-search,
  .skip-link {
    display: none !important;
  }

  .workspace-layout {
    display: block;
  }

  .workspace-layout > main {
    max-width: none;
    padding: 0;
  }
}