rowboat/apps/x/apps/renderer/src/App.css

@import "tailwindcss";
@import "tw-animate-css";

/* Required for Streamdown markdown rendering (bullet points, lists, etc.) */
@source "../node_modules/streamdown/dist/*.js";

@custom-variant dark (&:is(.dark *));

#root {
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
}

.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
  filter: drop-shadow(0 0 2em #61dafbaa);
}

@keyframes logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Radix Collapsible expand/collapse — animate height (via the radix CSS var)
   plus a subtle fade. Used by the web search card. */
@keyframes collapsible-down {
  from {
    height: 0;
    opacity: 0;
  }
  to {
    height: var(--radix-collapsible-content-height);
    opacity: 1;
  }
}

@keyframes collapsible-up {
  from {
    height: var(--radix-collapsible-content-height);
    opacity: 1;
  }
  to {
    height: 0;
    opacity: 0;
  }
}

@media (prefers-reduced-motion: no-preference) {
  a:nth-of-type(2) .logo {
    animation: logo-spin infinite 20s linear;
  }
}

.card {
  padding: 2em;
}

.read-the-docs {
  color: #888;
}

/* Onboarding dot grid background */
.onboarding-dot-grid {
  background-image: radial-gradient(circle, oklch(0.5 0 0 / 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}
.dark .onboarding-dot-grid {
  background-image: radial-gradient(circle, oklch(0.7 0 0 / 0.06) 1px, transparent 1px);
}

/* Inbox surface — mapped onto the app's design tokens so it follows the same
   palette, accent, and theme switching as the rest of Rowboat. Light/dark is
   handled by the app tokens (:root / .dark), so no separate .light override. */
.gmail-shell {
  --gm-bg: var(--background);
  --gm-bg-card: var(--card-surface);
  --gm-bg-input: var(--muted);
  --gm-bg-row-hover: var(--accent);
  --gm-bg-row-selected: var(--rowboat-wash);
  --gm-bg-row-selected-hover: color-mix(in oklab, var(--primary) 18%, var(--background));
  --gm-bg-iframe: #ffffff;
  --gm-bg-pill: var(--background);
  --gm-bg-pill-hover: var(--accent);
  --gm-text: var(--foreground);
  --gm-text-strong: var(--foreground);
  --gm-text-muted: var(--muted-foreground);
  --gm-text-faint: color-mix(in oklab, var(--muted-foreground) 70%, var(--background));
  --gm-text-body: color-mix(in oklab, var(--foreground) 88%, var(--background));
  --gm-border: var(--border);
  --gm-border-strong: var(--rowboat-hairline);
  --gm-accent: var(--primary);
  --gm-accent-hover: color-mix(in oklab, var(--primary) 90%, transparent);
  --gm-accent-glow: color-mix(in oklab, var(--primary) 40%, transparent);
  --gm-accent-fg: var(--primary-foreground);
  --gm-icon-hover-bg: var(--accent);
  --gm-placeholder: var(--muted-foreground);

  display: flex;
  height: 100%;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  background: var(--background);
  color: var(--foreground);
}

.gmail-main {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: 0;
}

.gmail-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 52px;
  padding: 0 20px;
  border-bottom: 1px solid var(--gm-border);
}

.gmail-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.gmail-search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(520px, 100%);
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  background: var(--gm-bg-input);
  color: var(--gm-text-muted);
}

.gmail-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--gm-text);
  font-size: 13px;
  letter-spacing: 0.01em;
}

.gmail-search input::placeholder {
  color: var(--gm-placeholder);
}

.gmail-search-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--gm-text-muted);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.gmail-search-clear:hover {
  background: var(--gm-icon-hover-bg);
  color: var(--gm-text);
}

.gmail-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--gm-text-muted);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.gmail-icon-button:hover {
  background: var(--gm-icon-hover-bg);
  color: var(--gm-text);
}

.gmail-list {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  flex: 1;
  overflow: auto;
  background: var(--gm-bg);
  border: none;
  border-radius: 0;
}

.gmail-row-group {
  display: flex;
  flex-direction: column;
}

/* Native list virtualization: offscreen rows skip layout and paint entirely.
   Applied only to rows without a mounted ThreadDetail (those hold iframes and
   composers, which must keep rendering while offscreen). */
.gmail-row-group-cv {
  content-visibility: auto;
  contain-intrinsic-size: auto 40px;
}

/* While the list is scrolling, rows ignore the pointer so hover restyles and
   prefetch timers don't compete with frame rendering. */
.gmail-shell[data-scrolling] .gmail-row-shell {
  pointer-events: none;
}

/* Archived/trashed rows slide out and collapse before removal. Removing the
   class (failed action) snaps the row back. */
.gmail-row-group-leaving {
  overflow: hidden;
  pointer-events: none;
  animation: gmail-row-leave 160ms ease-in forwards;
}

@keyframes gmail-row-leave {
  0% {
    opacity: 1;
    transform: translateX(0);
    max-height: 48px;
  }
  60% {
    opacity: 0;
    transform: translateX(32px);
    max-height: 48px;
  }
  100% {
    opacity: 0;
    transform: translateX(32px);
    max-height: 0;
  }
}

.gmail-list-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  height: 32px;
  padding: 0 24px;
  align-items: center;
  background: var(--gm-bg);
  border-bottom: 1px solid var(--gm-border);
  color: var(--gm-text-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.gmail-section {
  display: flex;
  flex-direction: column;
}

.gmail-section + .gmail-section {
  margin-top: 28px;
}

.gmail-section-sentinel {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  color: var(--gm-text-faint);
}

.gmail-row-shell {
  position: relative;
}

.gmail-row {
  display: grid;
  grid-template-columns: 12px minmax(140px, 0.22fr) minmax(0, 1fr) 60px;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 40px;
  padding: 0 24px;
  border: none;
  background: transparent;
  color: var(--gm-text-muted);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: background 120ms ease;
}

.gmail-row-actions {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
  /* The overlay may extend over the subject text; a backdrop matching the
     row's current background (see --gm-row-actions-bg below) plus a soft left
     fade keeps it readable instead of colliding. */
  padding-left: 18px;
  background: linear-gradient(to right, transparent, var(--gm-row-actions-bg, var(--gm-bg-row-hover)) 18px);
}

.gmail-row-shell:hover .gmail-row-actions {
  opacity: 1;
  pointer-events: auto;
}

/* Backdrop color tracks the row state underneath the overlay. */
.gmail-row-shell:hover {
  --gm-row-actions-bg: var(--gm-bg-row-hover);
}

.gmail-row-shell:hover:has(.gmail-row-selected) {
  --gm-row-actions-bg: var(--gm-bg-row-selected-hover);
}

.gmail-row-shell:hover:has(.gmail-row-selected.gmail-row-focused) {
  --gm-row-actions-bg: var(--gm-bg-row-selected);
}

.gmail-row-shell:hover .gmail-row-date {
  visibility: hidden;
}

.gmail-row-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--gm-text-muted);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.gmail-row-action:hover {
  background: var(--gm-bg-pill-hover);
  color: var(--gm-text-strong);
}

.gmail-row-action-danger:hover {
  color: var(--destructive);
}

.gmail-row-shell:hover .gmail-row {
  background: var(--gm-bg-row-hover);
  box-shadow: none;
}

.gmail-row-selected {
  background: var(--gm-bg-row-selected);
  box-shadow: inset 2px 0 0 var(--gm-accent);
}

.gmail-row-shell:hover .gmail-row-selected {
  background: var(--gm-bg-row-selected-hover);
}

/* The j/k keyboard cursor. Declared after the hover rules (same specificity)
   so the focus ring survives hovering the focused row. */
.gmail-row-focused,
.gmail-row-shell:hover .gmail-row-focused {
  background: var(--gm-bg-row-hover);
  box-shadow: inset 0 0 0 1px var(--gm-accent);
}

.gmail-row-selected.gmail-row-focused,
.gmail-row-shell:hover .gmail-row-selected.gmail-row-focused {
  background: var(--gm-bg-row-selected);
  box-shadow: inset 2px 0 0 var(--gm-accent), inset 0 0 0 1px var(--gm-accent);
}

.gmail-row-unread {
  color: var(--gm-text);
}

.gmail-row-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: transparent;
}

.gmail-row-unread .gmail-row-dot {
  background: var(--gm-accent);
  box-shadow: 0 0 8px var(--gm-accent-glow);
}

.gmail-row-sender,
.gmail-row-content strong,
.gmail-row-date {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
}

.gmail-row-unread .gmail-row-sender,
.gmail-row-unread .gmail-row-content strong {
  font-weight: 600;
  color: var(--gm-text-strong);
}

.gmail-row-unread .gmail-row-date {
  color: var(--gm-text);
}

.gmail-row-sender,
.gmail-row-content,
.gmail-row-content span {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.gmail-row-content {
  display: flex;
  gap: 8px;
  color: var(--gm-text-faint);
  font-size: 13px;
}

/* The bold lead (summary or subject) may shrink — with ellipsis — but only
   after the snippet span (huge shrink factor below) has fully collapsed.
   Without this, a long summary plus the never-shrinking category chip
   overflows the clipped row and the chip is what gets cut off. */
.gmail-row-content strong {
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: inherit;
  font-weight: 400;
}

/* Snippet gives way first (chips carry .gmail-row-chip and keep shrink 0). */
.gmail-row-content > span:not(.gmail-row-chip) {
  flex-shrink: 1000;
}

.gmail-row-date {
  justify-self: end;
  color: var(--gm-text-faint);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* Category / waiting-age pill at the right edge of the content column. */
.gmail-row-chip {
  flex-shrink: 0;
  margin-left: auto;
  padding: 1px 8px;
  border: 1px solid var(--gm-border);
  border-radius: 999px;
  color: var(--gm-text-faint);
  font-size: 11px;
  line-height: 16px;
  white-space: nowrap;
}

/* Two chips on one row (category + status): only the first takes the auto
   margin; the second sits right next to it, so the pair clusters at the
   right edge instead of spreading across the free space. */
.gmail-row-chip + .gmail-row-chip {
  margin-left: 6px;
}

.gmail-row-chip-waiting {
  border-color: transparent;
  background: var(--gm-bg-pill-hover);
  color: var(--gm-text-muted);
  font-variant-numeric: tabular-nums;
}

.gmail-row-chip-ready {
  border-color: transparent;
  background: var(--gm-bg-row-selected);
  color: var(--gm-accent);
}

/* Shown in place of the "Needs you" section when it's empty. */
.gmail-caughtup {
  padding: 18px 24px;
  color: var(--gm-text-faint);
  font-size: 13px;
}

/* Category filter pills under the "Everything else" header. */
.gmail-category-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 24px;
  border-bottom: 1px solid var(--gm-border);
}

.gmail-category-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 10px;
  border: 1px solid var(--gm-border);
  border-radius: 999px;
  background: transparent;
  color: var(--gm-text-muted);
  font-family: inherit;
  font-size: 12px;
  line-height: 18px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.gmail-category-pill:hover {
  background: var(--gm-bg-pill-hover);
  color: var(--gm-text-strong);
}

.gmail-category-pill-active {
  background: var(--gm-bg-row-selected);
  border-color: var(--gm-accent);
  color: var(--gm-text-strong);
}

.gmail-category-pill-count {
  color: var(--gm-text-faint);
  font-variant-numeric: tabular-nums;
}

.gmail-category-pill-archive {
  margin-left: auto;
  border-color: transparent;
  background: var(--gm-bg-pill-hover);
  color: var(--gm-text-strong);
}

.gmail-category-pill-archive:disabled {
  opacity: 0.6;
  cursor: default;
}

/* The category chip in the thread-detail toolbar is a button (dropdown trigger). */
.gmail-category-chip {
  flex-shrink: 0;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 120ms ease, color 120ms ease;
}

.gmail-category-chip:hover {
  background: var(--gm-bg-pill-hover);
  color: var(--gm-text-strong);
}

.gmail-detail {
  display: flex;
  min-width: 0;
  flex-direction: column;
  background: transparent;
}

.gmail-detail-inline {
  background: var(--gm-bg-card);
  border-top: 1px solid var(--gm-border);
  border-bottom: 1px solid var(--gm-border);
  box-shadow: inset 2px 0 0 var(--gm-accent);
  /* Replays whenever the detail is shown — hidden details are display: none,
     so un-hiding restarts the animation. */
  animation: gmail-detail-open 140ms ease-out;
}

.gmail-detail-hidden {
  display: none;
}

@keyframes gmail-detail-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* The inline reply/forward composer pops in from below the thread. */
.gmail-compose-inline {
  animation: gmail-compose-open 140ms ease-out;
}

@keyframes gmail-compose-open {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gmail-detail-inline,
  .gmail-compose-inline,
  .gmail-row-group-leaving {
    animation: none;
  }
}

.gmail-detail-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 48px;
  padding: 0 24px;
  border-bottom: 1px solid var(--gm-border);
  background: transparent;
}

.gmail-thread-subject-inline {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--gm-text-strong);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.gmail-thread-body {
  padding: 20px 24px 28px;
  background: transparent;
}

.gmail-thread-summary {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gm-border);
}

.gmail-thread-summary-label {
  display: block;
  margin-bottom: 6px;
  color: var(--gm-text-faint);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gmail-thread-summary-text {
  display: block;
  color: var(--gm-text);
  font-size: 13px;
  line-height: 1.55;
}

.gmail-message-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gmail-message {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--gm-border);
}

.gmail-message:first-child {
  border-top: 0;
  padding-top: 4px;
}

.gmail-message-header {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.gmail-message-snippet {
  margin-top: 2px;
  color: var(--gm-text-muted);
  font-size: 12px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.gmail-message:not(.gmail-message-expanded) .gmail-message-header:hover .gmail-message-from strong {
  color: var(--gm-accent);
}

.gmail-message-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: #fafafa;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.gmail-message-main {
  min-width: 0;
}

.gmail-message-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.gmail-message-from {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.gmail-message-from strong,
.gmail-message-from span {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.gmail-message-from strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--gm-text-strong);
  letter-spacing: -0.005em;
}

.gmail-message-from span,
.gmail-message-to,
.gmail-message-cc,
.gmail-message-date {
  color: var(--gm-text-muted);
  font-size: 12px;
}

.gmail-message-date {
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.gmail-message-iframe {
  display: block;
  width: 100%;
  max-width: 820px;
  margin-top: 12px;
  border: 0;
  background: var(--gm-bg-iframe);
  border-radius: 6px;
}

.gmail-message-iframe-adaptive {
  background: var(--gm-bg-card);
}

.gmail-message-plain {
  max-width: 820px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--gm-bg-iframe);
  border-radius: 6px;
  color: var(--gm-text);
}

.gmail-message-pre {
  margin: 0;
  font: 14px/1.6 Arial, sans-serif;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.gmail-message-pre-quoted {
  margin-top: 12px;
  color: var(--gm-text-muted);
}

.gmail-quote-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  height: 22px;
  padding: 0 10px;
  border: 1px solid var(--gm-border-strong);
  border-radius: 4px;
  background: var(--gm-bg-pill);
  color: var(--gm-text-muted);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.gmail-quote-toggle:hover {
  background: var(--gm-bg-pill-hover);
  color: var(--gm-text-strong);
  border-color: var(--gm-border-strong);
}

.gmail-quote-toggle[aria-expanded="true"] {
  background: var(--gm-bg-row-selected);
  color: var(--gm-accent);
  border-color: var(--gm-accent);
}

.gmail-message-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  max-width: 820px;
}

.gmail-attachment {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 320px;
  padding: 6px 10px;
  border: 1px solid var(--gm-border-strong);
  border-radius: 6px;
  background: var(--gm-bg-pill);
  color: var(--gm-text);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.gmail-attachment:hover {
  background: var(--gm-bg-pill-hover);
  border-color: var(--gm-accent);
  color: var(--gm-accent);
}

.gmail-attachment-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 500;
}

.gmail-attachment-size {
  flex-shrink: 0;
  color: var(--gm-text-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.gmail-thread-actions {
  display: flex;
  gap: 8px;
  margin: 20px 0 12px 40px;
}

.gmail-thread-actions button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 14px;
  border: 1px solid var(--gm-border-strong);
  border-radius: 6px;
  background: var(--gm-bg-pill);
  color: var(--gm-text-body);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.gmail-thread-actions button:hover {
  background: var(--gm-bg-pill-hover);
  border-color: var(--gm-border-strong);
}

/* Email composer body — Tiptap content, styled to the app's design system. */
.compose-content {
  outline: none;
  min-height: 120px;
  padding: 12px;
  background: transparent;
  color: var(--foreground);
  font-size: 0.875rem;
  line-height: 1.6;
}

.compose-content p {
  margin: 0;
}

.compose-content p + p,
.compose-content p + ul,
.compose-content p + ol,
.compose-content p + blockquote {
  margin-top: 8px;
}

.compose-content ul,
.compose-content ol {
  margin: 0;
  padding-left: 22px;
}

.compose-content ul {
  list-style: disc;
}

.compose-content ol {
  list-style: decimal;
}

.compose-content li {
  margin: 2px 0;
}

.compose-content li > p {
  margin: 0;
}

.compose-content blockquote {
  margin: 4px 0;
  padding-left: 12px;
  border-left: 2px solid var(--border);
  color: var(--muted-foreground);
}

.compose-content a {
  color: var(--primary);
  text-decoration: underline;
}

.compose-content code {
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8125rem;
}

.compose-content p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  color: var(--muted-foreground);
  float: left;
  height: 0;
  pointer-events: none;
}

.gmail-empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
  background: transparent;
  color: var(--gm-text-faint);
  font-size: 13px;
}

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-2xl: calc(var(--radius) + 8px);
  --radius-3xl: calc(var(--radius) + 12px);
  --radius-4xl: calc(var(--radius) + 16px);
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);
}

:root {
  --radius: 0.5rem;
  --background: var(--bg-color, oklch(1 0 0));
  --foreground: var(--text-color, oklch(0.145 0 0));
  --card: var(--bg-color, oklch(1 0 0));
  --card-foreground: var(--text-color, oklch(0.145 0 0));
  --popover: var(--bg-color, oklch(1 0 0));
  --popover-foreground: var(--text-color, oklch(0.145 0 0));
  --primary: var(--main-color, oklch(0.205 0 0));
  --primary-foreground: var(--bg-color, oklch(0.985 0 0));
  --secondary: var(--sub-alt-color, oklch(0.97 0 0));
  --secondary-foreground: var(--text-color, oklch(0.205 0 0));
  --muted: var(--sub-alt-color, oklch(0.97 0 0));
  --muted-foreground: var(--sub-color, oklch(0.556 0 0));
  --accent: var(--sub-color, oklch(0.97 0 0));
  --accent-foreground: var(--text-color, oklch(0.205 0 0));
  --destructive: var(--error-color, oklch(0.577 0.245 27.325));
  --border: var(--sub-alt-color, oklch(0.922 0 0));
  --input: var(--sub-alt-color, oklch(0.922 0 0));
  --ring: var(--main-color, oklch(0.708 0 0));
  --chart-1: oklch(0.646 0.222 41.116);
  --chart-2: oklch(0.6 0.118 184.704);
  --chart-3: oklch(0.398 0.07 227.392);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --sidebar: var(--bg-color, oklch(0.985 0 0));
  --sidebar-foreground: var(--text-color, oklch(0.145 0 0));
  --sidebar-primary: var(--main-color, oklch(0.205 0 0));
  --sidebar-primary-foreground: var(--bg-color, oklch(0.985 0 0));
  --sidebar-accent: var(--sub-color, oklch(0.9 0 0));
  --sidebar-accent-foreground: var(--text-color, oklch(0.205 0 0));
  --sidebar-border: var(--sub-alt-color, oklch(0.922 0 0));
  --sidebar-ring: var(--main-color, oklch(0.708 0 0));
  --scrollbar-track: oklch(0.95 0 0);
  --scrollbar-thumb: oklch(0.75 0 0);
  --scrollbar-thumb-hover: oklch(0.65 0 0);
  /* Subtle raised-card surface: tints toward foreground, so it reads a hair
     darker than the background in light mode and a hair lighter in dark mode.
     Shared by the web search card and tool-call group. */
  --card-surface: color-mix(in oklab, var(--background) 98.5%, var(--foreground));
  --rowboat-panel: oklch(0.97 0 0);
  --rowboat-raised: oklch(1 0 0);
  --rowboat-wash: color-mix(in oklab, var(--background) 88%, var(--primary) 12%);
  --rowboat-hairline: color-mix(in oklab, var(--border) 78%, var(--foreground) 22%);
  --rowboat-command: oklch(0.205 0 0);
  --rowboat-attention: oklch(0.646 0.222 41.116);
  --rowboat-shadow: 0 1px 2px rgb(31 38 48 / 0.07), 0 18px 40px rgb(31 38 48 / 0.08);
  --rowboat-shadow-soft: 0 1px 2px rgb(31 38 48 / 0.05), 0 8px 24px rgb(31 38 48 / 0.06);
}

.dark {
  --background: var(--bg-color, oklch(0.145 0 0));
  --foreground: var(--text-color, oklch(0.985 0 0));
  --card: var(--bg-color, oklch(0.205 0 0));
  --card-foreground: var(--text-color, oklch(0.985 0 0));
  --popover: var(--bg-color, oklch(0.205 0 0));
  --popover-foreground: var(--text-color, oklch(0.985 0 0));
  --primary: var(--main-color, oklch(0.922 0 0));
  --primary-foreground: var(--bg-color, oklch(0.205 0 0));
  --secondary: var(--sub-alt-color, oklch(0.269 0 0));
  --secondary-foreground: var(--text-color, oklch(0.985 0 0));
  --muted: var(--sub-alt-color, oklch(0.269 0 0));
  --muted-foreground: var(--sub-color, oklch(0.708 0 0));
  --accent: var(--sub-color, oklch(0.269 0 0));
  --accent-foreground: var(--text-color, oklch(0.985 0 0));
  --destructive: var(--error-color, oklch(0.704 0.191 22.216));
  --border: var(--sub-alt-color, oklch(1 0 0 / 10%));
  --input: var(--sub-alt-color, oklch(1 0 0 / 15%));
  --ring: var(--main-color, oklch(0.556 0 0));
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: var(--bg-color, oklch(0.205 0 0));
  --sidebar-foreground: var(--text-color, oklch(0.985 0 0));
  --sidebar-primary: var(--main-color, oklch(0.488 0.243 264.376));
  --sidebar-primary-foreground: var(--bg-color, oklch(0.985 0 0));
  --sidebar-accent: var(--sub-color, oklch(0.35 0 0));
  --sidebar-accent-foreground: var(--text-color, oklch(0.985 0 0));
  --sidebar-border: var(--sub-alt-color, oklch(1 0 0 / 10%));
  --sidebar-ring: var(--main-color, oklch(0.556 0 0));
  --scrollbar-track: oklch(0.2 0 0);
  --scrollbar-thumb: oklch(0.4 0 0);
  --scrollbar-thumb-hover: oklch(0.5 0 0);
  --rowboat-panel: oklch(0.269 0 0);
  --rowboat-raised: oklch(0.205 0 0);
  --rowboat-wash: color-mix(in oklab, var(--background) 80%, var(--primary) 20%);
  --rowboat-hairline: color-mix(in oklab, var(--border) 70%, var(--foreground) 30%);
  --rowboat-command: oklch(0.922 0 0);
  --rowboat-attention: oklch(0.769 0.188 70.08);
  --rowboat-shadow: 0 1px 2px rgb(0 0 0 / 0.24), 0 22px 44px rgb(0 0 0 / 0.28);
  --rowboat-shadow-soft: 0 1px 2px rgb(0 0 0 / 0.2), 0 12px 28px rgb(0 0 0 / 0.18);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    scrollbar-width: thin;
  }

  body {
    @apply bg-background text-foreground;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    text-rendering: optimizeLegibility;
  }

  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
  }
}

.rowboat-shell {
  background: var(--background);
}

.rowboat-sidebar [data-sidebar="sidebar"] {
  background: var(--sidebar);
  border-right: 1px solid var(--sidebar-border);
}

.rowboat-sidebar [data-sidebar="header"] {
  gap: 0.625rem;
  border-bottom: 1px solid color-mix(in oklab, var(--sidebar-border) 76%, transparent);
  background: var(--sidebar);
}

.rowboat-section-switcher {
  border: 1px solid color-mix(in oklab, var(--sidebar-border) 78%, transparent);
  background: color-mix(in oklab, var(--sidebar-accent) 58%, var(--sidebar) 42%);
  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--foreground) 9%, transparent);
}

.rowboat-section-switcher button {
  letter-spacing: 0;
}

.rowboat-section-switcher button[class*="shadow-sm"] {
  background: var(--rowboat-raised);
  box-shadow: var(--rowboat-shadow-soft);
}

.rowboat-quick-actions button {
  min-height: 2rem;
}

.rowboat-quick-actions button svg {
  color: color-mix(in oklab, var(--rowboat-command) 72%, var(--sidebar-foreground) 28%);
}

.rowboat-tabbar {
  background: color-mix(in oklab, var(--background) 78%, var(--muted) 22%);
}

.rowboat-titlebar {
  background: var(--background);
  border-bottom-color: color-mix(in oklab, var(--border) 82%, transparent);
}

.rowboat-tab {
  min-height: 2.5rem;
  border-bottom: 1px solid transparent;
}

.rowboat-tab[class*="bg-background"] {
  border-bottom-color: var(--primary);
  background: var(--rowboat-raised);
  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--foreground) 8%, transparent);
}

.rowboat-composer-dock {
  box-shadow: 0 -20px 44px color-mix(in oklab, var(--background) 78%, transparent);
}

.rowboat-chat-input {
  border-color: color-mix(in oklab, var(--border) 74%, var(--primary) 26%);
  background: var(--rowboat-raised);
  box-shadow: var(--rowboat-shadow);
}

.rowboat-chat-input:focus-within {
  border-color: color-mix(in oklab, var(--ring) 76%, var(--border) 24%);
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--ring) 38%, transparent),
    var(--rowboat-shadow);
}

.dark .rowboat-code-chat-input {
  border-color: color-mix(in oklab, var(--border) 76%, transparent);
  background: #000000;
  box-shadow: none;
}

.dark .rowboat-code-chat-input:focus-within {
  border-color: color-mix(in oklab, var(--ring) 70%, var(--border) 30%);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--ring) 30%, transparent);
}

[data-slot="message-content"] {
  line-height: 1.62;
}

.is-user [data-slot="message-content"] {
  background: color-mix(in oklab, var(--secondary) 88%, var(--rowboat-wash) 12%);
  border: 1px solid color-mix(in oklab, var(--border) 68%, transparent);
}

.is-assistant [data-slot="message-content"] {
  color: color-mix(in oklab, var(--foreground) 94%, var(--muted-foreground) 6%);
}

/* Markdown content base styles for Streamdown/MessageResponse */
@layer components {
  /* Target elements inside MessageResponse wrapper */
  [data-slot="message-content"] ul,
  [data-slot="message-content"] ol {
    @apply my-2 pl-5;
  }
  [data-slot="message-content"] ul {
    @apply list-disc;
  }
  [data-slot="message-content"] ol {
    @apply list-decimal;
  }
  [data-slot="message-content"] li {
    @apply my-1;
  }
  [data-slot="message-content"] p {
    @apply my-2 first:mt-0 last:mb-0;
  }
  [data-slot="message-content"] h1 {
    @apply my-4 text-2xl font-bold first:mt-0;
  }
  [data-slot="message-content"] h2 {
    @apply my-3 text-xl font-semibold first:mt-0;
  }
  [data-slot="message-content"] h3 {
    @apply my-3 text-lg font-semibold first:mt-0;
  }
  [data-slot="message-content"] h4,
  [data-slot="message-content"] h5,
  [data-slot="message-content"] h6 {
    @apply my-2 font-semibold first:mt-0;
  }
  [data-slot="message-content"] code:not(pre code) {
    @apply rounded bg-muted px-1.5 py-0.5 font-mono text-sm;
  }
  [data-slot="message-content"] pre {
    @apply my-3 overflow-x-auto rounded-lg;
  }
  [data-slot="message-content"] blockquote {
    @apply my-3 border-l-4 border-border pl-4 italic text-muted-foreground;
  }
  [data-slot="message-content"] hr {
    @apply my-4 border-border;
  }
  [data-slot="message-content"] a {
    @apply text-primary underline underline-offset-2 hover:text-primary/80;
  }
  [data-slot="message-content"] table {
    @apply my-3 w-full border-collapse;
  }
  [data-slot="message-content"] th,
  [data-slot="message-content"] td {
    @apply border border-border px-3 py-2 text-left;
  }
  [data-slot="message-content"] th {
    @apply bg-muted font-semibold;
  }
}

/* Titlebar drag regions for frameless window */
.titlebar-drag-region {
  -webkit-app-region: drag;
}

.titlebar-no-drag {
  -webkit-app-region: no-drag;
}

.graph-view {
  background-color: #f8f8f9;
  user-select: none;
}

.dark .graph-view {
  background-color: #0b0b0d;
}

.graph-view::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#1f2937 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 1;
  pointer-events: none;
}

.graph-view > svg {
  position: relative;
  z-index: 1;
  cursor: grab;
}

.graph-view:active > svg {
  cursor: grabbing;
}

.graph-view text {
  pointer-events: none;
  user-select: none;
}

/* Upgrade button: grainy gradient sweep on hover */
.upgrade-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.upgrade-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.25'/%3E%3C/svg%3E"),
    linear-gradient(
      90deg,
      transparent 0%,
      rgba(168, 85, 247, 0.35) 20%,
      rgba(236, 72, 153, 0.4) 40%,
      rgba(251, 146, 60, 0.35) 60%,
      rgba(168, 85, 247, 0.3) 80%,
      transparent 100%
    );
  background-size: 100px 100px, 100% 100%;
  transform: translateX(-120%);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
}

.upgrade-btn:hover::before {
  animation: grain-sweep 2.4s ease-in-out infinite;
}

@keyframes grain-sweep {
  0% {
    opacity: 1;
    transform: translateX(-120%);
  }
  45% {
    opacity: 1;
    transform: translateX(120%);
  }
  55% {
    opacity: 1;
    transform: translateX(120%);
  }
  100% {
    opacity: 1;
    transform: translateX(-120%);
  }
}