openchamber/packages/ui/src/index.css

@import "tailwindcss";
@import "tw-animate-css";
@import "./styles/design-system.css";
@import "./styles/typography.css";
@import "./styles/mobile.css";
@source "./**/*.{ts,tsx,css}";

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

/* Suppress WebKit-specific hover/focus adornments on the chat textarea */
textarea[data-chat-input="true"] {
  -webkit-appearance: none;
  background: transparent !important;
  border: none;
  box-shadow: none;
}

textarea[data-chat-input="true"]:focus,
textarea[data-chat-input="true"]:focus-visible,
textarea[data-chat-input="true"]:hover {
  outline: none;
  border: none;
  box-shadow: none;
}

.oc-cm-selected-line {
  background: color-mix(in srgb, var(--accent) 70%, transparent);
}

:root.vscode-runtime textarea[data-chat-input="true"]::placeholder {
  color: color-mix(in srgb, var(--vscode-input-placeholderForeground, var(--muted-foreground)) 65%, transparent);
}

/* Match chat footer background to input in WebKit to avoid dual-tone hover/focus */
[data-chat-input="true"] + div[data-chat-input-footer="true"] {
  background: transparent !important;
  border: none;
  box-shadow: none;
  -webkit-appearance: none;
}

[data-keyboard-avoid-active="true"] {
  transform: translateY(calc(-1 * var(--oc-keyboard-avoid-offset, 0px)));
}

/* Scroll shadow (HeroUI) fallback styling to ensure visible gradients without the Tailwind plugin */
[data-scroll-shadow="true"] {
  --scroll-shadow-size: var(--scroll-shadow-size, 48px);
}

[data-scroll-shadow="true"][data-orientation="vertical"] {
  mask-mode: alpha;
}

[data-scroll-shadow="true"][data-orientation="vertical"][data-top-bottom-scroll="true"] {
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    #000 var(--scroll-shadow-size),
    #000 calc(100% - var(--scroll-shadow-size)),
    transparent 100%
  );
}

[data-scroll-shadow="true"][data-orientation="vertical"][data-top-scroll="true"] {
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    #000 var(--scroll-shadow-size),
    #000 100%
  );
}

[data-scroll-shadow="true"][data-orientation="vertical"][data-bottom-scroll="true"] {
  mask-image: linear-gradient(
    to bottom,
    #000 0%,
    #000 calc(100% - var(--scroll-shadow-size)),
    transparent 100%
  );
}


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

@keyframes oc-migrate-up {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

@keyframes gradient-shimmer {
  0% {
    stop-color: currentColor;
  }
  50% {
    stop-color: color-mix(in srgb, currentColor 60%, white 40%);
  }
  100% {
    stop-color: currentColor;
  }
}

@keyframes shimmer-position {
  0% {
    x: -100%;
  }
  100% {
    x: 100%;
  }
}

@keyframes oc-file-mention-marquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(calc(-100% + var(--file-mention-marquee-width, 360px)));
  }
}

.file-mention-marquee-container {
  --file-mention-marquee-width: 360px;
  --file-mention-marquee-duration: 4s;
}

.file-mention-marquee {
  animation: oc-file-mention-marquee var(--file-mention-marquee-duration, 4s) linear 0.2s 1 both;
  will-change: transform;
}

/* Safari/WebKit fixes for buttons and SVG icons */
/* Remixicon puts fill="currentColor" on root SVG which WebKit renders as background */
button svg.remixicon,
[role="button"] svg.remixicon,
button svg,
[role="button"] svg {
  background: none !important;
  background-color: transparent !important;
  /* Override inline fill attribute on SVG root */
  fill: none !important;
  /* Ensure SVG uses CSS rendering, not native */
  shape-rendering: geometricPrecision;
}

/* GPU acceleration for non-spinning SVGs */
button svg:not(.animate-spin),
[role="button"] svg:not(.animate-spin) {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Fix SVG elements inside buttons - remove any rect/circle backgrounds */
button svg rect,
button svg circle,
[role="button"] svg rect,
[role="button"] svg circle {
  fill: none !important;
}

/* Ensure SVG paths/shapes inherit color properly */
button svg.remixicon path,
button svg.remixicon circle[fill],
[role="button"] svg.remixicon path,
[role="button"] svg.remixicon circle[fill],
button svg path,
[role="button"] svg path {
  fill: currentColor !important;
}

/* Safari/WebKit animation fixes - outside @layer for higher specificity */
.animate-spin {
  animation: webkit-spin 1s linear infinite !important;
  will-change: transform !important;
  background: transparent !important;
  background-color: transparent !important;
}

/* Specific SVG spinner fixes for WebKit */
svg.animate-spin {
  /* Use CSS box as transform reference for proper centering with scaled SVGs */
  transform-box: fill-box !important;
  transform-origin: 50% 50% !important;
  background: none !important;
  background-color: transparent !important;
  overflow: visible !important;
  /* Ensure SVG content is centered */
  display: block !important;
}

@keyframes webkit-spin {
  0% {
    transform: translateZ(0) rotate(0deg);
  }
  100% {
    transform: translateZ(0) rotate(360deg);
  }
}

.app-region-drag {
  -webkit-app-region: drag;
}

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

.animate-spin-once {
  animation: spin-once 0.5s linear forwards;
}

/* Custom scrollbar styles */
*::-webkit-scrollbar {
  width: 10px !important;
  height: 10px !important;
  background: transparent;
  -webkit-appearance: none;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: var(--oc-scrollbar-thumb);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--oc-scrollbar-thumb-hover);
  background-clip: padding-box;
}

.dark {
  color-scheme: dark;
  --oc-scrollbar-thumb: oklch(0.6 0.02 80 / 0.3);
  --oc-scrollbar-thumb-hover: oklch(0.6 0.02 80 / 0.5);
}

[data-scrollbar="chat"]::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  background-clip: padding-box;
}

*::-webkit-scrollbar-corner {
  background: transparent;
}

[data-scrollbar="chat"].chat-scroll,
.chat-scroll {
  scrollbar-gutter: stable both-edges;
}

html:not(.dark) .chat-scroll {
  color-scheme: dark;
}

[data-scrollbar="chat"]::-webkit-scrollbar {
  width: 10px !important;
  height: 10px !important;
  background: transparent !important;
  -webkit-appearance: none;
}

[data-scrollbar="chat"].chat-scroll::-webkit-scrollbar,
.chat-scroll::-webkit-scrollbar {
  width: 10px !important;
  height: 10px !important;
}

[data-scrollbar="chat"]::-webkit-scrollbar-track {
  background: transparent !important;
}

[data-scrollbar="chat"].chat-scroll::-webkit-scrollbar-track,
.chat-scroll::-webkit-scrollbar-track {
  background: transparent !important;
}

[data-scrollbar="chat"]::-webkit-scrollbar-thumb {
  background: var(--oc-scrollbar-thumb) !important;
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

[data-scrollbar="chat"].chat-scroll::-webkit-scrollbar-thumb,
.chat-scroll::-webkit-scrollbar-thumb {
  background: var(--oc-scrollbar-thumb) !important;
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

[data-scrollbar="chat"]::-webkit-scrollbar-thumb:hover {
  background: var(--oc-scrollbar-thumb-hover) !important;
  background-clip: padding-box;
}

[data-scrollbar="chat"].chat-scroll::-webkit-scrollbar-thumb:hover,
.chat-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--oc-scrollbar-thumb-hover) !important;
  background-clip: padding-box;
}

[data-scrollbar="chat"]::-webkit-scrollbar-corner {
  background: transparent !important;
}

/* Hide native scrollbars for overlay targets (all browsers) */
.overlay-scrollbar-target {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}

.overlay-scrollbar-target::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
  display: none !important;
}

/* Firefox scrollbar support */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--oc-scrollbar-thumb) transparent;
}

.scrollbar-hidden {
  scrollbar-width: none !important;
}

.scrollbar-hidden::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
}

.dark * {
  scrollbar-color: oklch(0.6 0.02 80 / 0.3) transparent;
}

/* Overlay scrollbar styling (custom thumb) */
.overlay-scrollbar {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 10;
}

.overlay-scrollbar--dense,
.overlay-scrollbar--bottom-right,
.overlay-scrollbar--zero,
.overlay-scrollbar--flush {
  /* no-op: positioning handled inline */
}

.overlay-scrollbar__thumb {
  pointer-events: auto;
  position: absolute;
  width: 6px;
  background: var(--oc-scrollbar-thumb);
  border-radius: 9999px;
  opacity: 0.8;
  transition: background-color 0.15s ease, opacity 0.15s ease;
  will-change: transform, height;
}

.overlay-scrollbar__thumb:hover,
.overlay-scrollbar__thumb:active {
  background: var(--oc-scrollbar-thumb-hover);
  opacity: 1;
}

.overlay-scrollbar__thumb--horizontal {
  height: 6px;
  margin: 0;
}

.overlay-scrollbar__thumb--vertical {
  margin: 0;
}

/* Pierre diff viewer styling */
.pierre-diff-wrapper {
  --diffs-font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  --diffs-font-size: var(--text-code, 13px);
  --diffs-line-height: 1.5;
  --diffs-tab-size: 2;
  --diffs-header-font-family: var(--font-sans, 'IBM Plex Sans', sans-serif);
  --diffs-min-number-column-width: 4ch;
  --diffs-gap-inline: 0;
  --diffs-gap-block: 0;
}

/* Desktop: slightly smaller diff code text */
:root:not(.mobile-pointer) .pierre-diff-wrapper {
  --diffs-font-size: 0.8125rem;
}

/* WebKit scroll rendering optimizations */
/* Note: avoid will-change and contain as they break resize behavior */
.pierre-diff-wrapper,
.pierre-diff-wrapper diffs-container {
  /* Force GPU compositing layer */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;

  /* WebKit touch scroll optimization */
  -webkit-overflow-scrolling: touch;
}

.pierre-diff-wrapper diffs-container {
  display: block;
}

/* Header tab responsiveness */
:root:not(.mobile-pointer):not(.vscode-runtime) .header-tab-label {
  display: inline;
}

@media (max-width: 940px) {
  :root:not(.mobile-pointer):not(.vscode-runtime) .header-tab-label {
    display: none;
  }
}

/* ============================================
   Streamdown Styles
   Minimal overrides - fonts only, using Streamdown defaults
   ============================================ */

/* VS Code webviews can inject default pre/code/blockquote backgrounds; tool input/output should inherit the card surface. */
.tool-input-surface pre,
.tool-input-surface code,
.tool-input-surface blockquote,
.tool-input-text {
  background: transparent !important;
  background-color: transparent !important;
}

/* VSCode: tool cards should honor semantic code sizing, even when syntax themes inject sizes. */
:root.vscode-runtime .tool-input-surface,
:root.vscode-runtime .tool-output-surface {
  font-size: var(--text-code) !important;
}

:root.vscode-runtime .tool-input-surface code,
:root.vscode-runtime .tool-input-surface pre,
:root.vscode-runtime .tool-output-surface code,
:root.vscode-runtime .tool-output-surface pre {
  font-size: inherit !important;
}

/* Model/agent controls: agent label hides before model label. */
@container model-controls (max-width: 11rem) {
  .model-controls__agent-label {
    display: none;
  }
}

@container model-controls (max-width: 9rem) {
  .model-controls__model-label {
    display: none;
  }
}

/* VS Code side panel: collapse earlier to save horizontal space. */
@container model-controls (max-width: 9rem) {
  :root.vscode-runtime .model-controls__agent-label {
    display: none;
  }
}

@container model-controls (max-width: 10rem) {
  :root.vscode-runtime .model-controls__model-label {
    display: none;
  }
}

/* Text font: IBM Plex Sans */
.streamdown-content {
  font-family: var(--font-sans);
  font-size: var(--text-markdown);
}

/* Tool markdown should render at code size to match tool card typography. */
.streamdown-content.streamdown-tool {
  font-size: var(--text-code) !important;
}

.streamdown-content.streamdown-tool code,
.streamdown-content.streamdown-tool pre {
  font-size: inherit !important;
}

/* Streamdown headers: keep proportional but not oversized */
.streamdown-content h1 {
  font-size: 1.125em;
  font-weight: 600;
  margin-top: 1em;
  margin-bottom: 0.5em;
}

.streamdown-content h2 {
  font-size: 1.0625em;
  font-weight: 600;
  margin-top: 0.875em;
  margin-bottom: 0.375em;
}

.streamdown-content h3 {
  font-size: 1em;
  font-weight: 600;
  margin-top: 0.75em;
  margin-bottom: 0.25em;
}

.streamdown-content h4,
.streamdown-content h5,
.streamdown-content h6 {
  font-size: 1em;
  font-weight: 600;
  margin-top: 0.625em;
  margin-bottom: 0.25em;
}

/* Code font: IBM Plex Mono */
.streamdown-content code,
.streamdown-content pre {
  font-family: var(--font-mono);
  font-size: var(--text-code);
}

/* Streamdown code blocks: ensure light/dark Shiki vars work even when Tailwind doesn't scan Streamdown's internal class names. */
.streamdown-content [data-streamdown="code-block-body"] {
  font-size: var(--text-code);
  background-color: var(--shiki-light-bg, transparent);
  color: var(--shiki-light, inherit);
}

.dark .streamdown-content [data-streamdown="code-block-body"] {
  background-color: var(--shiki-dark-bg, var(--shiki-light-bg, transparent));
  color: var(--shiki-dark, var(--shiki-light, inherit));
}

.dark .streamdown-content [data-streamdown="code-block-body"] span[style*="--shiki-dark"] {
  color: var(--shiki-dark) !important;
}

/* Fix list styling - override Tailwind reset */
.streamdown-content ul {
  list-style-type: disc;
  list-style-position: outside;
  padding-left: 1.5em;
}

.streamdown-content ol {
  list-style-type: decimal;
  list-style-position: outside;
  padding-left: 1.5em;
}

.streamdown-content li {
  display: list-item;
}

/* Reduce code block header height */
[data-streamdown="code-block-header"] {
  padding: 0.375rem 0.75rem;
}

/* Disable Streamdown's code block virtualization (content-visibility) to avoid late height changes that break scroll-to-bottom. */
.streamdown-content [data-streamdown="code-block"] {
  content-visibility: visible !important;
  contain-intrinsic-size: none !important;
}

/* Hide system caret in terminal - targets both Ghostty internal input and our custom touch input */
.terminal-viewport-container textarea {
  caret-color: transparent !important;
}

/* Mobile Terminal Optimizations */
@media (max-width: 1024px) {
  .terminal-viewport-container {
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
  }
}

/* Font loading states */
.fonts-loading .terminal-viewport-container {
  font-family: monospace;
}

.fonts-loaded .terminal-viewport-container {
  font-family: "JetBrainsMono Nerd Font", "FiraCode Nerd Font", "Fira Code", "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}

@keyframes grid-pulse {
  0%, 100% {
    opacity: 0.2;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-grid-pulse {
  animation: grid-pulse 1.2s ease-in-out infinite;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

.marquee-text {
  display: inline-block;
  white-space: nowrap;
}

.group:hover .marquee-text,
.marquee-text:hover {
  animation: marquee-scroll 5s linear infinite alternate;
}