web/src/index.css

@import 'tailwindcss';
/* `fonts.css` must come BEFORE `globals.css`: as of @nous-research/ui 0.14.x,
   `globals.css` only declares the `--font-*` CSS variables (Collapse, Rules
   Compressed/Expanded, Mondwest). The `@font-face` registrations live in
   `fonts.css`, so without this import the DS variables resolve to font
   families the browser never loads and components fall back to a system
   stack (Tabs, Segmented, Typography, Buttons, etc. all look unstyled). */
@import '@nous-research/ui/styles/fonts.css';
@import '@nous-research/ui/styles/globals.css';

/* Scan the published design-system bundle so its utility classes survive
   Tailwind's JIT purge. */
@source '../node_modules/@nous-research/ui/dist';

/* ------------------------------------------------------------------ */
/* JetBrains Mono — bundled for the embedded TUI (/chat tab).          */
/* Gives the terminal a proper monospace font even on systems where    */
/* the user doesn't have one installed locally; xterm.js picks it up   */
/* via ChatPage's `fontFamily` option.                                 */
/* Apache-2.0.                                                         */
/* ------------------------------------------------------------------ */

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts-terminal/JetBrainsMono-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts-terminal/JetBrainsMono-Bold.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts-terminal/JetBrainsMono-Italic.woff2') format('woff2');
}

/* ------------------------------------------------------------------ */
/* Hermes Agent — Nous DS with the LENS_0 (Hermes teal) lens applied   */
/* statically. Mirrors nousnet-web/(hermes-agent)/layout.tsx so the    */
/* canonical Hermes palette is the default — teal canvas + cream      */
/* accent — without relying on leva/gsap at runtime.                  */
/* ------------------------------------------------------------------ */

:root {
  /* LENS_0 — from design-language/src/ui/components/overlays/index.tsx.
     These are the defaults for the `default` (Hermes Teal) dashboard theme;
     ThemeProvider rewrites them as inline styles when a user switches themes. */
  --foreground: color-mix(in srgb, #ffffff 0%, transparent);
  --foreground-base: #ffffff;
  --foreground-alpha: 0;
  --midground: color-mix(in srgb, #ffe6cb 100%, transparent);
  --midground-base: #ffe6cb;
  --midground-alpha: 1;
  --background: color-mix(in srgb, #041c1c 100%, transparent);
  --background-base: #041c1c;
  --background-alpha: 1;

  /* Consumed by <Backdrop />; also theme-switchable. */
  --warm-glow: rgba(255, 189, 56, 0.35);
  --noise-opacity-mul: 1;

  /* Typography tokens — rewritten by ThemeProvider. Defaults match the
     system stack so themes that don't override look native. */
  --theme-font-sans: system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --theme-font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo,
    Consolas, monospace;
  --theme-font-display: var(--theme-font-sans);
  --theme-base-size: 15px;
  --theme-line-height: 1.55;
  --theme-letter-spacing: 0;

  /* Layout tokens. */
  --radius: 0.5rem;
  --theme-radius: 0.5rem;
  --theme-spacing-mul: 1;
  --theme-density: comfortable;
}

/* Theme tokens cascade into the document root so every descendant inherits
   the font stack, base size, and letter spacing without explicit calls. */
html {
  font-family: var(--theme-font-sans);
  font-size: var(--theme-base-size);
  line-height: var(--theme-line-height);
  letter-spacing: var(--theme-letter-spacing);
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
}

body {
  font-family: var(--theme-font-sans);
  min-height: 0;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

code, kbd, pre, samp, .font-mono, .font-mono-ui {
  font-family: var(--theme-font-mono);
}

/* Density: scale the shadcn spacing utilities via a multiplier. The DS
   components use `p-N` / `gap-N` / `space-*` classes which resolve against
   Tailwind's spacing scale; multiplying `--spacing` at :root scales them
   all proportionally in Tailwind v4. */
@theme inline {
  --spacing: calc(0.25rem * var(--theme-spacing-mul, 1));
}

#root {
  min-height: 0;
  height: 100%;
  max-height: 100%;
  overflow: hidden;
}

/* Nousnet's hermes-agent layout bumps `small` and `code` to readable
   dashboard sizes. Keep in sync. */
small { font-size: 1.0625rem; }
code { font-size: 0.875rem; }

/* Shadcn-compat tokens.
   The dashboard's page code predates the Nous DS and uses shadcn-style
   utility classes (bg-card, text-muted-foreground, border-border, etc.)
   extensively. Rather than rewrite every call site, we expose those
   tokens on top of the Nous palette so classes continue to resolve. */
@theme inline {
  /* Remap foreground to midground so `text-foreground` / `bg-foreground`
     stay visible — in LENS_0, `--foreground` itself has alpha 0. */
  --color-foreground: var(--midground);

  --color-card: color-mix(in srgb, var(--midground-base) 4%, var(--background-base));
  --color-card-foreground: var(--midground);
  --color-primary: var(--midground);
  --color-primary-foreground: var(--background-base);
  --color-secondary: color-mix(in srgb, var(--midground-base) 6%, var(--background-base));
  --color-secondary-foreground: var(--midground);
  --color-muted: color-mix(in srgb, var(--midground-base) 8%, var(--background-base));
  /* Routes the shadcn `muted-foreground` slot through the DS semantic
     text-secondary token (defaults to midground 80%) so legacy call
     sites that use `text-muted-foreground` get a readable color
     instead of the old 55%-transparent default. */
  --color-muted-foreground: var(--color-text-secondary);
  --color-accent: color-mix(in srgb, var(--midground-base) 10%, var(--background-base));
  --color-accent-foreground: var(--midground);
  --color-destructive: #fb2c36;
  --color-destructive-foreground: #ffffff;
  --color-success: #4ade80;
  --color-warning: #ffbd38;
  --color-border: color-mix(in srgb, var(--midground-base) 15%, transparent);
  --color-input: color-mix(in srgb, var(--midground-base) 15%, transparent);
  --color-ring: var(--midground);
  --color-popover: color-mix(in srgb, var(--midground-base) 4%, var(--background-base));
  --color-popover-foreground: var(--midground);

  --radius-sm: calc(var(--theme-radius) - 4px);
  --radius-md: calc(var(--theme-radius) - 2px);
  --radius-lg: var(--theme-radius);
  --radius-xl: calc(var(--theme-radius) + 4px);
}


/* Toast animations used by `components/Toast.tsx`. */
@keyframes toast-in {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(16px); }
}

/* Generic fade + dialog entrance used by popovers and confirm dialogs. */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes dialog-in {
  from { opacity: 0; transform: translateY(4px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Hide scrollbar utility — used by the header's overflow-x nav row. */
.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.scrollbar-none::-webkit-scrollbar {
  display: none;
}

/* Plus-lighter blend used by logos/titles for a subtle glow. */
.blend-lighter {
  mix-blend-mode: plus-lighter;
}

/* System UI-monospace stack — distinct from `font-courier` (Courier
   Prime), used for dense data readouts where the display font would
   break the grid. Routes through the theme's mono stack so themes
   with a different monospace (JetBrains Mono, IBM Plex Mono, etc.)
   still apply here. */
.font-mono-ui {
  font-family: var(--theme-font-mono);
}

/* Subtle grain overlay for badges. */
.grain {
  position: relative;
}
.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.12;
  pointer-events: none;
  background: repeating-conic-gradient(currentColor 0% 25%, #0000 0% 50%) 0 0 /
    2px 2px;
}

/* When a theme provides `assets.bg`, the backdrop's <div> renders it as
   a CSS background; the default filler <img> is hidden to prevent
   double-compositing. Unset → initial → empty, so the :not() selector
   matches and the default image stays visible. */
:root:not([style*="--theme-asset-bg:"]) .theme-default-filler {
  display: block;
}
:root[style*="--theme-asset-bg:"] .theme-default-filler {
  display: none;
}