@import "@xterm/xterm/css/xterm.css";

/*
 * Do NOT `import "./app.css"` from JS — Bun's CSS bundler rejects the
 * `@layer name, name;` ordering rule between `@import` rules below. This file
 * is built standalone by the Tailwind CLI step in `scripts/build.ts`; the
 * generated `assets/app.css` is linked from `index.template.html`.
 */

/*
 * Cascade layer order. @assistant-ui/react-ui ships unlayered CSS authored
 * against Tailwind v3; in Tailwind v4 utilities live in @layer utilities, and
 * any unlayered CSS wins over layered CSS regardless of selector specificity.
 * Putting assistant-ui in a named layer that we declare BEFORE utilities makes
 * Tailwind v4 utility classes cascade above assistant-ui's scoped preflight.
 */
@layer theme, base, assistant-ui, components, utilities;

@import "tailwindcss";
@plugin "@tailwindcss/typography";

@import "@assistant-ui/react-ui/styles/index.css" layer(assistant-ui);
@import "@assistant-ui/react-ui/styles/markdown.css" layer(assistant-ui);

@layer base {
  a[href],
  button,
  select,
  summary,
  [role="button"],
  [role="link"],
  [role="option"],
  [role="menuitem"],
  [role="tab"] {
    cursor: pointer;
  }
}

@theme {
  --font-sans: "Geist", ui-sans-serif, system-ui, sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Primary — Teal */
  --color-teal-300: #B5DDEF;
  --color-teal-500: #67B2D7;
  --color-teal-700: #357F9E;

  /* Neutrals Dark — Navy */
  --color-navy-950: #0F1729;
  --color-navy-800: #252C3D;
  --color-navy-600: #4B5768;

  /* Neutrals Light — Ice */
  --color-ice-50: #F7F9FB;
  --color-ice-100: #E8EDF3;
  --color-ice-300: #A8B5C5;

  /* Accent */
  --color-mint: #5AC8A8;
  --color-amber: #F0A45B;
  --color-coral: #E86B6B;

  /* ── Semantic tokens ── */
  --color-page: #0F1729;
  --color-panel: #252C3D;
  --color-panel-alt: #1a2133;
  --color-overlay: rgba(255, 255, 255, 0.04);
  --color-overlay-strong: rgba(255, 255, 255, 0.10);
  --color-fg: #ffffff;
  --color-fg-2: #E8EDF3;
  --color-fg-3: #A8B5C5;
  --color-fg-muted: #4B5768;
  --color-line: rgba(255, 255, 255, 0.06);
  --color-line-strong: rgba(255, 255, 255, 0.12);
  --color-focus: rgba(103, 178, 215, 0.4);
  /* Text color that sits on --color-teal-500 primary fills. */
  --color-on-primary: #0F1729;
}

/* ── Chart variables ── */

:root {
  --chart-gridline: rgba(255, 255, 255, 0.04);
  --chart-axis-label: rgba(75, 87, 104, 1);
}

/* ── Background atmosphere ── */

.bg-atmosphere {
  background-color: var(--color-page);
  background-image:
    radial-gradient(ellipse 120% 60% at 15% 5%, rgba(53, 127, 158, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 80% 50% at 85% 90%, rgba(90, 200, 168, 0.07) 0%, transparent 45%);
  background-attachment: fixed;
}

.bg-atmosphere::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ── @pierre/diffs brand overrides ── */

:root {
  --diffs-font-family: "JetBrains Mono", ui-monospace, monospace;
  --diffs-header-font-family: "Geist", ui-sans-serif, system-ui, sans-serif;
  --diffs-font-size: 13px;
  --diffs-line-height: 20px;

  /* Surfaces */
  --diffs-bg-buffer-override: #0F1729;
  --diffs-bg-context-override: #161d2e;
  --diffs-bg-hover-override: #1c2438;
  --diffs-bg-separator-override: #252C3D;

  /* Line numbers */
  --diffs-fg-number-override: #4B5768;

  /* Additions — mint */
  --diffs-addition-color-override: #5AC8A8;
  --diffs-fg-number-addition-override: rgba(90, 200, 168, 0.5);

  /* Deletions — coral */
  --diffs-deletion-color-override: #E86B6B;
  --diffs-fg-number-deletion-override: rgba(232, 107, 107, 0.5);
}

/* ── Server-rendered SVG graph overrides ── */
/* The server injects @media (prefers-color-scheme: dark) which won't reliably
   fire when the OS is in light mode, so we apply dark graph colors always. */

.graph-svg text { fill: #c6d4e0; }
.graph-svg [stroke="#357f9e"] { stroke: #67B2D7; }
.graph-svg [stroke="#666666"] { stroke: #5a7a94; }
.graph-svg polygon[fill="#357f9e"] { fill: #67B2D7; }
.graph-svg polygon[fill="#666666"] { fill: #5a7a94; }
.graph-svg ellipse[fill="#ffffff"],
.graph-svg polygon[fill="#ffffff"] { fill: #1a2b3c; }
.graph-svg ellipse[stroke="#357f9e"],
.graph-svg polygon[stroke="#357f9e"] { stroke: #67B2D7; }
.graph-svg [fill="#1a1a1a"] { fill: #c6d4e0; }

/* ---------------------------------------------------------------------------
 * assistant-ui theme overrides (--aui-* variables) — mapped to Fabro tokens.
 * Values are HSL component triples so assistant-ui's hsl(var(...)) wrapper
 * works. Scoped to .fabro-chat so the shadcn theme cannot leak out.
 *
 * Source colors come from the @theme block above:
 *   navy-950 #0F1729 = 220 47% 11%
 *   panel    #252C3D = 222 24% 19%
 *   panel-alt #1a2133 = 223 33% 15%
 *   teal-500 #67B2D7 = 200 60% 62%  (Fabro's "teal" is a sky blue)
 *   mint     #5AC8A8 = 163 49% 57%
 *   ice-100  #E8EDF3 = 213 27% 93%
 *   ice-300  #A8B5C5 = 213 22% 72%
 * ------------------------------------------------------------------------- */
.fabro-chat {
  --aui-background: 220 47% 11%;
  --aui-foreground: 0 0% 100%;
  --aui-card: 222 24% 19%;
  --aui-card-foreground: 0 0% 100%;
  --aui-popover: 222 24% 19%;
  --aui-popover-foreground: 0 0% 100%;
  --aui-primary: 200 60% 62%;
  --aui-primary-foreground: 220 47% 11%;
  --aui-secondary: 223 33% 15%;
  --aui-secondary-foreground: 0 0% 100%;
  --aui-muted: 223 33% 15%;
  --aui-muted-foreground: 213 22% 72%;
  --aui-accent: 163 49% 57%;
  --aui-accent-foreground: 220 47% 11%;
  --aui-destructive: 0 76% 66%;
  --aui-destructive-foreground: 0 0% 100%;
  --aui-border: 218 28% 17%;
  --aui-input: 218 28% 17%;
  --aui-ring: 200 60% 62%;
  --aui-radius: 0.5rem;
  --aui-thread-max-width: 44rem;
}