@import 'tailwindcss';

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

/* Neutral gray theme matching shadcn/ui's canonical dark palette (0-chroma
   OKLCH grays) — the app is dark-only, so :root carries the dark values
   directly rather than gating behind a .dark class. --success/--warning are
   Oikos-specific semantic status colors (real health state), kept
   distinguishable rather than desaturated to match the neutral chrome. */
:root {
  --radius: 0.625rem;
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.371 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --destructive-foreground: oklch(0.985 0 0);
  --success: #3fb950;
  --warning: #d29922;
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.556 0 0);
  --sidebar: oklch(0.205 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.269 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.439 0 0);
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* legacy aliases still referenced by Chat/Sessions/App */
  --bg: var(--background);
  --bg-surface: var(--card);
  --bg-deeper: oklch(0.11 0 0);
  --bg-hover: var(--secondary);
  --bg-active: var(--accent);
  --text: var(--foreground);
  --text-muted: var(--muted-foreground);
  /* accent-blue stays a real blue (matches --sidebar-primary) for the few
     spots that want an interactive "pop" — everything else (buttons,
     links, focus rings) rides the neutral --primary now. */
  --accent-blue: var(--sidebar-primary);
  --accent-green: var(--success);
  --accent-red: var(--destructive);
  --accent-orange: var(--warning);
}

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --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-destructive-foreground: var(--destructive-foreground);
  --color-success: var(--success);
  --color-warning: var(--warning);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --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);
  --font-mono: var(--font-mono);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  html,
  body {
    @apply bg-background text-foreground;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
  }
  /* Tailwind's preflight resets <button> to cursor: default; every button
     and native interactive element in this app is clickable, so restore
     the pointer cursor app-wide instead of annotating each one. */
  button:not(:disabled),
  [role='button']:not([aria-disabled='true']),
  a[href],
  summary,
  select {
    cursor: pointer;
  }
}

#app {
  height: 100%;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

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

a {
  color: var(--accent-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}
