frontend/src/index.css

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

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

:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.147 0.004 49.25);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.147 0.004 49.25);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.147 0.004 49.25);
  --primary: oklch(0.216 0.006 56.043);
  --primary-foreground: oklch(0.985 0.001 106.423);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.216 0.006 56.043);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.553 0.013 58.071);
  --accent: oklch(0.956 0.012 81.69);
  --accent-foreground: oklch(0.216 0.006 56.043);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.909 0.01 58.071);
  --input: oklch(0.909 0.01 58.071);
  --ring: oklch(0.769 0.188 70.08);
  --sidebar: oklch(0.985 0.001 106.423);
  --sidebar-foreground: oklch(0.147 0.004 49.25);
}

.dark {
  --background: oklch(0.147 0.004 285.25);
  --foreground: oklch(0.985 0.001 106.423);
  --card: oklch(0.216 0.006 56.043);
  --card-foreground: oklch(0.985 0.001 106.423);
  --popover: oklch(0.216 0.006 56.043);
  --popover-foreground: oklch(0.985 0.001 106.423);
  --primary: oklch(0.851 0.2 91.936);
  --primary-foreground: oklch(0.216 0.006 56.043);
  --secondary: oklch(0.268 0.007 34.298);
  --secondary-foreground: oklch(0.985 0.001 106.423);
  --muted: oklch(0.268 0.007 34.298);
  --muted-foreground: oklch(0.775 0.024 90.004);
  --accent: oklch(0.317 0.012 45.683);
  --accent-foreground: oklch(0.985 0.001 106.423);
  --destructive: oklch(0.707 0.222 23.322);
  --border: oklch(1 0 0 / 15%);
  --input: oklch(1 0 0 / 30%);
  --ring: oklch(0.952 0.129 103.88);
  --sidebar: oklch(0.216 0.006 56.043);
  --sidebar-foreground: oklch(0.985 0.001 106.423);
}

@theme inline {
  --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-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
}

:root {
  --radius: 0.625rem;
}

* {
  border-color: var(--border);
}

html {
  color-scheme: light;
}

html.dark {
  color-scheme: dark;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Subtle ambient wash so the page plane is not flat. */
  background:
    radial-gradient(
      1200px 600px at 15% -10%,
      color-mix(in oklch, var(--primary) 6%, transparent),
      transparent 60%
    ),
    radial-gradient(
      900px 500px at 100% 0%,
      color-mix(in oklch, var(--ring) 5%, transparent),
      transparent 55%
    ),
    var(--background);
  background-attachment: fixed;
}

@utility card-hover {
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease;

  &:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px -12px rgb(0 0 0 / 0.18);
  }
}

/* Slim scrollbars for dense lists (model pickers, endpoint model lists). */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}