frontend/src/styles/index.css

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

@source inline("lg:col-span-4 lg:col-span-5 lg:col-span-6 lg:col-span-7 lg:col-span-8 lg:col-span-12");

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

/* ───────────────────────────────────────────────────────────────
   Tiny Trigger — "Dark Ops Console" design system
   Neutral cool-black surfaces · one electric live-signal accent ·
   distinctive type (Clash Display / Hanken Grotesk / JetBrains Mono)
   ─────────────────────────────────────────────────────────────── */

:root {
  --radius: 0.625rem;

  /* surfaces — cool near-black, layered by elevation */
  --background: oklch(0.145 0.006 264);
  --foreground: oklch(0.93 0.004 264);
  --card: oklch(0.185 0.007 264);
  --card-foreground: oklch(0.93 0.004 264);
  --popover: oklch(0.205 0.008 264);
  --popover-foreground: oklch(0.93 0.004 264);

  /* the single confident accent — electric "live signal" chartreuse */
  --primary: oklch(0.885 0.19 122);
  --primary-foreground: oklch(0.18 0.03 130);

  --secondary: oklch(0.235 0.008 264);
  --secondary-foreground: oklch(0.93 0.004 264);
  --muted: oklch(0.235 0.008 264);
  --muted-foreground: oklch(0.64 0.012 264);
  --accent: oklch(0.235 0.008 264);
  --accent-foreground: oklch(0.93 0.004 264);

  /* semantic */
  --destructive: oklch(0.637 0.21 25.3);
  --destructive-foreground: oklch(0.97 0.01 20);
  --warning: oklch(0.79 0.15 78);
  --warning-foreground: oklch(0.2 0.03 78);
  --info: oklch(0.78 0.12 222);
  --info-foreground: oklch(0.18 0.03 240);

  --border: oklch(1 0 0 / 8%);
  --input: oklch(1 0 0 / 12%);
  --ring: oklch(0.885 0.19 122 / 55%);

  /* fonts */
  --font-display: "Clash Display", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

@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-destructive-foreground: var(--destructive-foreground);
  --color-warning: var(--warning);
  --color-warning-foreground: var(--warning-foreground);
  --color-info: var(--info);
  --color-info-foreground: var(--info-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);

  --font-display: var(--font-display);
  --font-sans: var(--font-sans);
  --font-mono: var(--font-mono);

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

@layer base {
  * {
    border-color: var(--color-border);
  }

  html {
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--color-background);
    color: var(--color-foreground);
    font-family: var(--font-sans);
    font-feature-settings: "ss01", "cv01", "tnum";
    /* atmospheric depth: dual radial glows + faint engineering grid */
    background-image:
      radial-gradient(
        90rem 60rem at 82% -10%,
        oklch(0.885 0.19 122 / 0.07),
        transparent 60%
      ),
      radial-gradient(
        70rem 50rem at -10% 110%,
        oklch(0.78 0.12 222 / 0.06),
        transparent 55%
      ),
      linear-gradient(
        to right,
        oklch(1 0 0 / 0.018) 1px,
        transparent 1px
      ),
      linear-gradient(
        to bottom,
        oklch(1 0 0 / 0.018) 1px,
        transparent 1px
      );
    background-size: 100% 100%, 100% 100%, 56px 56px, 56px 56px;
    background-attachment: fixed;
  }

  ::selection {
    background: oklch(0.885 0.19 122 / 0.28);
  }

  /* refined dark scrollbars */
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-thumb {
    background: oklch(1 0 0 / 0.1);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: content-box;
  }
  ::-webkit-scrollbar-thumb:hover { background: oklch(1 0 0 / 0.18); background-clip: content-box; }
}

@layer utilities {
  .font-display { font-family: var(--font-display); }
  .text-balance { text-wrap: balance; }

  /* the live-signal pulse used for "fired / active" states */
  .signal-dot {
    box-shadow: 0 0 0 0 var(--color-primary);
    animation: signal-pulse 1.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  }
  @keyframes signal-pulse {
    0% { box-shadow: 0 0 0 0 oklch(0.885 0.19 122 / 0.5); }
    70% { box-shadow: 0 0 0 8px oklch(0.885 0.19 122 / 0); }
    100% { box-shadow: 0 0 0 0 oklch(0.885 0.19 122 / 0); }
  }

  /* staggered entrance for panels */
  .reveal {
    opacity: 0;
    animation: reveal-up 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }
  @keyframes reveal-up {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hairline {
    background-image: linear-gradient(to right, transparent, var(--color-border), transparent);
  }
}