@import "tailwindcss";

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

/* Clinical surface tokens — swap under .dark */
:root {
  --surface: #f1f5f9;
  --surface-raised: #ffffff;
  --surface-muted: #e2e8f0;
  --border-default: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --brand-muted-fill: #ccfbf1;
  --brand-muted-text: #0f766e;
}

.dark {
  --surface: #0f172a;
  --surface-raised: #1e293b;
  --surface-muted: #334155;
  --border-default: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --brand-muted-fill: rgba(15, 118, 110, 0.25);
  --brand-muted-text: #5eead4;
}

@theme {
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol";

  /* Brand accent (teal) */
  --color-brand: #0f766e;
  --color-brand-hover: #0d9488;
  --color-brand-muted: #ccfbf1;
  --color-brand-foreground: #ffffff;
  --color-brand-soft: var(--brand-muted-fill);
  --color-brand-soft-text: var(--brand-muted-text);

  /* Surfaces */
  --color-surface: var(--surface);
  --color-surface-raised: var(--surface-raised);
  --color-surface-muted: var(--surface-muted);
  --color-border: var(--border-default);

  /* Semantic text helpers */
  --color-ink: var(--text-primary);
  --color-ink-secondary: var(--text-secondary);
  --color-ink-muted: var(--text-muted);

  /* Severity (clinical meaning preserved) */
  --color-severity-critical: #dc2626;
  --color-severity-critical-light: #fef2f2;
  --color-severity-critical-dark: #991b1b;
  --color-severity-warning: #d97706;
  --color-severity-warning-light: #fffbeb;
  --color-severity-warning-dark: #92400e;
  --color-severity-info: #0369a1;
  --color-severity-info-light: #e0f2fe;
  --color-severity-info-dark: #075985;

  /* Status */
  --color-status-open: #ef4444;
  --color-status-acknowledged: #d97706;
  --color-status-resolved: #16a34a;
  --color-status-escalated: #b45309;

  /* Risk */
  --color-risk-low: #16a34a;
  --color-risk-medium: #d97706;
  --color-risk-high: #ef4444;
}

/* 8px spacing rhythm — use Tailwind scale steps 2, 4, 6, 8, 12, 16 */
@layer base {
  html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    margin: 0;
    min-height: 100svh;
    font-family: var(--font-sans);
    background-color: var(--surface);
    color: var(--text-primary);
  }

  #app {
    min-height: 100svh;
  }
}