@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@tailwind base;
@tailwind components;
@tailwind utilities;

/* ─── Base token defaults (light) — overridden by JS applyTheme() ──── */
:root {
  --color-bg:             #f8fafc;
  --color-surface:        #ffffff;
  --color-surface-raised: #f1f5f9;
  --color-border:         #e2e8f0;
  --color-text-primary:   #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted:     #94a3b8;
  --color-accent:         #6366f1;
  --color-accent-light:   #e0e7ff;
}

/* ─── Smooth theme transitions on every surface ───────────────────── */
*, *::before, *::after {
  transition-property: background-color, color, border-color;
  transition-duration: 200ms;
  transition-timing-function: ease;
}

/* But NOT on animations / transforms */
[data-no-transition], [data-no-transition] * {
  transition: none !important;
}

/* ─── Base body ───────────────────────────────────────────────────── */
body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Scrollbar styling ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ─── Focus ring ───────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ─── Utility layer ────────────────────────────────────────────────── */
@layer utilities {
  .bg-surface        { background-color: var(--color-surface); }
  .bg-surface-raised { background-color: var(--color-surface-raised); }
  .bg-app            { background-color: var(--color-bg); }
  .border-theme      { border-color: var(--color-border); }
  .text-primary      { color: var(--color-text-primary); }
  .text-secondary    { color: var(--color-text-secondary); }
  .text-muted        { color: var(--color-text-muted); }
  .text-accent       { color: var(--color-accent); }
  .bg-accent         { background-color: var(--color-accent); }
  .bg-accent-light   { background-color: var(--color-accent-light); }
  .ring-accent       { --tw-ring-color: var(--color-accent); }
}