/* Cassandra — design tokens: palette, dark-theme overrides, font stacks.
 * Must load first so all other files can var(--foo). */

:root {
  /* Light theme (default) */
  --bg:        #f5f3ec;       /* warm off-white, easier on the eyes than pure white */
  --surface:   #ffffff;
  --surface-2: #efece3;
  --border:    #d6d3cb;
  --text:      #1c1f25;
  --muted:     #545b69;
  --dim:       #8a8f9a;
  --accent:    #0e7490;       /* deep teal — still terminal-feel on light */
  --positive:  #166534;
  --negative:  #b91c1c;
  --alert:     #c2410c;
  --warning:   #a16207;
  --user-bubble-bg: rgba(14, 116, 144, 0.07);
}

[data-theme="dark"] {
  --bg:        #0a0e14;
  --surface:   #11151c;
  --surface-2: #161b25;
  --border:    #2a3142;
  --text:      #d4dae8;       /* lifted from #c0caf5 for readability */
  --muted:     #8189a1;       /* lifted from #565f89 — was unreadably dim */
  --dim:       #565f89;
  --accent:    #00d9ff;
  --positive:  #50fa7b;
  --negative:  #ff5b5b;
  --alert:     #ff8a4a;
  --warning:   #f1fa8c;
  --user-bubble-bg: rgba(0, 217, 255, 0.08);
}

/* Font stacks. Mono for terminal feel; sans for reading. */
:root {
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Fira Code', ui-monospace, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto,
               'Helvetica Neue', system-ui, sans-serif;
}

* { box-sizing: border-box; }