frontend/src/index.css

:root {
  color-scheme: light;
  /* Light default — same purple / teal accent family as the dark LLMChats theme */
  --lc-bg: #f8f7fb;
  --lc-bg2: #eef0f7;
  --lc-sidebar: #ffffff;
  --lc-elevated: #ffffff;
  --lc-input: #ffffff;
  --lc-border: #e2e0ea;
  --lc-text: #1c1917;
  --lc-muted: #6b7280;
  --lc-placeholder: #9ca3af;
  --lc-accent: #7c3aed;
  --lc-accent2: #059669;
  --lc-hover: rgba(124, 58, 237, 0.08);
  --lc-selected: rgba(124, 58, 237, 0.12);
  --lc-bubble: #f4f2f9;
  --lc-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--lc-bg);
  color: var(--lc-text);
}

#root {
  height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

button,
input,
textarea {
  font-family: inherit;
}