:root {
  /* Lexxy — charte graphique */
  --color-primary: #7c3aed;
  --color-primary-hover: #6d28d9;
  --color-primary-light: #a78bfa;
  --color-primary-dim: #f3f0ff;
  --color-secondary: #1e1b4b;
  --color-accent-lavender: #f3f0ff;
  --color-accent-lavender-deep: #ede9fe;

  --color-bg: #f8f9ff;
  --color-bg-elevated: #ffffff;
  --color-bg-surface: #f3f0ff;
  --color-bg-hover: #ede9fe;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;

  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-text-dim: #9ca3af;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #7c3aed;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 4px 16px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 8px 32px rgba(17, 24, 39, 0.08);
  --shadow-card: 0 1px 3px rgba(17, 24, 39, 0.05), 0 4px 12px rgba(124, 58, 237, 0.04);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.2s ease;
  --sidebar-width: 240px;
  --panel-header-height: 52px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body, #app {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  touch-action: manipulation;
}

input, select, textarea {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

::-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-dim);
}