:root {
  /* ================================
     BRAND / PRIMARY
     ================================ */
  --primary: #553fae;
  --primary-hover: #4a36a0;
  --primary-active: #422f8f;
  --primary-soft: #f0ecfa;
  --primary-soft-hover: #e7e1f7;
  --primary-rgb: 85, 63, 174;

  /* ================================
     DARK / CONTRAST
     ================================ */
  --dark: #302462;
  --dark-elevated: #3a2d72;
  --dark-hover: #443680;
  --dark-rgb: 48, 36, 98;

  /* ================================
     TEXT
     ================================ */
  --text-primary: #171827;
  --text-secondary: #626879;
  --text-muted: #8b91a1;
  --text-disabled: #b5b9c4;
  --text-on-primary: #ffffff;
  --text-on-dark: #ffffff;
  --text-on-dark-muted: #a8a5b5;

  /* ================================
     BACKGROUNDS / SURFACES
     ================================ */
  --background: #f8f8fa;
  --surface: #ffffff;
  --surface-soft: #f5f3fa;
  --surface-hover: #f1f1f5;

  /* ================================
     BORDERS / DIVIDERS
     ================================ */
  --border: #e5e6ec;
  --border-strong: #d5d7e0;
  --border-focus: #553fae;

  /* ================================
     SEMANTIC COLORS
     ================================ */
  --success: #20a36a;
  --success-soft: #e9f8f1;
  --warning: #f59e0b;
  --warning-soft: #fff6df;
  --error: #e5484d;
  --error-soft: #fdebec;
  --info: #2f80ed;
  --info-soft: #eaf3ff;

  /* ================================
     ICONS
     ================================ */
  --icon-primary: #343746;
  --icon-secondary: #73798a;
  --icon-muted: #a0a5b2;
  --icon-on-primary: #ffffff;

  /* ================================
     OVERLAYS
     ================================ */
  --overlay-light: rgba(17, 16, 31, 0.04);
  --overlay-medium: rgba(17, 16, 31, 0.08);
  --overlay-dark: rgba(17, 16, 31, 0.55);

  /* ================================
     LEGACY ALIASES (existing CSS)
     ================================ */
  --bg: var(--surface);
  --canvas: var(--background);
  --ink: var(--dark);
  --ink-2: var(--text-primary);
  --surface-2: var(--surface-soft);
  --glass: rgba(255, 255, 255, 0.92);
  --text: var(--text-primary);
  --text-2: var(--text-secondary);
  --muted: var(--text-muted);
  --muted-2: var(--text-secondary);
  --accent: var(--primary);
  --accent-soft: var(--primary-soft);
  --accent-strong: var(--primary-hover);
  --accent-ink: var(--primary);
  --danger: var(--error);
  --success-ink: #1a8a58;
  --warn-soft: var(--warning-soft);
  --warn-ink: #b45309;
  --star: var(--warning);

  --shadow-sm: 0 1px 2px rgba(var(--dark-rgb), 0.04);
  --shadow: 0 8px 24px rgba(var(--dark-rgb), 0.06);
  --shadow-lg: 0 20px 48px rgba(var(--dark-rgb), 0.1);

  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --radius-pill: 999px;
  --nav-h: 70px;
  --font-display: "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  --dock-pad: 0.7rem;
  --site-max: 1240px;
  --site-gutter: 1.5rem;
  --header-h: 72px;

  /* Stacking scale (chrome above Leaflet map panes) */
  --z-base: 0;
  --z-raised: 1;
  --z-map: 1;
  --z-sticky: 30;
  --z-footer: 50;
  --z-header: 100;
  --z-cta: 150;
  --z-dock: 200;
  --z-sheet: 300;
  --z-toast: 400;
  --z-lightbox: 2000;
}