:root{
  /* ---- Palette (Northern Mockingbird) ---- */
  --mo-charcoal:#2D3236;      /* Charcoal Feather — primary text, dark surfaces */
  --mo-gray:#6D777C;          /* Mockingbird Gray — secondary text, icons */
  --mo-slate:#8F999D;         /* Slate Mid-tone — tertiary/muted */
  --mo-dune:#B1A89F;          /* Leg & Beak Dune — subtle detail, 2nd avatar */
  --mo-cream-top:#F6EFE1;     /* screen gradient top */
  --mo-cream:#EFE6D5;         /* Pale Cream — page base */
  --mo-cream-deep:#EBE1CF;    /* gradient bottom */
  --mo-white:#FFFFFF;         /* Frost White — cards */

  /* ---- Accents (warm "song") ---- */
  --mo-terra:#C9772C;         /* primary accent — CTAs, active, send, "OS" */
  --mo-terra-press:#A85F1F;   /* pressed/hover-dark */
  --mo-amber:#D98A3D;         /* secondary accent — avatars, LCD, waveform */

  /* ---- Protected health lane (green) ---- */
  --mo-lane:#5A9E7A;
  --mo-lane-deep:#4A7D61;
  --mo-lane-tint:rgba(90,158,122,.12);

  /* ---- Semantic aliases ---- */
  --text-primary:var(--mo-charcoal);
  --text-secondary:var(--mo-gray);
  --text-muted:var(--mo-slate);
  --text-on-dark:var(--mo-cream-top);
  --accent:var(--mo-terra);
  --accent-press:var(--mo-terra-press);
  --accent-soft:var(--mo-amber);
  --surface-card:var(--mo-white);
  --surface-dark:var(--mo-charcoal);
  --surface-page:linear-gradient(180deg,#F6EFE1 0%, #EFE6D5 46%, #EBE1CF 100%);
  --border-soft:rgba(45,50,54,.1);
  --border-hair:rgba(45,50,54,.06);
}