/* Honor Choir Academy — single source of truth for the site color palette.
   Loaded by app/tonal-memory-trainer.html and app/scales-triads.html via
   <link rel="stylesheet" href="assets/hca-theme.css">. Edit colors HERE only.
   Works over file:// and when served from backend/public (assets/ symlink). */
:root{--bg:#171436;--bg-deep:#0e0a2440;--surface:#221B4D;--surface-2:#45307D;--line:#473d7d;--amber:#FFC93A;--mint:#46C96C;--coral:#FF5DA2;--purple:#B16CFF;--purple-light:#6D59B6;--purple-med:#56439C;--purple-dark:#342768;--cyan:#34E0F0;--ink:#FFFFFF;--ink-mid:#D7C9FF;--ink-dim:#B6A9E8;--shadow:0 22px 50px -20px rgba(70,20,130,.6);--score-excellent:#46C96C;--score-strong:#2D9E55;--score-developing:#F6C33B;--score-needs-work:#F29B38;--score-retry:#E55A5A;--gold-top:#F6C54F;--gold-bottom:#D89A1B;--gold-border:#FFD56A;--gold-shadow:#B57D16;--emerald-top:#46C96C;--emerald-bottom:#2D9E55;--emerald-border:rgba(106,230,138,.30);--emerald-shadow:#1B5C34;--emerald-glow:rgba(70,201,108,.22);}