/* bioluminescent-deep — abyss black + cyan + magenta glow. Deep-sea,
   sci-fi, pressurised feel. Lit by living chemistry, not sun. */
[data-theme="bioluminescent-deep"] {
  --bg:               #050B14;
  --bg-overlay:       rgba(0, 240, 220, 0.03);
  --panel:            #0A1622;
  --panel-edge:       rgba(0, 240, 220, 0.30);
  --ink:              #E0F4FF;
  --ink-soft:         rgba(224, 244, 255, 0.78);
  --ink-dim:          rgba(224, 244, 255, 0.50);
  --accent:           #2FE3D6;        /* bioluminescent cyan */
  --accent-2:         #FF4FA8;        /* siphonophore magenta */
  --rule:             rgba(47, 227, 214, 0.22);
  --ornament-fill:    #2FE3D6;
  --shadow-panel:     0 18px 48px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(47, 227, 214, 0.10);
  --radius-panel:     8px;
  --btn-bg:           linear-gradient(180deg, #0F2030 0%, #0A1622 100%);
  --btn-ink:          #E0F4FF;
  --btn-edge:         #2FE3D6;
  --btn-hover-bg:     linear-gradient(180deg, #163048 0%, #0F2030 100%);
  --focus-ring:       #FF4FA8;
  --font-display:     'IBM Plex Sans', 'Inter', sans-serif;
  --font-body:        'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  --font-mono:        'IBM Plex Mono', 'JetBrains Mono', ui-monospace, monospace;
  --tracking-display: 0.18em;
  --weight-display:   500;
  --texture-panel:    none;
  --texture-hero-veil: radial-gradient(ellipse at 50% 30%, rgba(47,227,214,0.10), transparent 60%), linear-gradient(180deg, rgba(5,11,20,0.65) 0%, rgba(5,11,20,0.92) 100%);
}