html[data-theme="toxa"] {
  --accent: #2f5d50;
  --accent-text: #f7f7f5;
  --font: "IBM Plex Sans", "Source Sans 3", system-ui, sans-serif;
}
html[data-theme="toxa"][data-scheme="light"] {
  --login-bg: #f7f7f5;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
html[data-theme="toxa"][data-scheme="dark"] {
  --accent: #5ea892;
  --accent-text: #0e1513;
  --login-bg: radial-gradient(ellipse at top, #1a2420 0%, #0d1110 70%);
}
html[data-theme="toxa"] .login-card,
html[data-theme="toxa"] .btn { border-radius: 4px; }