.preset.aqua_classic {
  --font: 'Inter', 'Lucida Grande', sans-serif;
  --accent: #4D90FE; --accent-strong: #3870c5; --accent-on: #fff;
  --bg: linear-gradient(180deg, #d5e0ec, #b0c5dc);
  --surface: linear-gradient(180deg, #fff, #e6e6e6);
  --on-surface: #000; --label-color: #303030;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-btn: 999px;
  --pad-y: 9px; --pad-x: 12px;
  --shadow-form: 0 8px 24px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.6);
  --input-border: 1px solid #888;
  --input-shadow: inset 0 1px 0 rgba(255,255,255,0.4), inset 0 -1px 0 rgba(0,0,0,0.06);
  --gap-field: 11px;
}
.preset.aqua_classic .btn-primary {
  background: linear-gradient(180deg, #6da8ff, #2768d8);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 1px 2px rgba(0,0,0,0.2);
}
.preset.aqua_classic input {
  background: linear-gradient(180deg, #fff, #e6e6e6);
}