/* Тема «Зима» — северное сияние, лёд, звёзды и силуэт тайги */
[data-theme="winter"] {
  --bg: #04070d;
  --bg-2: #070b14;
  --card: rgba(255, 255, 255, 0.035);
  --stroke: rgba(180, 215, 255, 0.1);
  --txt: #e8eefb;
  --muted: #8895ad;
  --accent: #3fe6cf;
  --accent2: #5f9dff;
  --accent3: #a97cff;
  --ok: #3fe6cf;
}

[data-theme="winter"] .aurora i:nth-child(1) {
  background: linear-gradient(90deg, #1fe3c2, #3f8dff 60%, transparent);
}
[data-theme="winter"] .aurora i:nth-child(2) {
  background: linear-gradient(90deg, transparent, #4f7dff 35%, #a06bff);
}
[data-theme="winter"] .aurora i:nth-child(3) {
  background: linear-gradient(90deg, #22e6c8, #b07cff);
}
[data-theme="winter"] .aurora i:nth-child(4) {
  background: radial-gradient(circle, #1a5cff, transparent 68%);
}

[data-theme="winter"] .lattice {
  background-image: repeating-linear-gradient(
      60deg,
      rgba(140, 205, 255, 0.05) 0 1px,
      transparent 1px 46px
    ),
    repeating-linear-gradient(-60deg, rgba(140, 205, 255, 0.05) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(140, 205, 255, 0.028) 0 1px, transparent 1px 46px);
}

[data-theme="winter"] .mote {
  background: #d8f2ff;
  box-shadow: 0 0 7px rgba(190, 230, 255, 0.75);
}

[data-theme="winter"] .case-cover {
  background: linear-gradient(135deg, #0d2333, #112a44);
}

[data-theme="winter"] .svc-ico,
[data-theme="winter"] .step-n {
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
}

[data-theme="winter"] .constellation .st {
  fill: #d5ecff;
}