* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #e3e4e8;
  --fg: #17181c;
  --ice-size: 2.4em;
  --bezier: cubic-bezier(0.42, 0, 0.58, 1);
  --trans-dur: 0.3s;
  font-size: calc(24px + (30 - 24) * (100vw - 320px) / (1280 - 320));
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font: 1em/1.5 "DM Sans", sans-serif;
  display: flex;
  min-height: 100vh;
  transition: background-color var(--trans-dur), color var(--trans-dur);
}

.rating {
  margin: auto;
}

.rating__stars {
  display: flex;
  gap: 0.25em;
  padding-bottom: 0.375em;
  position: relative;
}

.rating__input {
  position: absolute;
  appearance: none;
  -webkit-appearance: none;
}

.rating__label {
  cursor: pointer;
  padding: 0.125em;
}

.rating__iceblock {
  display: block;
  width: var(--ice-size);
  height: var(--ice-size);
  background-image: url("./bw_Eisscholle.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter: drop-shadow(0 0.12em 0.12em rgba(0, 0, 0, 0.18));
  transform: scale(1);
  transition: background-image var(--trans-dur), transform var(--trans-dur) var(--bezier), filter var(--trans-dur);
}

.rating__label:hover .rating__iceblock,
.rating__input:focus-visible + .rating__label .rating__iceblock {
  transform: scale(1.08);
}

/* Hover-Vorschau: alle Eisblöcke bis zum Hover-Ziel werden farbig */
.rating__input-1:hover ~ .rating__label:nth-of-type(-n + 1) .rating__iceblock,
.rating__input-2:hover ~ .rating__label:nth-of-type(-n + 2) .rating__iceblock,
.rating__input-3:hover ~ .rating__label:nth-of-type(-n + 3) .rating__iceblock,
.rating__input-4:hover ~ .rating__label:nth-of-type(-n + 4) .rating__iceblock,
.rating__input-5:hover ~ .rating__label:nth-of-type(-n + 5) .rating__iceblock,
.rating__input-1:checked ~ .rating__label:nth-of-type(-n + 1) .rating__iceblock,
.rating__input-2:checked ~ .rating__label:nth-of-type(-n + 2) .rating__iceblock,
.rating__input-3:checked ~ .rating__label:nth-of-type(-n + 3) .rating__iceblock,
.rating__input-4:checked ~ .rating__label:nth-of-type(-n + 4) .rating__iceblock,
.rating__input-5:checked ~ .rating__label:nth-of-type(-n + 5) .rating__iceblock {
  background-image: url("./Col_Eisscholle.png");
  filter: drop-shadow(0 0 0.28em rgba(113, 207, 233, 0.7));
}

.rating__input-1:checked ~ .rating__label:nth-of-type(-n + 1) .rating__iceblock,
.rating__input-2:checked ~ .rating__label:nth-of-type(-n + 2) .rating__iceblock,
.rating__input-3:checked ~ .rating__label:nth-of-type(-n + 3) .rating__iceblock,
.rating__input-4:checked ~ .rating__label:nth-of-type(-n + 4) .rating__iceblock,
.rating__input-5:checked ~ .rating__label:nth-of-type(-n + 5) .rating__iceblock {
  animation: icePop 0.45s ease-out both;
}

.rating__display {
  font-size: 1em;
  font-weight: 500;
  min-height: 1.25em;
  position: absolute;
  top: 100%;
  width: 100%;
  text-align: center;
}

.rating__input:hover ~ [data-rating]:not([hidden]) {
  display: none;
}

.rating__input-1:hover ~ [data-rating="1"][hidden],
.rating__input-2:hover ~ [data-rating="2"][hidden],
.rating__input-3:hover ~ [data-rating="3"][hidden],
.rating__input-4:hover ~ [data-rating="4"][hidden],
.rating__input-5:hover ~ [data-rating="5"][hidden],
.rating__input:checked:hover ~ [data-rating]:not([hidden]) {
  display: block;
}

.rating__sr {
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
  position: absolute;
  width: 1px;
  height: 1px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181c;
    --fg: #e3e4e8;
  }
}

@keyframes icePop {
  0% { transform: scale(0.86) rotate(-4deg); }
  55% { transform: scale(1.14) rotate(3deg); }
  100% { transform: scale(1) rotate(0); }
}