:root {
  color: #222;
  background: #fbfaf7;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

body {
  margin: 0;
}

button,
input {
  font: inherit;
}

.de-audioquiz-page {
  width: min(100% - 32px, 920px);
  margin: 0 auto;
  padding: 40px 0 132px;
}

.de-audioquiz-header {
  max-width: 46rem;
}

.de-audioquiz-back {
  color: #666;
  font-size: 0.9rem;
  text-decoration: none;
}

.de-audioquiz-back:hover,
.de-audioquiz-back:focus-visible {
  color: #222;
  text-decoration: underline;
}

.de-audioquiz-header h1 {
  margin: 12px 0 0;
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.de-audioquiz-header p,
.de-audioquiz-section-head p,
.de-audioquiz-reference p {
  margin: 12px 0 0;
  color: #555;
}

.de-audioquiz-reference {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding: 20px;
  background: #fff;
  border: 1px solid #e6e0d8;
  border-radius: 8px;
}

.de-audioquiz-reference h2,
.de-audioquiz-section-head h2,
.de-audioquiz-card h3 {
  margin: 0;
  line-height: 1.35;
  letter-spacing: 0;
}

.de-audioquiz-quiz {
  margin-top: 30px;
}

.de-audioquiz-section-head {
  max-width: 44rem;
}

.de-audioquiz-questions {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.de-audioquiz-card {
  min-width: 0;
  padding: 18px;
  background: #fff;
  border: 1px solid #e6e0d8;
  border-radius: 8px;
}

.de-audioquiz-card-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.de-audioquiz-card-title {
  display: grid;
  gap: 8px;
  align-items: start;
}

.de-audioquiz-difficulty {
  display: inline-flex;
  width: fit-content;
  min-height: 28px;
  align-items: center;
  padding: 2px 10px;
  color: #4d4032;
  background: #f3eee7;
  border: 1px solid #e0d6ca;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
}

.de-audioquiz-prompt {
  margin: 16px 0 0;
  color: #444;
  font-weight: 700;
}

.de-audioquiz-play,
.de-audioquiz-button {
  min-height: 44px;
  border: 1px solid #d8d0c5;
  border-radius: 8px;
  cursor: pointer;
}

.de-audioquiz-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  color: #222;
  background: #fff;
  white-space: nowrap;
}

.de-audioquiz-play:hover,
.de-audioquiz-play:focus-visible,
.de-audioquiz-button:hover,
.de-audioquiz-button:focus-visible {
  border-color: #9f927f;
  outline: 2px solid #eee4d7;
  outline-offset: 2px;
}

.de-audioquiz-play-icon {
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 10px solid currentColor;
}

.de-audioquiz-play[aria-pressed="true"] {
  color: #fff;
  background: #222;
  border-color: #222;
}

.de-audioquiz-play[aria-pressed="true"] .de-audioquiz-play-icon {
  width: 10px;
  height: 14px;
  border: 0;
  background:
    linear-gradient(currentColor, currentColor) left / 4px 100% no-repeat,
    linear-gradient(currentColor, currentColor) right / 4px 100% no-repeat;
}

.de-audioquiz-choices {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.de-audioquiz-choice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px;
  background: #fbfaf7;
  border: 1px solid #e6e0d8;
  border-radius: 8px;
  cursor: pointer;
}

.de-audioquiz-choice:hover,
.de-audioquiz-choice:focus-within {
  border-color: #b8ab99;
}

.de-audioquiz-choice input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.24em;
  accent-color: #222;
}

.de-audioquiz-answer {
  margin-top: 14px;
  padding: 12px;
  color: #222;
  background: #f3f8f1;
  border: 1px solid #d7e7d1;
  border-radius: 8px;
}

.de-audioquiz-answer[hidden] {
  display: none;
}

.de-audioquiz-answer strong {
  display: block;
}

.de-audioquiz-answer p {
  margin: 8px 0 0;
  color: #4a5d45;
}

.de-audioquiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.de-audioquiz-button {
  padding: 9px 18px;
  color: #222;
  background: #fff;
}

.de-audioquiz-button-primary {
  color: #fff;
  background: #222;
  border-color: #222;
}

.de-audioquiz-playerbar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 20;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgb(251 250 247 / 0.94);
  border-top: 1px solid #e6e0d8;
  backdrop-filter: blur(10px);
}

.de-audioquiz-playerbar-inner {
  display: grid;
  grid-template-columns: auto minmax(180px, 320px);
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: min(100%, 920px);
  margin: 0 auto;
}

.de-audioquiz-play-compact {
  min-width: 168px;
}

.de-audioquiz-volume {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  align-items: center;
  gap: 10px;
  color: #555;
  font-size: 0.9rem;
  font-weight: 700;
}

.de-audioquiz-volume input {
  width: 100%;
  min-height: 34px;
  accent-color: #222;
  cursor: pointer;
}

@media (max-width: 680px) {
  .de-audioquiz-page {
    padding: 28px 0 150px;
  }

  .de-audioquiz-reference,
  .de-audioquiz-card-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .de-audioquiz-play,
  .de-audioquiz-button {
    width: 100%;
  }

  .de-audioquiz-playerbar {
    padding-right: 12px;
    padding-left: 12px;
  }

  .de-audioquiz-playerbar-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .de-audioquiz-play-compact {
    min-width: 0;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    color: #f2eee8;
    background: #171513;
  }

  .de-audioquiz-back,
  .de-audioquiz-header p,
  .de-audioquiz-section-head p,
  .de-audioquiz-reference p {
    color: #c8bfb3;
  }

  .de-audioquiz-reference,
  .de-audioquiz-card,
  .de-audioquiz-play,
  .de-audioquiz-button,
  .de-audioquiz-playerbar {
    color: #f2eee8;
    background: #24211e;
    border-color: #4a4138;
  }

  .de-audioquiz-volume {
    color: #c8bfb3;
  }

  .de-audioquiz-volume input {
    accent-color: #f2eee8;
  }

  .de-audioquiz-difficulty,
  .de-audioquiz-choice {
    color: #f2eee8;
    background: #2d2924;
    border-color: #4a4138;
  }

  .de-audioquiz-prompt {
    color: #e6ded4;
  }

  .de-audioquiz-answer {
    color: #edf7ea;
    background: #1e2a1c;
    border-color: #385234;
  }

  .de-audioquiz-answer p {
    color: #c7ddc1;
  }

  .de-audioquiz-button-primary,
  .de-audioquiz-play[aria-pressed="true"] {
    color: #171513;
    background: #f2eee8;
    border-color: #f2eee8;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}