.nio-article-audio {
  --nio-audio-navy: #0b2a49;
  --nio-audio-navy-deep: #061a2f;
  --nio-audio-green: #078b63;
  --nio-audio-cyan: #3dc8ff;
  --nio-audio-white: #ffffff;
  --nio-audio-muted: #d9e5ee;
  width: 100%;
  margin: 0 0 24px;
  padding: 18px 20px;
  overflow: hidden;
  border: 1px solid rgba(61, 200, 255, 0.3);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--nio-audio-navy-deep), var(--nio-audio-navy));
  box-shadow: 0 8px 24px rgba(6, 26, 47, 0.14);
  color: var(--nio-audio-white);
  font-family: Roboto, GlacialIndifference, Arial, sans-serif;
  box-sizing: border-box;
}

.nio-article-audio *,
.nio-article-audio *::before,
.nio-article-audio *::after {
  box-sizing: border-box;
}

.nio-article-audio__heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.nio-article-audio__heading h2 {
  margin: 0;
  color: var(--nio-audio-white);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.2;
}

.nio-article-audio__icon {
  display: inline-grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--nio-audio-green);
  color: var(--nio-audio-white);
  font-size: 1.05rem;
  font-weight: 700;
}

.nio-article-audio__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.nio-article-audio__button,
.nio-article-audio__speed select {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 9px;
  font: inherit;
}

.nio-article-audio__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--nio-audio-white);
  cursor: pointer;
  font-weight: 700;
  line-height: 1.1;
}

.nio-article-audio__button:hover {
  background: rgba(255, 255, 255, 0.17);
}

.nio-article-audio__button--primary {
  border-color: var(--nio-audio-green);
  background: var(--nio-audio-green);
}

.nio-article-audio__button--primary:hover {
  background: #09a477;
}

.nio-article-audio__button:focus-visible,
.nio-article-audio input:focus-visible,
.nio-article-audio select:focus-visible {
  outline: 3px solid var(--nio-audio-cyan);
  outline-offset: 3px;
}

.nio-article-audio__speed {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--nio-audio-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.nio-article-audio__speed select {
  padding: 6px 30px 6px 10px;
  background: var(--nio-audio-white);
  color: var(--nio-audio-navy-deep);
}

.nio-article-audio__description {
  margin: 13px 0 8px;
  color: var(--nio-audio-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.nio-article-audio__continue {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  color: var(--nio-audio-white);
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
}

.nio-article-audio__continue input {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  margin: 0;
  accent-color: var(--nio-audio-green);
}

.nio-article-audio__status,
.nio-article-audio__unsupported {
  margin: 11px 0 0;
  color: var(--nio-audio-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.nio-article-audio [data-reader-action="radio-handoff"] {
  margin-top: 12px;
}

.nio-article-audio [hidden] {
  display: none !important;
}

@media (max-width: 600px) {
  .nio-article-audio {
    padding: 16px;
    border-radius: 12px;
  }

  .nio-article-audio__controls {
    align-items: stretch;
  }

  .nio-article-audio__button {
    flex: 1 1 132px;
  }

  .nio-article-audio__speed {
    width: 100%;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nio-article-audio *,
  .nio-article-audio *::before,
  .nio-article-audio *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}