:root {
  --bg: #0b0f1a;
  --bg-soft: #141a2b;
  --gold: #f5b400;
  --gold-soft: #ffd873;
  --text: #eef1f7;
  --text-dim: #9aa3b5;
  --live: #ff4d4d;
}

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

html { -webkit-text-size-adjust: 100%; }

/* Oculto visualmente pero accesible para lectores de pantalla y SEO. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(120% 80% at 50% -10%, #1a2340 0%, var(--bg) 55%) fixed;
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  padding: env(safe-area-inset-top) 20px calc(env(safe-area-inset-bottom) + 24px);
}

.app {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding-top: 48px;
  text-align: center;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 240px;
  max-width: 78%;
  height: auto;
  filter: drop-shadow(0 8px 26px rgba(245, 180, 0, 0.28));
}

.tagline { color: var(--text-dim); font-size: 0.98rem; }

.player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.play-btn {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: radial-gradient(circle at 50% 40%, var(--gold-soft), var(--gold));
  box-shadow: 0 10px 30px rgba(245, 180, 0, 0.35);
  display: grid;
  place-items: center;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.play-btn:hover { transform: scale(1.04); }
.play-btn:active { transform: scale(0.97); }
.play-btn:focus-visible { outline: 3px solid var(--gold-soft); outline-offset: 4px; }

/* Ícono play (triángulo) por defecto */
.play-icon {
  width: 0; height: 0;
  border-style: solid;
  border-width: 22px 0 22px 36px;
  border-color: transparent transparent transparent var(--bg);
  margin-left: 8px;
}
/* Ícono pausa cuando suena */
.play-btn.is-playing .play-icon {
  width: 34px; height: 40px;
  border: none;
  margin-left: 0;
  background:
    linear-gradient(var(--bg), var(--bg)) left / 12px 100% no-repeat,
    linear-gradient(var(--bg), var(--bg)) right / 12px 100% no-repeat;
}

.status { font-size: 1.05rem; color: var(--text-dim); }
.status.is-live { color: var(--live); font-weight: 600; }

.now-playing { color: var(--gold-soft); font-size: 0.95rem; min-height: 1.2em; }

.social {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.social a {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--text);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease,
    background-color 0.2s ease;
}
.social a svg { width: 22px; height: 22px; display: block; }
.social a:hover {
  border-color: var(--gold);
  color: var(--gold-soft);
  background: rgba(245, 180, 0, 0.08);
  transform: translateY(-2px);
}
.social a:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.about {
  background: var(--bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 22px;
  text-align: left;
}
.about h2 { font-size: 1.1rem; margin-bottom: 10px; color: var(--gold-soft); }
.about p { color: var(--text-dim); line-height: 1.6; }

.footer { color: var(--text-dim); font-size: 0.82rem; margin-top: 4px; }

@media (min-width: 520px) {
  .logo { width: 280px; }
}