:root {
  --bg-start: #041226;
  --bg-mid: #0b2340;
  --bg-end: #12345e;
  --card: rgba(7, 26, 49, 0.8);
  --card-strong: rgba(6, 20, 37, 0.92);
  --line: #ff7a1a;
  --line-soft: #ffd166;
  --text: #f8fafc;
  --muted: #c7d2de;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 122, 26, 0.2), transparent 40%),
    radial-gradient(circle at 88% 85%, rgba(255, 209, 102, 0.14), transparent 32%),
    linear-gradient(145deg, var(--bg-start), var(--bg-mid) 45%, var(--bg-end));
  font-family: "Space Grotesk", sans-serif;
  overflow-x: hidden;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.4rem;
  position: relative;
}

.starfield {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.star {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.2));
  animation: twinkle var(--twinkle-duration, 3.4s) ease-in-out infinite;
  animation-delay: var(--twinkle-delay, 0s);
}

.ambient {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  pointer-events: none;
}

.ambient-a {
  width: 280px;
  height: 280px;
  top: 9%;
  left: -90px;
  background: radial-gradient(circle, rgba(255, 122, 26, 0.35), rgba(255, 122, 26, 0));
  animation: float 8s ease-in-out infinite;
}

.ambient-b {
  width: 240px;
  height: 240px;
  right: -84px;
  bottom: 7%;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.26), rgba(255, 209, 102, 0));
  animation: float 10s ease-in-out infinite reverse;
}

.player-card {
  width: min(100%, 520px);
  background: linear-gradient(170deg, rgba(13, 36, 64, 0.9), var(--card-strong));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 1.4rem 1.35rem 1.2rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.player-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.11), transparent 24%),
    linear-gradient(300deg, rgba(255, 122, 26, 0.14), transparent 35%);
  pointer-events: none;
}

.player-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  right: -90px;
  top: -90px;
  background: radial-gradient(circle, rgba(255, 122, 26, 0.3), rgba(255, 122, 26, 0));
  filter: blur(10px);
  z-index: -1;
}

.topbar {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.pill {
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  padding: 0.36rem 0.58rem;
  border-radius: 999px;
  font-weight: 700;
  color: #fff8ec;
  background: rgba(255, 122, 26, 0.24);
  border: 1px solid rgba(255, 166, 95, 0.44);
}

.pill.ghost {
  color: #d8e9ff;
  background: rgba(131, 177, 230, 0.12);
  border-color: rgba(173, 204, 245, 0.34);
}

.tag {
  margin: 1rem 0 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--line-soft);
  font-weight: 700;
  font-size: 0.72rem;
}

h1 {
  margin: 0.3rem 0 0.3rem;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(2.5rem, 6vw, 3.8rem);
  letter-spacing: 0.04em;
  line-height: 0.95;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  max-width: 44ch;
}

.equalizer {
  display: flex;
  align-items: end;
  gap: 6px;
  height: 34px;
  margin-top: 1rem;
}

.equalizer span {
  width: 5px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(to top, #ffd166, #ff7a1a);
  opacity: 0.6;
  transform-origin: bottom;
}

body.is-playing .equalizer span {
  opacity: 1;
  animation: bounce 1s ease-in-out infinite;
}

body.is-playing .equalizer span:nth-child(2) {
  animation-delay: 120ms;
}

body.is-playing .equalizer span:nth-child(3) {
  animation-delay: 200ms;
}

body.is-playing .equalizer span:nth-child(4) {
  animation-delay: 80ms;
}

body.is-playing .equalizer span:nth-child(5) {
  animation-delay: 240ms;
}

.status {
  margin: 1.1rem 0 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #fff3de;
  background: rgba(6, 15, 27, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 0.48rem 0.85rem;
}

.status::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9ca3af;
  box-shadow: 0 0 0 rgba(255, 106, 0, 0);
  transition: all 220ms ease;
}

.status.playing::before {
  background: var(--line);
  box-shadow: 0 0 16px rgba(255, 106, 0, 0.8);
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

.btn {
  border: 0;
  border-radius: 14px;
  min-height: 50px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  color: #041b31;
  background: linear-gradient(125deg, var(--line), var(--line-soft));
  box-shadow: 0 12px 26px rgba(255, 122, 26, 0.35);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.footnote {
  margin-top: 0.95rem;
  color: #c6d0dd;
  font-size: 0.78rem;
  opacity: 0.92;
}

@keyframes bounce {
  0%,
  100% {
    transform: scaleY(0.52);
  }
  50% {
    transform: scaleY(1.8);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.2;
    transform: scale(0.75);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 480px) {
  .player-card {
    padding: 1.05rem;
    border-radius: 22px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .pill {
    font-size: 0.67rem;
  }
}