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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #111;
  color: #eee;
  line-height: 1.5;
  padding: 40px 20px;
}

.container {
  max-width: 600px;
  margin: 0 auto;
}

h1 {
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.back {
  display: inline-block;
  margin-bottom: 30px;
  color: #888;
  text-decoration: none;
  font-size: 0.9rem;
}

.back:hover {
  color: #ccc;
}

.tracks {
  margin-top: 36px;
}

.track {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.track-cover {
  position: relative;
  width: 68px;
  height: 68px;
  flex-shrink: 0;
  background: #222;
  overflow: hidden;
  border-radius: 3px;
  cursor: pointer;
}

.track-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.25s;
}

/* Triangle play */
.track-cover::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-40%, -50%);
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 15px solid white;
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}

.track-cover:hover img {
  opacity: 0.55;
}

.track-cover:hover::after {
  opacity: 0.9;
}

.track-info {
  flex-grow: 1;
  min-width: 0;
}

.track-title {
  font-size: 1.08rem;
  margin-bottom: 6px;
  color: #ddd;
}

audio {
  width: 100%;
  height: 32px;
}

/* ===== Modal ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.88);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  background: transparent;
  text-align: center;
}

.close {
  position: absolute;
  top: -36px;
  right: 0;
  font-size: 32px;
  color: #ccc;
  cursor: pointer;
  line-height: 1;
  z-index: 10;
}

.close:hover {
  color: white;
}

#video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 6px;
  background: #000;
}

#video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.banner-link {
  display: block;
  margin: 0 auto 32px auto;
  text-align: center;
  max-width: 600px;
}

.banner {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}