/* ===== Base layout ===== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0b0b0b;
  color: #f2f2f2;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: #111;
  padding: 1rem;
  text-align: center;
  border-bottom: 1px solid #1d1d1d;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
  color: #22c55e;
  letter-spacing: 1px;
}

main {
  flex: 1;
  padding: 1.2rem;
}

/* ===== Album grid ===== */
.album-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.album {
  background: #181818;
  border-radius: 10px;
  width: 220px;
  padding: 0.8rem;
  text-align: center;
  transition: transform 0.2s ease, background 0.2s;
  cursor: pointer;
}
.album:hover {
  background: #1f1f1f;
  transform: scale(1.03);
}
.album img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 0.6rem;
}
.album h3 {
  margin: 0.3rem 0 0.2rem;
  color: #fff;
}
.album p {
  color: #999;
  margin: 0;
  font-size: 0.9rem;
}

/* ===== Song list ===== */
.song-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.song {
  width: 90%;
  background: #151515;
  border-radius: 8px;
  padding: 0.7rem 1rem;
  text-align: center;
  transition: background 0.2s;
  cursor: pointer;
}
.song:hover {
  background: #22c55e20;
}

/* ===== Player ===== */
#player {
  position: sticky;
  bottom: 0;
  width: 100%;
  background: #101010;
  border-top: 1px solid #222;
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.5);
  z-index: 20;
}

#player-info {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  text-align: center;
  max-width: 90%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#player-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.5rem;
}

#player-controls button {
  background: #1c1c1c;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.2em;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
#player-controls button:hover {
  background: #22c55e;
  color: #000;
  transform: scale(1.05);
}

#progress {
  -webkit-appearance: none;
  width: 90%;
  height: 6px;
  border-radius: 5px;
  background: #333;
  outline: none;
  cursor: pointer;
}
#progress::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #22c55e;
  cursor: pointer;
}
#progress::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #22c55e;
  cursor: pointer;
}

#time {
  display: flex;
  justify-content: space-between;
  width: 88%;
  font-size: 0.85rem;
  color: #aaa;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  font-size: 0.85rem;
  color: #777;
  background: #111;
  padding: 0.6rem;
}

/* ===== Buttons (Back etc.) ===== */
button {
  background: #22c55e;
  border: none;
  border-radius: 6px;
  color: #000;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s;
}
button:hover {
  background: #34d36d;
}

/* ===== Responsive adjustments ===== */
@media (max-width: 700px) {
  header h1 {
    font-size: 1.5rem;
  }
  main {
    padding: 1rem;
  }
  .album {
    width: 90%;
  }
  #player-controls button {
    width: 40px;
    height: 40px;
    font-size: 1.1em;
  }
  #progress {
    width: 95%;
  }
  #time {
    width: 95%;
  }
  .song {
    width: 95%;
    font-size: 0.95rem;
  }
}