#main-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#header-container {
  padding: 6px 16px;
  background-color: #222;
  color: white;
  border-bottom: 1px solid #333;
}

#browser-container {
  flex: 1 1 0;
  overflow-y: auto;
  padding: 2px 6px;
  background-color: #1f1e1e;
  color: white;
}

#player-container {
  height: 25vh;
  background-color: rgb(42, 42, 42);
  overflow-y: auto;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  height: 100%;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  margin: 0;
  padding: 0;
}

#audio-player {
  display: flex;
  justify-content: center;
  background-color: #353535;
  position: sticky;
  top: 0;
}

#player-audio {
  width: 100%;
}

#file-list {
  list-style: none;
  padding-left: 0;
  margin: 2px 0;
}
#file-list > li {
  margin: 4px 0;
}
#file-list button.load-sub-btn {
  margin-left: 8px;
  font-size: 0.8rem;
  cursor: pointer;
}
#file-list .sub-file-list {
  list-style: none;
  margin: 3px 0 4px 20px;
  padding-left: 0;
}
#file-list .file-item > span:hover {
  text-decoration: underline;
}
#file-list .dir-item > span {
  cursor: pointer;
}
#file-list .dir-item > span:hover {
  text-decoration: underline;
}

.sub-file-list li {
  margin: 2px 0;
}

/* Queue styling (Steps 9-10) */
#play-queue {
  margin-top: 12px;
  font-size: 0.95rem;
}
#play-queue h3 {
  display: none;
}

.queue-current {
  font-weight: 600;
  background: #70006c;
  padding: 4px 6px;
  border-radius: 4px;
  margin-bottom: 6px;
  margin-left: 16px;
  margin-right: 16px;
  color: rgb(209, 209, 209);
}

.queue-upcoming {
  margin-top: 0;
  list-style: none;
  padding-left: 0;
  margin-left: 16px;
  margin-right: 16px;
}

.queue-upcoming li {
  border: 1px solid #330031;
  border-radius: 4px;
  margin-bottom: 4px;
  color: rgb(200, 200, 200);
}

.queue-item {
  padding: 2px 4px;
}

.queue-item span:hover {
  text-decoration: underline;
}

.queue-remove {
  margin-left: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: #888;
  font-size: 0.8rem;
  padding: 2px 4px;
}
.queue-remove:hover {
  color: #b00020;
}
.queue-empty {
  color: #9c9c9c;
  font-style: italic;
  text-align: center;
}
.file-item.queued {
  opacity: 0.7;
}

/* Loading / status styles */
#file-list .loading,
#file-list .status-msg {
  color: rgb(182, 182, 182);
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 6px;
}

.spinner {
  display: inline-block;
  animation: pulse 1s ease-in-out infinite;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.15));
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.35) rotate(10deg);
    opacity: 0.4;
  }
}

#file-list .error {
  color: #b00020;
  font-style: normal;
  font-weight: 500;
}