/* Settings app styles */
.settings-container {
  display: flex;
  height: 100%;
  background-color: #010c17;
}

.settings-tabs {
  width: 120px;
  border-right: 1px solid #0a4a7a;
  display: flex;
  flex-direction: column;
  background-color: #0a1a2a;
}

.settings-tab {
  background: none;
  border: none;
  color: #cbe0f0;
  padding: 12px 16px;
  text-align: left;
  font-family: monospace;
  cursor: pointer;
  transition: background 0.1s;
}

.settings-tab:hover {
  background-color: #0a2a44;
  color: #0aacff;
}

.settings-tab.active {
  background-color: #0a2a44;
  color: #0aacff;
  border-left: 3px solid #0aacff;
}

.settings-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.settings-pane {
  display: none;
}

.settings-pane.active {
  display: block;
}

.settings-pane h3 {
  margin-top: 0;
  color: #0aacff;
}

.settings-pane input[type="range"] {
  width: 200px;
  margin: 8px 0;
}

.settings-pane kbd {
  background-color: #0a2a44;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  color: #00ff88;
}

/* Music player */
.music-player {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 12px;
  gap: 12px;
}
.now-playing {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #0a1a2a;
  border: 1px solid #0a4a7a;
  padding: 12px;
}
.album-art {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 1px solid #0aacff;
}
.song-info {
  flex: 1;
}
.current-title {
  font-size: 1.1rem;
  font-weight: bold;
  color: #0aacff;
}
.current-artist {
  font-size: 0.8rem;
  color: #6a8a9a;
}
.music-playlist {
  flex: 1;
  overflow-y: auto;
  border: 1px solid #0a4a7a;
  background-color: #010c17;
}
.music-playlist h4 {
  margin: 0;
  padding: 8px;
  background-color: #0a1a2a;
  border-bottom: 1px solid #0a4a7a;
}
.music-playlist ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.music-playlist li {
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid #0a4a7a;
  color: #cbe0f0;
}
.music-playlist li:hover {
  background-color: #0a2a44;
  color: #0aacff;
}
.music-playlist li.active {
  background-color: #0a2a44;
  border-left: 3px solid #0aacff;
}
.music-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid #0a4a7a;
  padding-top: 10px;
}
.player-buttons button {
  background: #0a2a44;
  border: 1px solid #0a4a7a;
  color: #cbe0f0;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px 12px;
  transition: background 0.1s;
}
.player-buttons button:hover {
  background: #0a3a5a;
  color: #0aacff;
}
.music-controls .volume-slider {
  width: 100px;
  margin-left: auto;
}

/* Calculator buttons */
.calc-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 12px;
}
.calc-btn {
  background-color: #0a1a2a;
  border: 1px solid #0a4a7a;
  color: #cbe0f0;
  font-size: 1.2rem;
  font-family: monospace;
  padding: 12px 0;
  cursor: pointer;
  transition:
    background 0.1s,
    border-color 0.1s;
}
.calc-btn:hover {
  background-color: #0a2a44;
  border-color: #0aacff;
  color: #0aacff;
}
.calc-btn.op {
  background-color: #0a2a44;
  color: #0aacff;
}
.calc-btn.op:hover {
  background-color: #0a3a5a;
  color: #00ff88;
}

/* Notes buttons */
.notes-btn {
  background-color: #0a2a44;
  border: 1px solid #0a4a7a;
  color: #cbe0f0;
  font-family: monospace;
  font-size: 0.8rem;
  padding: 6px 12px;
  cursor: pointer;
  transition:
    background 0.1s,
    border-color 0.1s;
}
.notes-btn:hover {
  background-color: #0a3a5a;
  border-color: #0aacff;
  color: #0aacff;
}

.calc-display {
  background-color: #010c17;
  border: 1px solid #0a4a7a;
  color: #0aacff;
  font-size: 2rem;
  text-align: right;
  padding: 12px;
  font-family: monospace;
  width: 100%;
  box-sizing: border-box;
}

.calc-display {
  background-color: #010c17;
  border: 1px solid #0a4a7a;
  color: #0aacff;
  font-size: 2rem;
  font-family: monospace;
  text-align: right;
  padding: 12px;
  width: 100%;
  box-sizing: border-box;
  outline: none;
}
.calc-display:focus {
  border-color: #0aacff;
}

.markdown-body mark {
  background-color: #ffff00;
  color: #000;
  padding: 0 2px;
}
.markdown-body del {
  color: #f07178;
}

.music-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
  padding: 0 8px;
}
.seek-bar {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  background: #0a2a44;
  outline: none;
}
.seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: #0aacff;
  cursor: pointer;
  border: none;
  border-radius: 50%;
}
#current-time,
#duration-time {
  font-size: 0.7rem;
  color: #cbe0f0;
  font-family: monospace;
  min-width: 40px;
}