.card {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 8px;
  border: 1px solid #454545;
  border-radius: 18px;
  background: #262626;
  color: #eee;
  font-family: Arial, "PingFang SC", sans-serif;
}
.title {
  position: absolute;
  top: -28px;
  left: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #929292;
  white-space: nowrap;
}
.preview {
  position: relative;
  height: calc(100% - 80px);
  overflow: hidden;
  border-radius: 10px 10px 0 0;
  background: #202020;
}
.emptyCard .preview {
  height: 100%;
  border-radius: 10px;
}
.emptyActions {
  position: absolute;
  bottom: 24px;
  left: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  color: #a5a5a5;
  font-size: 13px;
}
.emptyActions button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #eee;
  font-size: 14px;
  line-height: 20px;
  cursor: pointer;
}
.emptyActions button:hover {
  color: white;
}
.preview > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.open {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.open button {
  height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: white;
  color: #181818;
  font-size: 16px;
  cursor: pointer;
}
.ruler {
  height: 26px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  border-bottom: 1px solid #393939;
  font-size: 8px;
  color: #929292;
}
.tracks {
  padding: 8px;
}
.tracks > div {
  display: flex;
  gap: 3px;
  height: 20px;
  margin-bottom: 3px;
}
.tracks i {
  flex: 1;
  background: #333;
  border-radius: 3px;
}
.composer {
  position: absolute;
  z-index: 30;
  transform: translateX(-50%);
  width: 660px;
  max-width: calc(100vw - 32px);
  padding: 8px;
  border: 0.5px solid #333;
  border-radius: 16px;
  background: #262626;
  color: #eee;
  box-shadow: 0 4px 16px #0002;
  font:
    14px / 1.5 Arial,
    "PingFang SC",
    sans-serif;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.composer button {
  cursor: pointer;
  border: 0;
  color: inherit;
  font: inherit;
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.composer button:disabled {
  opacity: 0.4;
  cursor: default;
}
.referenceRow {
  height: 30px;
  display: flex;
  justify-content: space-between;
  padding: 4px 4px 0;
}
.referenceRow > button:first-child {
  font-size: 12px;
  border-radius: 16px;
  background: #333;
  color: #999;
  padding: 0 6px;
  height: 26px;
}
.referenceRow > button:last-child {
  color: #999;
  width: 24px;
  height: 24px;
}
.sources {
  display: flex;
  gap: 8px;
  min-height: 54.8px;
  flex-wrap: wrap;
  padding: 0 4px;
}
.source {
  width: 48px;
  height: 48px;
  position: relative;
  border-radius: 8px;
  background: #191919;
}
.source video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.source b {
  position: absolute;
  top: 3px;
  left: 3px;
  font-size: 9px;
  font-weight: 400;
  background: #0009;
  border-radius: 8px;
  padding: 0 3px;
}
.source > svg {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 16px;
  height: 16px;
  padding: 3px;
  border-radius: 50%;
  background: #0009;
}
.source > span {
  position: absolute;
  bottom: 2px;
  left: 3px;
  font-size: 8px;
  background: #0009;
  line-height: 11px;
}
.source > button {
  display: none;
  position: absolute;
  top: -4px;
  right: -4px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #666;
}
.source:hover > button,
.source:focus-within > button {
  display: flex;
}
.composer textarea {
  display: block;
  width: 100%;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  color: #eee;
  padding: 8px 4px;
  font:
    14px / 1.8 Arial,
    "PingFang SC",
    sans-serif;
}
.composer textarea::placeholder {
  color: #777;
}
.controls {
  height: 32px;
  display: flex;
  gap: 8px;
}
.controls .mode,
.controls .parameters {
  font-size: 12px;
  height: 32px;
  padding: 0 8px;
  border-radius: 8px;
  background: #333;
}
.controls .mode {
  background: none;
}
.controls .send {
  margin-left: auto;
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: white;
  color: #222;
}
.popup {
  position: absolute;
  z-index: 5;
  bottom: 40px;
  padding: 12px;
  background: #262626;
  border: 0.5px solid #393939;
  border-radius: 16px;
  box-shadow: 0 4px 16px #0006;
  color: #929292;
}
.settings {
  left: 112px;
  width: 340px;
}
.musicDetails {
  margin-top: 10px;
  border-top: 1px solid #393939;
  padding-top: 7px;
}
.musicDetails summary {
  cursor: pointer;
  font-size: 12px;
}
.settings label {
  display: block;
  font-size: 12px;
  margin: 0 0 8px;
}
.ratios {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}
.ratios button {
  height: 62px;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  border: 1px solid #393939;
  border-radius: 8px;
}
.ratios i {
  display: block;
  border: 1.5px solid currentColor;
  border-radius: 1px;
}
.settings button[aria-pressed="true"] {
  color: white;
  background: #414141;
  border-color: #999;
}
.duration {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  height: 22px;
}
.duration input[type="range"] {
  min-width: 0;
  flex: 1;
  accent-color: white;
  height: 4px;
}
.duration input[type="number"] {
  width: 48px;
  height: 22px;
  appearance: textfield;
  background: #333;
  border: 0;
  outline: 0;
  border-radius: 6px;
  color: #eee;
  text-align: center;
  font-size: 12px;
}
.duration input::-webkit-inner-spin-button {
  appearance: none;
}
.duration > span {
  font-size: 12px;
}
.resolutions {
  display: flex;
  gap: 8px;
}
.resolutions button {
  flex: 1;
  height: 34px;
  border: 1px solid #393939;
  border-radius: 10px;
  font-size: 12px;
}
.modeMenu {
  left: 8px;
  width: 160px;
  padding: 6px;
}
.modeMenu button {
  width: 100%;
  height: 36px;
  padding: 0 8px;
  justify-content: space-between;
  color: #ddd;
  font-size: 13px;
  border-radius: 8px;
}
.modeMenu button:hover,
.sourceMenu button:hover {
  background: #383838;
}
.sourceMenu {
  left: 8px;
  bottom: calc(100% - 40px);
  width: 260px;
  max-height: 320px;
  overflow: auto;
}
.sourceMenu > div,
.sourceMenu > p {
  font-size: 12px;
  padding: 8px 4px;
}
.sourceMenu button {
  width: 100%;
  height: 36px;
  justify-content: flex-start;
  padding: 0 8px;
  border-radius: 8px;
  font-size: 13px;
  color: #ddd;
}
.sourceMenu button span {
  flex: 1;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  text-align: left;
}
.error {
  color: #fca5a5;
  font-size: 12px;
  padding: 4px;
}
@media (max-width: 500px) {
  .settings {
    left: 4px;
    max-width: calc(100vw - 48px);
  }
}

.tracks { max-height: 54px; overflow: hidden; }
.tracks > div { position: relative; height: 12px; }
.tracks i { position: absolute; top: 0; bottom: 0; border-right: 2px solid #262626; }

.settings { max-height: min(600px, calc(100vh - 180px)); overflow-y: auto; }
.settings select { width: 100%; height: 30px; padding: 0 8px; border-radius: 6px; background: #333; color: #eee; border: 0; }
.musicUpload { display: flex; align-items: center; gap: 4px; margin-top: 8px; font-size: 12px; }
.settings label.beatToggle { display: flex; gap: 8px; align-items: center; }

.emptyCard .open {
  justify-content: flex-start;
  padding-top: 94px;
  gap: 16px;
  color: #999;
  font-size: 12px;
}
.emptyCard .open svg {
  color: #aaa;
}