:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --secondary-text-color: #666666;
  --border-color: #e0e0e0;
  --input-bg: #f5f5f5;
  --button-bg: #2196F3;
  --button-hover: #1976D2;
  --player-bg: #000000;
  --transition-duration: 0.3s;
}

[data-theme='dark'] {
  --bg-color: #1a1a1a;
  --text-color: #ffffff;
  --secondary-text-color: #999999;
  --border-color: #333333;
  --input-bg: #333333;
  --button-bg: #2196F3;
  --button-hover: #1976D2;
  --player-bg: #000000;
}

* {
  box-sizing: border-box;
  transition: background-color var(--transition-duration), color var(--transition-duration), border-color var(--transition-duration);
}

body {
  margin: 0;
  padding: 20px;
  background: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.domain {
  color: var(--secondary-text-color);
  text-decoration: none;
}

.domain:hover {
  color: var(--button-hover);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

#playerCnt {
  width: 100%;
  aspect-ratio: 16/9;
  margin: 20px 0;
  background: var(--player-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#playerCnt .art-video-player {
  width: 100%;
  height: 100%;
}

.art-video-player .art-info .art-info-panel .art-info-item:nth-child(2) {
  display: none !important;
}

.controls {
  display: flex;
  gap: 10px;
  margin: 10px 0;
  justify-content: space-between;
  align-items: center;
}

.controls-left {
  display: flex;
  gap: 10px;
}

button {
  padding: 8px 16px;
  background: var(--button-bg);
  border: none;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.2s, transform 0.1s;
}

button:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

textarea {
  width: 100%;
  height: 100px;
  padding: 12px;
  margin: 10px 0;
  background: var(--input-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  resize: vertical;
  font-size: 14px;
  line-height: 1.5;
}

textarea:focus {
  outline: none;
  border-color: var(--button-bg);
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.title-container {
  text-align: center;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.title-logo {
  width: 36px;
  height: 36px;
  transition: transform 0.3s;
}

.title-logo:hover {
  transform: rotate(360deg);
}

.subtitle {
  text-align: center;
  margin: -10px 0 20px;
  color: var(--secondary-text-color);
  font-size: 14px;
}

.theme-switch {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.2s, transform 0.1s;
}

.theme-switch:hover {
  background: var(--input-bg);
}

.theme-switch:active {
  transform: translateY(0);
}

.language-switch {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
  padding: 8px 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.language-switch:hover {
  background-color: var(--input-bg);
}

.language-switch:focus {
  outline: none;
  border-color: var(--button-bg);
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.footer {
  text-align: center;
  margin-top: 20px;
  color: var(--secondary-text-color);
  font-size: 12px;
}

@media (max-width: 768px) {
  body {
    padding: 15px;
  }

  .title-container {
    font-size: 20px;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  .controls-left {
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}