* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: #f4f4f4;
}

.container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding: 24px;
  height: 100vh;
}

.panel {
  background: #ffffff;
  border: 1px solid #d2d2d2;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-header {
  font-weight: 700;
  font-size: 18px;
  color: #444;
}

textarea {
  width: 100%;
  resize: none;
  padding: 12px;
  border: 1px solid #c9c9c9;
  border-radius: 4px;
  font-size: 16px;
  line-height: 1.5;
  flex: 1;
}

.save-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.voice-select {
  border: 1px solid #c9c9c9;
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 14px;
  background: #ffffff;
  color: #333;
}

button {
  border: none;
  padding: 12px 18px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
}

button.primary {
  background: #1f5f7a;
  color: #ffffff;
}

button.secondary {
  background: #4f9acb;
  color: #ffffff;
}

button.danger {
  background: #c84040;
  color: #ffffff;
}

.progress-wrap {
  width: 100%;
  height: 10px;
  background: #f1d9a6;
  border-radius: 6px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: #f5a623;
  transition: width 0.2s ease;
}

.tts-list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  overflow-y: auto;
}

.tts-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 6px;
  cursor: pointer;
  border-bottom: 1px solid #eee;
}

.tts-item:hover {
  background: #f1f6f9;
}

.tts-item.selected {
  background: #f7f7f7;
  border-left: 4px solid #e2e2e2;
  padding-left: 2px;
}

.bullet {
  font-size: 18px;
  color: #555;
}

.item-label {
  font-size: 15px;
  color: #333;
}

.right-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.hidden {
  display: none;
}

#download-link {
  text-align: right;
  color: #1f5f7a;
  text-decoration: none;
  font-size: 14px;
}