* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: var(--container-padding);
  overflow: hidden;
}

#tabBar {
  display: flex;
  gap: 8px;
  padding: 12px;
  z-index: 10;
}

.tab {
  padding: 10px 20px;
  background: var(--dark-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-primary);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.tab:hover {
  background: var(--primary-purple);
  border-color: var(--primary-purple-hover);
}

.panelOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
  z-index: 1004;
}

.panelOverlay.active {
  display: flex;
}

.panelBox {
  position: relative;
  width: 500px;
  max-width: 90vw;
  background: var(--darker-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.panelClose {
  position: absolute;
  top: 8px;
  right: 12px;
  background: var(--dark-surface);
  border: 1px solid var(--primary-purple);
  color: var(--text-primary);
  border-radius: 6px;
  width: 30px;
  height: 30px;
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease;
}

.panelClose:hover {
  background: var(--primary-purple-hover);
}

.panelHeader {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-purple);
  text-align: center;
}

.panelInput {
  padding: var(--input-padding);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--dark-surface);
  color: var(--text-primary);
  font-size: 14px;
}

.panelInput:focus {
  outline: none;
  border-color: var(--primary-purple);
}

.panelEditor {
  min-height: 200px;
  padding: var(--input-padding);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--dark-surface);
  color: var(--text-primary);
  resize: vertical;
  font-size: 14px;
  line-height: 1.5;
}

.panelEditor:focus {
  outline: none;
  border-color: var(--primary-purple);
}

.panelBtn {
  padding: 8px 16px;
  border: 1px solid var(--primary-purple);
  border-radius: 6px;
  background: var(--dark-surface);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.panelBtn:hover {
  background: rgba(168, 85, 247, 0.12);
  border-color: var(--primary-purple-hover);
}

.panelBtn:disabled {
  opacity: 0.5;
  cursor: default;
}

.typeBar {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.fileList {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
  padding: 4px;
}

.fileRow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: var(--dark-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.fileRow span {
  flex: 1;
  color: var(--text-secondary);
  font-size: 14px;
}