:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --input-bg: #ffffff;
  --input-text: #000000;
  --border-color: #ccc;
  --button-color: #1976d2;
  --button-hover-bg: #1976d2;
  --button-hover-text: #ffffff;
  --remove-button-color: #d32f2f;
  --sub-text-color: #666;
  --note-text-color: #444;
}

body.dark-mode {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --input-bg: #333333;
  --input-text: #ffffff;
  --border-color: #555;
  --button-color: #90caf9;
  --button-hover-bg: #90caf9;
  --button-hover-text: #121212;
  --remove-button-color: #ef5350;
  --sub-text-color: #aaa;
  --note-text-color: #ccc;
}

body {
  font-family: sans-serif;
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}

.subtitle {
  text-align: center;
  color: var(--sub-text-color);
  margin-top: -1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

input,
textarea {
  width: 100%;
  padding: 8px;
  margin: 2px 0;
  box-sizing: border-box;
  background-color: var(--input-bg);
  color: var(--input-text);
  border: 1px solid var(--border-color);
}

input::placeholder,
textarea::placeholder {
  color: #999;
}

body.dark-mode input::placeholder,
body.dark-mode textarea::placeholder {
  color: #bbb;
}

button {
  padding: 8px;
  margin-top: 6px;
  background-color: transparent;
  border: 2px solid var(--button-color);
  color: var(--button-color);
  border-radius: 9999px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background-color: var(--button-hover-bg);
  color: var(--button-hover-text);
}

button.remove-button {
  border: 2px solid var(--remove-button-color);
  color: var(--remove-button-color);
  background-color: transparent;
  width: 40px;
  height: 60px;
  font-size: 1rem;
  border-radius: 9999px;
  padding: 0;
}

button.remove-button:hover {
  background-color: var(--remove-button-color);
  color: white;
}

button.copy-button {
  width: 100px;
  height: 30px;
  margin-top: 2px;
  border: 2px solid var(--button-color);
  color: var(--button-color);
  background-color: transparent;
  border-radius: 9999px;
  font-weight: bold;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0;
}

button.add-button {
  width: auto;
  display: block;
  margin: 10px auto;
  padding: 6px 16px;
  font-size: 0.9rem;
}

button.move-button {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  background: transparent;
  border-radius: 4px;
  padding: 0;
  margin: 0 2px;
  font-size: 0.8rem;
}

button.move-button:hover {
  background-color: var(--border-color);
  color: var(--text-color);
}

.section {
  margin-top: 2rem;
}

.entry,
.character {
  border: 1px solid var(--border-color);
  padding: 10px;
  margin-top: 1rem;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.character img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 2px;
  margin-right: 8px;
  display: block;
  background-color: rgba(128, 128, 128, 0.1);
}

.char-url {
  font-size: 0.75rem;
  color: var(--sub-text-color);
  display: block;
  margin-top: 2px;
  text-align: center;
}

.char-note {
  font-size: 0.8rem;
  color: var(--note-text-color);
  margin-top: 4px;
  white-space: pre-wrap;
}

.export-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.export-controls button {
  width: auto;
  padding: 10px 20px;
  border-radius: 9999px;
  border: 2px solid var(--text-color);
  background-color: transparent;
  color: var(--text-color);
  font-weight: bold;
  cursor: pointer;
}

.export-controls button:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.char-info {
  display: flex;
  align-items: flex-start;
  flex: 1;
}

.char-info-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 10px;
}

.char-info-content {
  flex: 1;
  min-width: 0;
}

.char-note:empty::before {
  content: "　";
  visibility: hidden;
  display: block;
  min-height: 1.2em;
}

.char-url:empty::before {
  content: "　";
  visibility: hidden;
  display: block;
  min-height: 0.9em;
}

.actions-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.image-input-toggle {
  display: flex;
  gap: 15px;
  margin: 8px 0;
  align-items: center;
}

.image-input-toggle label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  white-space: nowrap;
}