/* --- カラー変数の定義 --- */
:root {
  --bg-color: #f4f4f9;
  --text-color: #333;
  --accent-color: #4a90e2;
  --box-bg: #ffffff;
  --border-color: #ccc;
  --input-border: #ddd;
  --label-color: #2c3e50;
  --tab-bg: #ddd;
  --tab-active-bg: #ffffff;
  --sidebar-bg: #ffffff;
  --search-border: #4a90e2;
  --item-border: #eee;
  --legend-bg: #2c3e50;
  --legend-text: #fff;
  --copy-success-bg: #1e6031;
  --hover-bg: #e2e2e2;
  --tag-bg: #2b2b2b;
  /* エディタ用変数 */
  --cm-cursor: #000;
  --cm-selection: #d9d9d9;
}

body.dark-mode {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --accent-color: #bb86fc;
  --box-bg: #1e1e1e;
  --border-color: #333;
  --input-border: #444;
  --label-color: #bb86fc;
  --tab-bg: #333;
  --tab-active-bg: #1e1e1e;
  --sidebar-bg: #1e1e1e;
  --search-border: #bb86fc;
  --item-border: #2c2c2c;
  --legend-bg: #333;
  --legend-text: #e0e0e0;
  --copy-success-bg: #0d3a1d;
  --hover-bg: #2a2a2a;
  --tag-bg: #252525;
  /* エディタ用変数（ダークモード） */
  --cm-cursor: #f8f8f2;
  --cm-selection: #44475a;
}

body {
  font-family: sans-serif;
  margin: 20px;
  background-color: var(--bg-color);
  color: var(--text-color);
  max-width: 1400px;
  margin: auto;
  transition:
    background-color 0.3s,
    color 0.3s;
}

h2 {
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.header-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}
.help-link {
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.85em;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--box-bg);
  cursor: pointer;
}

.main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
}
.converter-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.box-label {
  font-weight: bold;
  margin-bottom: 8px;
  display: block;
  color: var(--label-color);
}

.tab-container {
  display: flex;
  gap: 5px;
  margin-bottom: -1px;
}
.tab {
  padding: 10px 25px;
  cursor: pointer;
  background: var(--tab-bg);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  font-weight: bold;
  font-size: 0.9em;
  color: var(--text-color);
}
.tab.active {
  background: var(--tab-active-bg);
  border-bottom: 2px solid var(--tab-active-bg);
  color: var(--accent-color);
}

.input-box {
  background: var(--box-bg);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 0 6px 6px 6px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* --- CodeMirror 用のスタイル調整 --- */
.CodeMirror {
  height: 180px;
  font-family: "Consolas", monospace;
  font-size: 14px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background-color: var(--box-bg);
  color: var(--text-color);
}
.CodeMirror-gutters {
  background-color: var(--tab-bg);
  border-right: 1px solid var(--border-color);
}
.CodeMirror-linenumber {
  color: #888;
}

/* --- CodeMirror ダークモード/選択範囲/カーソル修正 --- */

/* カーソル (色は変数で制御) */
.CodeMirror-cursor {
  border-left: 1px solid var(--cm-cursor) !important;
  border-right: none !important;
  width: 0 !important;
}

/* 選択範囲の背景色 (色は変数で制御) */
.CodeMirror-selected {
  background-color: var(--cm-selection) !important;
}
.CodeMirror-focused .CodeMirror-selected {
  background-color: var(--cm-selection) !important;
}
.CodeMirror-line::selection,
.CodeMirror-line > span::selection,
.CodeMirror-line > span > span::selection {
  background: var(--cm-selection) !important;
}

/* コメント行のハイライト (シンプルモード用) */
.cm-comment {
  color: #27ae60 !important; /* 見やすいグリーン */
  font-weight: bold;
}

/* 改行マーク (↵) の表示 */
.CodeMirror-line::after {
  content: "↵";
  color: #b0bec5;
  margin-left: 4px;
  font-family: sans-serif;
  user-select: none;
  pointer-events: none;
}
body.dark-mode .CodeMirror-line::after {
  color: #555;
}

/* タブ文字の可視化 (右矢印の背景) */
.cm-tab {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12"><path d="M1 6 h8 m-3 -3 l3 3 l-3 3" stroke="%23999999" fill="none"/></svg>')
    no-repeat center right;
  border-bottom: 1px solid #ddd;
}
body.dark-mode .cm-tab {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12"><path d="M1 6 h8 m-3 -3 l3 3 l-3 3" stroke="%23555555" fill="none"/></svg>')
    no-repeat center right;
  border-bottom: 1px solid #444;
}

.mini-copy-btn {
  position: absolute;
  top: 35px;
  right: 25px;
  padding: 4px 8px;
  font-size: 11px;
  background-color: var(--box-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.2s;
  font-weight: normal;
  z-index: 10;
}
.mini-copy-btn:hover {
  opacity: 1;
  background-color: var(--hover-bg);
}

.preview-area {
  width: 100%;
  min-height: 250px;
  height: max-content;
  padding: 15px;
  background-color: var(--box-bg);
  color: var(--text-color);
  font-family: "Consolas", monospace;
  font-size: 14px;
  line-height: 1.6;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-bottom: 20px;
  box-sizing: border-box;
}

.prompt-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px dashed transparent;
  border-radius: 4px;
  min-height: 40px;
}
.prompt-row:hover {
  border-color: var(--border-color);
  background-color: rgba(0, 0, 0, 0.02);
}
.prompt-row.dragging {
  opacity: 0.4;
  background-color: var(--hover-bg);
}

.row-handle {
  cursor: grab;
  color: #aaa;
  font-size: 18px;
  padding: 0 5px;
  user-select: none;
}

.prompt-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background-color: var(--tag-bg);
  border: 2px solid;
  border-radius: 20px;
  font-weight: bold;
  cursor: grab;
  user-select: none;
  transition: transform 0.1s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
.prompt-tag:active {
  cursor: grabbing;
  transform: scale(0.95);
}
.prompt-tag.dragging {
  opacity: 0.5;
  transform: scale(1.05);
}

.controls {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-bottom: 25px;
  flex-wrap: wrap;
  background: var(--box-bg);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
button {
  padding: 12px 24px;
  cursor: pointer;
  color: white;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  font-size: 14px;
  transition:
    background-color 0.2s,
    transform 0.1s;
}
button:active {
  transform: scale(0.98);
}
.copy-btn {
  background-color: #34a853;
  margin-bottom: 40px;
}

.legend-container {
  display: flex;
  gap: 8px;
  font-size: 0.8em;
  align-items: center;
  margin-left: auto;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--legend-bg);
  color: var(--legend-text);
}
.color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.search-sidebar {
  background: var(--sidebar-bg);
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  height: fit-content;
  position: sticky;
  top: 100px;
  align-self: start;
}
#tagSearch {
  width: 100%;
  padding: 12px;
  box-sizing: border-box;
  margin-bottom: 12px;
  border: 2px solid var(--search-border);
  border-radius: 4px;
  background-color: var(--box-bg);
  color: var(--text-color);
}
#searchResult {
  max-height: calc(100vh - 250px);
  overflow-y: auto;
}
.tag-item {
  padding: 10px;
  border-bottom: 1px solid var(--item-border);
  cursor: grab;
}
.tag-item:active {
  cursor: grabbing;
}
.refresh-btn {
  font-size: 0.8em;
  padding: 8px 15px;
}
.status-success {
  background-color: #27ae60;
  cursor: default;
}

@media (max-width: 800px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .search-sidebar {
    position: static;
    height: auto;
  }
  #searchResult {
    max-height: 400px;
  }
  .controls {
    position: static;
    flex-direction: column;
    align-items: stretch;
  }
  .controls button {
    width: 100%;
    margin-bottom: 10px;
  }
  .legend-container {
    margin-left: 0;
    margin-top: 10px;
    justify-content: center;
  }
}

/* Embedding */
.tag-embedding {
  border-color: #2c3e50 !important;
  color: #2c3e50 !important;
  background-color: #ebedef !important;
}

/* --- Spreadsheet Styles --- */
.spreadsheet-toolbar {
  margin-bottom: 5px;
  display: flex;
  gap: 5px;
}

.mini-tool-btn {
  padding: 2px 8px;
  font-size: 0.85em;
  cursor: pointer;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
}
.mini-tool-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
}
.mini-tool-btn.danger:hover {
  background-color: #ffebee;
  color: #c62828;
  border-color: #c62828;
}

.spreadsheet-container {
  overflow: auto;
  max-height: 500px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
}

table.spreadsheet-table {
  border-collapse: collapse;
  table-layout: fixed;
  width: max-content; /* 列数に応じて横に伸びる */
}

table.spreadsheet-table th,
table.spreadsheet-table td {
  border: 1px solid var(--border-color);
  padding: 0;
  margin: 0;
  min-width: 100px;
  height: 32px;
}

/* 1列目（カテゴリ）だけ少し色を変える */
/* :not(.header-cell) を追加して、ヘッダー行を除外します */
table.spreadsheet-table td:first-child input:not(.header-cell) {
  background-color: rgba(0, 0, 0, 0.02);
  font-weight: bold;
}
body.dark-mode table.spreadsheet-table td:first-child input:not(.header-cell) {
  background-color: rgba(255, 255, 255, 0.05);
}

table.spreadsheet-table input {
  width: 100%;
  height: 100%;
  border: none;
  padding: 4px 8px;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 0.95em;
  background: transparent;
  color: var(--text-color);
  outline: none;
}

table.spreadsheet-table input:focus {
  background-color: rgba(52, 152, 219, 0.1);
  box-shadow: inset 0 0 0 2px #3498db;
}

/* --- Spreadsheet Styles --- */
.spreadsheet-toolbar {
  margin-bottom: 5px;
  display: flex;
  gap: 5px;
}

.mini-tool-btn {
  padding: 2px 8px;
  font-size: 0.85em;
  cursor: pointer;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
}
.mini-tool-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
}
.mini-tool-btn.danger:hover {
  background-color: #ffebee;
  color: #c62828;
  border-color: #c62828;
}

.spreadsheet-container {
  overflow: auto;
  max-height: 500px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
}

table.spreadsheet-table {
  border-collapse: collapse;
  table-layout: fixed;
  width: max-content;
}

table.spreadsheet-table th,
table.spreadsheet-table td {
  border: 1px solid var(--border-color);
  padding: 0;
  margin: 0;
  min-width: 100px;
  height: 32px;
}

/* ヘッダー行(1行目)のスタイル */
input.header-cell {
  background-color: #e3f2fd; /* 薄い青色 */
  font-weight: bold;
  text-align: center;
  color: #2c3e50;
  cursor: default;
}
body.dark-mode input.header-cell {
  background-color: #2c3e50;
  color: #ecf0f1;
}

/* 1列目（カテゴリ）だけ少し色を変える（ヘッダー以外） */
table.spreadsheet-table td:first-child input:not(.header-cell) {
  background-color: rgba(0, 0, 0, 0.02);
  font-weight: bold;
}
body.dark-mode table.spreadsheet-table td:first-child input:not(.header-cell) {
  background-color: rgba(255, 255, 255, 0.05);
}

table.spreadsheet-table input {
  width: 100%;
  height: 100%;
  border: none;
  padding: 4px 8px;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 0.95em;
  background: transparent;
  color: var(--text-color);
  outline: none;
}

table.spreadsheet-table input:focus {
  background-color: rgba(52, 152, 219, 0.1);
  box-shadow: inset 0 0 0 2px #3498db;
}