/* リセットとベース */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3498db;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ダークモード対応 */
[data-theme="dark"] {
    --bg-color: #1e1e1e;
    --card-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --border-color: #404040;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

body.font-serif {
    font-family: 'Georgia', 'Times New Roman', serif;
}

body.font-sans {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.font-custom {
    font-family: var(--custom-font, 'Segoe UI');
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    transition: background-color 0.3s;
}

header h1 {
    font-size: 2rem;
}

.version-badge {
    background-color: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.header-controls {
    position: absolute;
    right: 20px;
    display: flex;
    gap: 10px;
}

.icon-button {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.icon-button:hover {
    background: rgba(255,255,255,0.3);
}

/* セクション */
.section {
    background-color: var(--card-bg);
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.section h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
}

/* フォーム */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input[type="text"],
.form-group input[type="color"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-group input[type="color"] {
    height: 42px;
    cursor: pointer;
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
    font-family: 'Courier New', monospace;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* ボタン */
button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

button.secondary {
    background-color: #95a5a6;
}

button.secondary:hover {
    background-color: #7f8c8d;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

/* 文章セレクタ */
.document-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
}

.document-selector select {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
}

.document-selector button {
    padding: 8px 16px;
}

.document-selector button.danger {
    background-color: #e74c3c;
}

.document-selector button.danger:hover {
    background-color: #c0392b;
}

/* プロジェクト管理 */
.project-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.project-controls button {
    flex: 1;
}

.project-controls input[type="file"] {
    display: none;
}

/* 画像アップロード */
.image-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    background-color: var(--card-bg);
    cursor: pointer;
    transition: all 0.3s;
}

.image-upload-area:hover,
.image-upload-area.dragover {
    border-color: var(--primary-color);
    background-color: var(--bg-color);
}

[data-theme="dark"] .image-upload-area:hover,
[data-theme="dark"] .image-upload-area.dragover {
    background-color: rgba(255,255,255,0.05);
}

.image-list {
    margin-top: 20px;
}

.image-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 8px;
    background-color: var(--card-bg);
}

.image-item img {
    max-width: 60px;
    max-height: 60px;
    margin-right: 15px;
    border-radius: 4px;
}

.image-info {
    flex-grow: 1;
}

/* サイド情報 */
.side-info-list {
    margin-top: 20px;
}

.side-info-item {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 12px;
    background-color: var(--card-bg);
}

.side-info-item.draggable {
    cursor: move;
}

.side-info-item.dragging {
    opacity: 0.5;
}

.side-info-item input {
    width: 100%;
    margin-bottom: 10px;
}

.side-info-item textarea {
    width: 100%;
    min-height: 100px;
}

.side-info-preview {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    background-color: var(--bg-color);
    max-height: 200px;
    overflow-y: auto;
}

.side-info-preview ul,
.side-info-preview ol {
    margin-left: 2rem;
    margin-bottom: 0.5rem;
}

.side-info-preview li {
    margin-bottom: 0.3rem;
}

[data-theme="dark"] .side-info-preview code {
    background-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .side-info-preview pre {
    background-color: rgba(255,255,255,0.05);
}

.side-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.drag-handle {
    cursor: move;
    padding: 5px;
    color: #999;
}

/* プレビュー */
.preview-area {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
    background-color: var(--card-bg);
    max-height: 400px;
    overflow-y: auto;
}

/* プレビュー内のリスト */
.preview-area ul,
.preview-area ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.preview-area ul ul,
.preview-area ol ul,
.preview-area ul ol,
.preview-area ol ol {
    margin-left: 2rem;
}

.preview-area li {
    margin-bottom: 0.5rem;
}

/* プレビュー内のコード */
[data-theme="dark"] .preview-area code {
    background-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] .preview-area pre {
    background-color: rgba(255,255,255,0.05);
}

/* 生成ボタン */
.generate-section {
    text-align: center;
    padding: 40px;
}

.generate-section button {
    font-size: 1.2rem;
    padding: 16px 48px;
    background-color: #27ae60;
}

.generate-section button:hover {
    background-color: #229954;
}

/* タブ */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: #666;
    transition: all 0.3s;
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}