/* 通用样式 */
:root {
    /* 默认主题 (灰色) */
    --primary-bg-color: #e0e0e0;
    --secondary-bg-color: #f4f4f4;
    --header-bg-color: #333333;
    --text-color: #333;
    --sidebar-bg-color: #fff;
    --sidebar-h2-color: #555555;
    --border-color: #eee;
    --list-hover-bg: #e9e9e9;
    --list-active-bg: #cccccc;
    --list-active-color: #333333;
    --button-bg-color: #666666;
    --button-hover-bg: #555555;
    --delete-button-bg: #888888;
    --delete-button-hover-bg: #777777;
    --preview-bg-color: #e0e0e0;
    --preview-border-color: #666666;
    --modal-bg-color: #fefefe;
    --modal-border-color: #888;
    --modal-h2-color: #555555;
    --mermaid-bg-color: #f0f0f0;
}

/* 浅色主题 */
body.theme-light {
    --primary-bg-color: #f8f9fa;
    --secondary-bg-color: #ffffff;
    --header-bg-color: #007bff;
    --text-color: #212529;
    --sidebar-bg-color: #ffffff;
    --sidebar-h2-color: #007bff;
    --border-color: #dee2e6;
    --list-hover-bg: #e2e6ea;
    --list-active-bg: #cce5ff;
    --list-active-color: #0056b3;
    --button-bg-color: #007bff;
    --button-hover-bg: #0056b3;
    --delete-button-bg: #dc3545;
    --delete-button-hover-bg: #c82333;
    --preview-bg-color: #eaf4fd;
    --preview-border-color: #007bff;
    --modal-bg-color: #ffffff;
    --modal-border-color: #ced4da;
    --modal-h2-color: #007bff;
    --mermaid-bg-color: #f8f9fa;
}

/* 深色主题 */
body.theme-dark {
    --primary-bg-color: #212529;
    --secondary-bg-color: #343a40;
    --header-bg-color: #000000;
    --text-color: #f8f9fa;
    --sidebar-bg-color: #2c3034;
    --sidebar-h2-color: #6c757d;
    --border-color: #495057;
    --list-hover-bg: #495057;
    --list-active-bg: #0056b3;
    --list-active-color: #ffffff;
    --button-bg-color: #0056b3;
    --button-hover-bg: #004085;
    --delete-button-bg: #c82333;
    --delete-button-hover-bg: #bd2130;
    --preview-bg-color: #343a40;
    --preview-border-color: #0056b3;
    --modal-bg-color: #343a40;
    --modal-border-color: #495057;
    --modal-h2-color: #6c757d;
    --mermaid-bg-color: #2c3034;
}

/* 绿色主题 (旧版) */
body.theme-green {
    --primary-bg-color: #f4f4f4;
    --secondary-bg-color: #f9f9f9;
    --header-bg-color: #4CAF50;
    --text-color: #333;
    --sidebar-bg-color: #fff;
    --sidebar-h2-color: #4CAF50;
    --border-color: #eee;
    --list-hover-bg: #e9e9e9;
    --list-active-bg: #d4edda;
    --list-active-color: #28a745;
    --button-bg-color: #28a745;
    --button-hover-bg: #218838;
    --delete-button-bg: #dc3545;
    --delete-button-hover-bg: #c82333;
    --preview-bg-color: #e9f7ef;
    --preview-border-color: #28a745;
    --modal-bg-color: #fefefe;
    --modal-border-color: #888;
    --modal-h2-color: #4CAF50;
    --mermaid-bg-color: #f0f0f0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--header-bg-color);
    color: white;
    padding: 1rem 20px; /* 增加左右内边距 */
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex; /* 使用flexbox布局 */
    justify-content: space-between; /* 标题和按钮两端对齐 */
    align-items: center; /* 垂直居中 */
}

header h1 {
    margin: 0; /* 移除h1的默认外边距 */
    flex-grow: 1; /* 允许h1占据可用空间 */
    text-align: center; /* 标题居中 */
}

#settings-btn {
    background-color: var(--button-bg-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.2s ease;
}

#settings-btn:hover {
    background-color: var(--button-hover-bg);
}

main {
    display: flex;
    flex: 1;
    padding: 20px;
    gap: 20px;
}

/* 侧边栏样式 */
.sidebar {
    width: 300px;
    background-color: var(--sidebar-bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sidebar h2 {
    color: var(--sidebar-h2-color);
    margin-top: 0;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.sort-controls, .search-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-controls label, .search-controls label {
    font-weight: bold;
}

.sort-controls select, .search-controls input[type="text"] {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

#scene-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1; /* 允许列表占据可用空间 */
    overflow-y: auto; /* 列表内容过多时滚动 */
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--secondary-bg-color);
}

#scene-list li {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

#scene-list li:last-child {
    border-bottom: none;
}

#scene-list li:hover {
    background-color: var(--list-hover-bg);
}

#scene-list li.active {
    background-color: var(--list-active-bg); /* 选中状态的背景色 */
    font-weight: bold;
    color: var(--list-active-color);
}

#scene-list li button {
    background-color: var(--delete-button-bg);
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8em;
    transition: background-color 0.2s ease;
}

#scene-list li button:hover {
    background-color: var(--delete-button-hover-bg);
}

.pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.pagination-controls button {
    background-color: var(--button-bg-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.pagination-controls button:hover:not(:disabled) {
    background-color: var(--button-hover-bg);
}

.pagination-controls button:disabled {
    background-color: var(--list-active-bg); /* 使用一个浅色作为禁用按钮背景 */
    cursor: not-allowed;
}

#page-info {
    font-size: 0.9em;
    color: var(--text-color);
}

/* 没有场景时的提示信息样式 */
.no-scene-message {
    text-align: center;
    padding: 20px;
    color: var(--text-color);
    font-size: 1.1em;
    margin-top: 20px;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    background-color: var(--secondary-bg-color);
}

.no-scene-message p {
    margin: 0;
    line-height: 1.5;
}

/* 切换开关样式 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--button-bg-color); /* 使用主题的按钮颜色 */
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--button-bg-color);
}

input:checked + .slider:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(26px);
}

/* 圆角滑块 */
.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

#add-scene-btn {
    background-color: var(--button-bg-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.2s ease;
}

#add-scene-btn:hover {
    background-color: var(--button-hover-bg);
}

/* 编辑器区域样式 */
.editor-area {
    flex: 1;
    background-color: var(--sidebar-bg-color); /* 使用sidebar的背景色 */
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#editor-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

#editor-controls button {
    background-color: var(--button-bg-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.2s ease;
}

#editor-controls button:hover {
    background-color: var(--button-hover-bg);
}

#scene-editor, #scene-preview {
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
    background-color: var(--secondary-bg-color);
}

#scene-editor h2, #scene-preview h2 {
    color: var(--sidebar-h2-color);
    margin-top: 0;
    margin-bottom: 15px;
}

#scene-editor label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-color);
}

#scene-editor input[type="text"],
#scene-editor textarea {
    width: calc(100% - 22px); /* 减去padding和border */
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1em;
}

#scene-editor textarea {
    resize: vertical;
    min-height: 80px;
}

#choices-container {
    margin-top: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.choice-item {
    background-color: var(--sidebar-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-end;
}

.choice-field {
    flex: 1;
    min-width: 150px;
}

.choice-field label {
    font-size: 0.9em;
    color: var(--text-color);
    margin-bottom: 3px;
}

.choice-item input[type="text"] {
    width: calc(100% - 20px);
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9em;
    margin-bottom: 0; /* 覆盖默认的margin-bottom */
}

.choice-item .delete-choice-btn {
    background-color: var(--delete-button-bg);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.2s ease;
}

.choice-item .delete-choice-btn:hover {
    background-color: var(--delete-button-hover-bg);
}

#add-choice-btn {
    background-color: var(--button-bg-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    margin-top: 10px;
    transition: background-color 0.2s ease;
}

#add-choice-btn:hover {
    background-color: var(--button-hover-bg);
}

#scene-preview {
    flex-grow: 1;
    background-color: var(--preview-bg-color);
    border: 1px solid var(--preview-border-color);
}

#preview-content {
    white-space: pre-wrap; /* 保留文本中的换行符和空格 */
    word-wrap: break-word; /* 自动换行 */
    line-height: 1.6;
    color: var(--text-color);
}

#preview-content ul {
    list-style: disc;
    padding-left: 20px;
    margin-top: 10px;
}

#preview-content li {
    margin-bottom: 5px;
}

/* 模态框样式 */
.modal {
    display: none; /* 默认隐藏 */
    position: fixed; /* 固定定位 */
    z-index: 1000; /* 确保在最上层 */
    left: 0;
    top: 0;
    width: 100%; /* 全宽 */
    height: 100%; /* 全高 */
    overflow: auto; /* 如果内容溢出，则添加滚动条 */
    background-color: rgba(0,0,0,0.6); /* 半透明黑色背景 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}

.modal-content {
    background-color: var(--modal-bg-color);
    margin: auto; /* 自动边距，配合justify-content和align-items实现居中 */
    padding: 20px;
    border: 1px solid var(--modal-border-color);
    width: 90%; /* 增加宽度 */
    max-width: 800px; /* 调整最大宽度以适应设置选项 */
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    position: relative;
    max-height: 90vh; /* 最大高度 */
    overflow-y: auto; /* 内容溢出时滚动 */
}

/* 精美动画效果相关样式 */
body.fancy-animations-enabled #scene-editor,
body.fancy-animations-enabled #scene-preview {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

body.fancy-animations-enabled #scene-editor.fade-out-slide-out,
body.fancy-animations-enabled #scene-preview.fade-out-slide-out {
    opacity: 0;
    transform: translateX(-20px);
}

body.fancy-animations-enabled #scene-editor.fade-in-slide-in,
body.fancy-animations-enabled #scene-preview.fade-in-slide-in {
    opacity: 1;
    transform: translateX(0);
}

body.fancy-animations-enabled #scene-list li {
    transition: background-color 0.2s ease, transform 0.2s ease;
}

body.fancy-animations-enabled #scene-list li:hover {
    transform: translateX(5px);
}

body.fancy-animations-enabled button,
body.fancy-animations-enabled input[type="text"],
body.fancy-animations-enabled textarea,
body.fancy-animations-enabled select {
    transition: all 0.2s ease-in-out;
}

body.fancy-animations-enabled .modal {
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

body.fancy-animations-enabled .modal.show {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInSlideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeOutSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
    }
}

.modal-content h2 {
    color: var(--modal-h2-color);
    margin-top: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    right: 20px;
    top: 10px;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* Mermaid 图表容器样式 */
.mermaid {
    text-align: center; /* 居中Mermaid图表 */
    overflow-x: auto; /* 如果图表过宽，允许水平滚动 */
    padding: 10px;
    background-color: var(--mermaid-bg-color);
    border-radius: 5px;
    min-height: 300px; /* 确保有最小高度 */
    min-width: 600px; /* 确保有最小宽度，允许水平滚动 */
    display: flex; /* 使用flexbox来居中内容 */
    justify-content: center;
    align-items: center;
}

.mermaid svg {
    max-width: none !important; /* 允许SVG内容超出容器宽度，由overflow-x处理 */
    height: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }

    .sidebar {
        width: auto;
    }

    .editor-area {
        width: auto;
    }

    .modal-content {
        width: 95%;
    }
}

/* 设置项样式 */
.setting-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.setting-item label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-color);
}

.setting-item select,
.setting-item input[type="text"],
.setting-item input[type="number"] {
    width: calc(100% - 22px);
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1em;
    background-color: var(--secondary-bg-color);
    color: var(--text-color);
}