/* CSS变量 - 颜色主题 */
:root {
    /* 亮色主题 */
    --bg-color: #f5f5f5;
    --text-color: #333;
    --header-bg: #87CEEB;
    --header-text: white;
    --panel-bg: white;
    --panel-border: rgba(0, 0, 0, 0.1);
    --json-key-color: #881391;
    --json-string-color: #1a8a1a;
    --json-number-color: #1a5fb4;
    --json-boolean-color: #b5690f;
    --json-null-color: #808080;
    --hover-bg: rgba(0, 0, 0, 0.05);
    --tree-border: #ccc;
    --scrollbar-track: #f0f0f0;
    --scrollbar-thumb: #bbb;
    --scrollbar-thumb-hover: #999;
    --button-bg: #3498db;
    --button-hover: #2980b9;
    --modal-overlay: rgba(135, 206, 235, 0.7);
    --placeholder-color: #aaa;
    --context-menu-bg: white;
    --context-menu-shadow: rgba(135, 206, 235, 0.4);
    --context-menu-hover: #f0f0f0;
    --context-menu-hover-text: #3498db;
}

/* 暗色主题 */
body.dark-theme {
    --bg-color: #87CEEB;
    --text-color: #333333;
    --header-bg: #87CEEB;
    --header-text: #333333;
    --panel-bg: #87CEEB;
    --panel-border: rgba(255, 255, 255, 0.1);
    --json-key-color: #bb86fc;
    --json-string-color: #03dac6;
    --json-number-color: #64b5f6;
    --json-boolean-color: #ffb74d;
    --json-null-color: #b0bec5;
    --hover-bg: rgba(255, 255, 255, 0.1);
    --tree-border: #555;
    --scrollbar-track: #c0e3f7;
    --scrollbar-thumb: #87CEEB;
    --scrollbar-thumb-hover: #5CACEE;
    --button-bg: #6200ee;
    --button-hover: #3700b3;
    --modal-overlay: rgba(135, 206, 235, 0.7);
    --placeholder-color: #777;
    --context-menu-bg: #2a2a2a;
    --context-menu-shadow: rgba(135, 206, 235, 0.5);
    --context-menu-hover: #3a3a3a;
    --context-menu-hover-text: #bb86fc;
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s, color 0.3s;
}

header {
    background-color: var(--header-bg);
    color: var(--header-text);
    text-align: center;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: relative;
}

/* 主题切换按钮 */
.theme-toggle {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--header-text);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

/* 按钮样式 - 仅用于模态框 */
button {
    padding: 8px 16px;
    background-color: var(--button-bg);
    color: var(--header-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* JSON占位符样式 */
.json-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: #aaa;
}

.placeholder-icons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.placeholder-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.placeholder-icon:hover {
    background-color: #f0f0f0;
    color: #3498db;
}

.placeholder-icon i {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* 右键菜单样式 */
.context-menu {
    display: none;
    position: absolute;
    background-color: var(--context-menu-bg);
    border-radius: 4px;
    box-shadow: 0 2px 10px var(--context-menu-shadow);
    z-index: 1000;
    min-width: 150px;
}

.context-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.context-menu li {
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.context-menu li:hover {
    background-color: var(--context-menu-hover);
    color: var(--context-menu-hover-text);
}

.context-menu li i {
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

/* 编辑器容器样式 */
.editor-container {
    display: flex;
    gap: 20px;
    height: calc(100vh - 150px);
    min-height: 500px;
    margin-top: 20px;
    width: 100%;
}

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--panel-bg);
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative; /* 为占位符定位 */
    min-width: 0; /* 防止flex子项溢出 */
}

.panel-header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 10px;
    font-weight: bold;
}

/* 层级指示器样式 */
.level-indicators {
    display: flex;
    flex-wrap: wrap;
    padding: 8px 10px;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--panel-border);
    gap: 5px;
}

.level-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--panel-bg);
    border: 1px solid var(--panel-border);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    color: var(--text-color);
}

.level-indicator:hover {
    background-color: var(--hover-bg);
    border-color: var(--tree-border);
}

.level-indicator.active {
    background-color: var(--button-bg);
    color: white;
    border-color: var(--button-bg);
}

.json-editor, .json-viewer {
    flex: 1;
    padding: 15px;
    overflow: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.5;
    position: relative; /* 为占位符和右键菜单定位 */
    width: 100%; /* 确保宽度占满父容器 */
    word-wrap: break-word; /* 确保长文本能够换行 */
    white-space: pre-wrap; /* 保留空格和换行，但允许文本换行 */
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track); /* Firefox */
}

/* 调整JSON查看器高度，为层级控制区域留出空间 */
.editor-panel:has(.level-controls) .json-viewer {
    height: calc(100% - 40px);
}

/* 自定义滚动条样式 (Webkit浏览器) */
.json-editor::-webkit-scrollbar,
.json-viewer::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.json-editor::-webkit-scrollbar-track,
.json-viewer::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

.json-editor::-webkit-scrollbar-thumb,
.json-viewer::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 4px;
}

.json-editor::-webkit-scrollbar-thumb:hover,
.json-viewer::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover);
}

.json-editor {
    white-space: pre-wrap;
    outline: none;
    border: none;
}

/* JSON树形视图样式 */
.json-tree {
    margin: 0;
    padding: 0;
    list-style-type: none;
    width: 100%;
    overflow-x: auto;
}

.json-tree ul {
    margin-left: 20px;
    padding-left: 10px;
    border-left: 1px dotted var(--tree-border);
}

.json-tree li {
    position: relative;
    padding: 2px 0;
    word-wrap: break-word; /* 确保长文本能够换行 */
    transition: background-color 0.2s;
}

/* 添加悬停效果 */
.json-tree li:hover > span {
    background-color: var(--hover-bg);
    border-radius: 2px;
}

.json-key {
    color: var(--json-key-color);
    font-weight: bold;
}

.json-string {
    color: var(--json-string-color);
}

.json-number {
    color: var(--json-number-color);
}

.json-boolean {
    color: var(--json-boolean-color);
}

.json-null {
    color: var(--json-null-color);
}

.collapsible {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 15px;
}

.collapsible::before {
    content: '▼';
    display: inline-block;
    position: absolute;
    left: 0;
    font-size: 10px;
    transition: transform 0.3s ease, color 0.2s;
    color: #666;
}

.collapsible:hover::before {
    color: #3498db;
}

.collapsed::before {
    transform: rotate(-90deg);
}

/* 改进折叠/展开动画 */
.json-tree ul {
    transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
    max-height: none; /* 移除最大高度限制，确保所有内容都能显示 */
    opacity: 1;
    overflow: visible; /* 改为visible，确保内容不会被裁剪 */
}

.collapsed + ul {
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease-in, opacity 0.1s ease-in;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
}

.modal-content {
    background-color: var(--panel-bg);
    margin: 10% auto;
    padding: 20px;
    border-radius: 5px;
    width: 60%;
    max-width: 700px;
    box-shadow: 0 5px 15px rgba(135, 206, 235, 0.5);
    position: relative;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    font-weight: bold;
    color: var(--placeholder-color);
    cursor: pointer;
}

.close-button:hover {
    color: var(--text-color);
}

#paste-area {
    width: 100%;
    height: 200px;
    margin: 15px 0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    resize: vertical;
}

#confirm-paste {
    display: block;
    margin: 0 auto;
}

/* 页脚样式 */
footer {
    background-color: #87CEEB;
    color: #333333;
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .editor-container {
        flex-direction: column;
        height: auto;
    }
    
    .editor-panel {
        height: 300px;
    }
    
    .modal-content {
        width: 90%;
    }
    
    /* 优化小屏幕上的JSON显示 */
    .json-editor, .json-viewer {
        font-size: 13px;
        padding: 10px;
    }
    
    /* 减小树形视图的间距，适应小屏幕 */
    .json-tree ul {
        margin-left: 15px;
        padding-left: 5px;
    }
    
    /* 优化小屏幕上的JSON键值对显示 */
    .json-key, .json-string, .json-number, .json-boolean, .json-null {
        max-width: 100%;
        overflow-wrap: break-word;
    }
}

/* 超宽屏幕样式 */
@media (min-width: 2000px) {
    .container {
        max-width: 90%;
        margin: 0 auto;
    }
    
    /* 优化超宽屏幕上的JSON显示 */
    .json-editor, .json-viewer {
        font-size: 16px;
        line-height: 1.6;
    }
    
    /* 增加树形视图的间距，提高可读性 */
    .json-tree ul {
        margin-left: 30px;
    }
}

/* 确保在所有屏幕尺寸下内容有合理的边距 */
@media (min-width: 1200px) {
    .container {
        padding: 20px 40px;
    }
}