/* 基础样式设置 */
:root {
    --primary-color: #4a6cf7;
    --background-color: #f8f9fa;
    --panel-bg: #ffffff;
    --text-color: #333333;
    --border-color: #e0e0e0;
    --hover-color: #f1f3f9;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --error-color: #e74c3c;
    --success-color: #2ecc71;
}

/* 暗色主题 */
.dark-theme {
    --primary-color: #5d7bf9;
    --background-color: #1a1a2e;
    --panel-bg: #252541;
    --text-color: #e0e0e0;
    --border-color: #3a3a5a;
    --hover-color: #303050;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%; /* Ensure html and body take full height */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    min-height: 100%; /* Ensure container takes at least full height */
    display: flex; /* Use flexbox for layout */
    flex-direction: column; /* Stack children vertically */
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

/* 语言选择器样式 */
.language-selector {
    position: relative;
    display: inline-block;
}

.language-selector select {
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    background-color: var(--panel-bg);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    appearance: none; /* 移除默认箭头 */
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 25px; /* 为自定义箭头留出空间 */
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23333" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position: right 5px center;
    background-size: 18px;
}

.dark-theme .language-selector select {
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23e0e0e0" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
}

.language-selector select:hover {
    background-color: var(--hover-color);
}

header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-color);
}

/* 主题切换开关 */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

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

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

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

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

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

.slider.round {
    border-radius: 24px;
}

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

/* 主内容区域 */
main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
    flex: 1; /* Allow main to grow and fill available space */
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
}

/* 面板样式 */
.panel {
    background-color: var(--panel-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 600px;
}

.panel-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h2 {
    font-size: 18px;
    font-weight: 500;
}

.panel-actions {
    display: flex;
    gap: 10px;
}

.panel-content {
    flex: 1;
    padding: 15px;
    overflow: auto;
    position: relative;
}

/* 按钮样式 */
.btn {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background-color: var(--panel-bg);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--hover-color);
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn.primary:hover {
    opacity: 0.9;
}

/* 输入区域 */
#json-input {
    width: 100%;
    height: 100%;
    border: none;
    resize: none;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    padding: 10px;
    background-color: var(--panel-bg);
    color: var(--text-color);
    outline: none;
}

.error-message {
    color: var(--error-color);
    padding: 10px;
    font-size: 14px;
    display: none;
}

/* 视图切换 */
.view-toggle {
    display: flex;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.view-btn {
    padding: 8px 15px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
    transition: all 0.3s;
}

.view-btn.active {
    opacity: 1;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.view-btn:hover {
    opacity: 1;
}

.view-content {
    display: none;
    height: 100%;
    overflow: auto;
}

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

/* 结构图视图 */
.structure-container {
    padding: 15px;
    height: 100%;
    overflow: auto;
}

.structure-tree {
    margin-left: 20px;
}

.structure-item {
    margin: 5px 0;
    position: relative;
}

.structure-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 5px;
}

.structure-type.object {
    background-color: rgba(74, 108, 247, 0.2);
    color: #4a6cf7;
}

.structure-type.array {
    background-color: rgba(46, 204, 113, 0.2);
    color: #2ecc71;
}

.structure-type.string {
    background-color: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
}

.structure-type.number {
    background-color: rgba(241, 196, 15, 0.2);
    color: #f1c40f;
}

.structure-type.boolean {
    background-color: rgba(155, 89, 182, 0.2);
    color: #9b59b6;
}

.structure-type.null {
    background-color: rgba(189, 195, 199, 0.2);
    color: #7f8c8d;
}

.structure-children {
    margin-left: 20px;
    border-left: 1px dashed var(--border-color);
    padding-left: 10px;
}

.structure-property {
    margin: 5px 0;
    display: flex;
    align-items: flex-start;
}

.structure-key {
    color: var(--primary-color);
    margin-right: 5px;
    font-weight: 500;
    min-width: 100px;
}

.type-info {
    margin: 5px 0;
    font-size: 12px;
}

.type-count {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    margin-right: 5px;
}

.more-info {
    font-style: italic;
    color: var(--text-color);
    opacity: 0.7;
    margin: 5px 0;
    font-size: 12px;
}

/* 图表视图 */
.chart-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--panel-bg);
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.chart-selector select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--panel-bg);
    color: var(--text-color);
    flex-grow: 1;
}

#chart-container {
    height: 400px;
    margin-top: 20px;
    position: relative;
}

/* 网络关系图视图 */
#network-container {
    height: 500px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--panel-bg);
}

/* 路径导航视图 */
.path-container {
    padding: 15px;
}

.path-search {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.path-search input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--panel-bg);
    color: var(--text-color);
}

.path-result {
    margin: 15px 0;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--panel-bg);
}

.path-info {
    margin-bottom: 10px;
    font-weight: 500;
}

#path-value {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 10px;
    border-radius: 4px;
    max-height: 200px;
    overflow: auto;
}

.dark-theme #path-value {
    background-color: rgba(255, 255, 255, 0.05);
}

.path-hints {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--panel-bg);
}

.path-hints h3 {
    margin-bottom: 10px;
    font-size: 16px;
}

.path-hints ul {
    margin-left: 20px;
}

.path-hints li {
    margin: 5px 0;
}

.path-hints code {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: monospace;
}

.dark-theme .path-hints code {
    background-color: rgba(255, 255, 255, 0.05);
}

/* 代码视图 */
#formatted-json {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    white-space: pre-wrap;
    padding: 10px;
    margin: 0;
    overflow: auto;
    height: 100%;
}

/* 树状视图 */
#tree-view {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
}

/* Escape/Unescape View Styles */
.escape-view-container {
    display: flex;
    flex-direction: column; /* Stack vertically by default */
    gap: 15px;
    padding: 20px;
    height: 100%; /* Ensure it fills the panel content area */
}

@media (min-width: 768px) { /* On wider screens, arrange horizontally */
    .escape-view-container {
        flex-direction: row;
        align-items: stretch; /* Make children same height */
    }
}

.escape-area {
    flex: 1; /* Allow areas to grow and shrink */
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevent overflow issues in flex */
}

.escape-area h3 {
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: 500;
}

.escape-area textarea {
    flex-grow: 1; /* Allow textarea to fill available space */
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--background-color); /* Use background color for contrast */
    color: var(--text-color);
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    resize: none; /* Disable manual resizing */
}

.escape-actions {
    display: flex;
    flex-direction: column; /* Stack buttons vertically by default */
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 0 10px; /* Add some padding */
}

@media (min-width: 768px) { /* On wider screens, keep vertical but center */
    .escape-actions {
       /* No change needed, keep vertical */
    }
}

.escape-actions .btn {
    width: 120px; /* Give buttons a fixed width */
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.json-tree {
    margin-left: 20px;
}

.json-property {
    margin: 5px 0;
    display: flex;
    align-items: flex-start;
}

.json-key {
    color: #9b59b6;
    margin-right: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.json-key i {
    margin-right: 5px;
    font-size: 12px;
    transition: transform 0.2s;
}

.json-key.collapsed i {
    transform: rotate(-90deg);
}

.json-value {
    flex: 1;
}

.json-string {
    color: #27ae60;
}

.json-number {
    color: #3498db;
}

.json-boolean {
    color: #e67e22;
}

.json-null {
    color: #7f8c8d;
    font-style: italic;
}

.json-array, .json-object {
    color: var(--text-color);
}

.json-edit-icon {
    margin-left: 5px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    color: var(--primary-color);
}

.json-property:hover .json-edit-icon {
    opacity: 1;
}

.json-edit-input {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    padding: 2px 5px;
    border: 1px solid var(--primary-color);
    border-radius: 3px;
    background-color: var(--panel-bg);
    color: var(--text-color);
}

/* 页脚样式 */
footer {
    flex-shrink: 0; /* Prevent footer from shrinking */
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
    color: #888;
    border-top: 1px solid var(--border-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .panel {
        height: 400px;
    }
    
    .panel-actions {
        flex-wrap: wrap;
    }
}