:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --accent-color: #1abc9c;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

h1 {
    margin-bottom: 10px;
    font-weight: 400;
}

.description {
    font-size: 16px;
    opacity: 0.9;
}

main {
    padding: 20px;
}

.section {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.section-title {
    margin-bottom: 15px;
    font-size: 20px;
    color: var(--secondary-color);
}

.file-input-area {
    border: 2px dashed var(--border-color);
    padding: 30px;
    text-align: center;
    border-radius: 5px;
    background-color: var(--light-gray);
    transition: all 0.3s;
    cursor: pointer;
    margin-bottom: 20px;
}

.file-input-area:hover, .file-input-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.file-input-area p {
    margin-bottom: 15px;
    font-size: 16px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s;
    margin: 5px;
    font-weight: 500;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

.btn-secondary:hover {
    background-color: #16a085;
}

.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#directoryDisplay {
    margin-bottom: 15px;
    font-weight: bold;
}

#preview {
    background-color: var(--light-gray);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    line-height: 1.5;
    margin-bottom: 20px;
    font-size: 14px;
    color: #333;
    position: relative;
}

/* 添加语法高亮的基本样式 */
.hljs-comment, .hljs-quote {
    color: #998;
    font-style: italic;
}

.hljs-keyword, .hljs-selector-tag, .hljs-subst {
    color: #333;
    font-weight: bold;
}

.hljs-string, .hljs-doctag {
    color: #d14;
}

.hljs-title, .hljs-section, .hljs-selector-id {
    color: #900;
    font-weight: bold;
}

.hljs-subst {
    font-weight: normal;
}

.hljs-type, .hljs-class .hljs-title {
    color: #458;
    font-weight: bold;
}

.hljs-tag, .hljs-name, .hljs-attribute {
    color: #000080;
    font-weight: normal;
}

.hljs-regexp, .hljs-link {
    color: #009926;
}

.hljs-symbol, .hljs-bullet {
    color: #990073;
}

.hljs-built_in, .hljs-builtin-name {
    color: #0086b3;
}

.hljs-meta {
    color: #999;
    font-weight: bold;
}

.hljs-deletion {
    background: #fdd;
}

.hljs-addition {
    background: #dfd;
}

.hljs-emphasis {
    font-style: italic;
}

.hljs-strong {
    font-weight: bold;
}

.options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.option-group {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 15px;
}

.form-group:last-child {
    margin-bottom: 0;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #444;
}

input[type="text"], textarea, input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    background-color: white;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus, textarea:focus, input[type="number"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

.checkbox-group {
    margin-top: 15px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label span {
    margin-left: 8px;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.number-input-container {
    display: flex;
    align-items: center;
}

input[type="number"] {
    width: 80px;
    text-align: center;
}

.input-hint {
    margin-left: 10px;
    color: #777;
    font-size: 14px;
}

textarea {
    height: 80px;
    font-family: monospace;
    resize: vertical;
}

#ignorePatterns {
    height: 150px;
}

#commentsArea {
    height: 180px;
}

/* 确保左右两列高度一致 */
.option-group:first-child {
    display: flex;
    flex-direction: column;
}

.option-group:first-child .form-group:last-child {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.option-group:first-child .form-group:last-child textarea {
    flex-grow: 1;
}

.option-group:last-child {
    display: flex;
    flex-direction: column;
}

.option-group:last-child .form-group:first-child {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.option-group:last-child .form-group:first-child textarea {
    flex-grow: 1;
}

.inline-form-control {
    display: flex;
    align-items: center;
}

.inline-form-control label {
    margin-bottom: 0;
    margin-right: 10px;
}

.success-message {
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    display: none;
}

.error-message {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    display: none;
}

/* 模拟的文件树结构 */
.demo-tree {
    margin-top: 20px;
    font-family: monospace;
}

footer {
    text-align: center;
    padding: 20px;
    color: #777;
    font-size: 14px;
}

@media (max-width: 768px) {
    .option-group {
        flex: 100%;
    }
}