:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --bg-color: #f4f7f9;
    --panel-bg: #ffffff;
    --text-color: #333;
    --border-color: #e0e6ed;
    --font-family: 'Helvetica Neue', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

header {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
}

.container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.panel {
    background-color: var(--panel-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

#selection-panel { flex: 1; min-width: 300px; }
#editor-panel { flex: 2; min-width: 400px; }
#tools-panel { flex: 1; min-width: 300px; }

h2 {
    margin-top: 0;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    font-size: 1.2rem;
}

.suggestion-group {
    margin-bottom: 20px;
}

.suggestion-group h3 {
    margin-bottom: 10px;
    font-size: 1rem;
    color: #555;
}

.suggestion-item {
    display: block;
    margin-bottom: 8px;
    cursor: pointer;
}

.suggestion-item label {
    margin-left: 8px;
    cursor: pointer;
}

#final-comment {
    width: 100%;
    height: 500px;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    font-size: 1rem;
    resize: vertical;
}

.tool-group {
    margin-bottom: 20px;
}

#quote-category {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
}

#quotes-container {
    max-height: 300px;
    overflow-y: auto;
}

.quote-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-bottom: 1px dashed var(--border-color);
    font-size: 0.9rem;
}

.quote-item button {
    padding: 4px 8px;
    font-size: 0.8rem;
    cursor: pointer;
    background-color: #eaf2fd;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 4px;
    transition: background-color 0.2s;
}
.quote-item button:hover {
    background-color: var(--primary-color);
    color: white;
}


.btn {
    display: block;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-bottom: 10px;
}
.btn:hover {
    opacity: 0.9;
}
.btn-ai { background-color: var(--secondary-color); }
.btn-copy { background-color: var(--primary-color); }
.btn-copy.copied { background-color: #28a745; }


footer {
    text-align: center;
    padding: 15px 0;
    color: #888;
    font-size: 0.9rem;
}

/* 在 style.css 文件末尾添加 */
.theme-input-group {
    margin-bottom: 20px;
    padding: 10px;
    background-color: #eaf2fd;
    border: 1px solid var(--primary-color);
    border-radius: 6px;
}

.theme-input-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--primary-color);
}

#theme-input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}
/* --- 在style.css文件末尾添加以下内容 --- */

/* 为金句项添加一个平滑的过渡效果 */
.quote-item {
    transition: background-color 0.3s ease;
    /* 如果已有.quote-item样式，将此行合并进去即可 */
}

/* 选中的金句项的高亮样式 */
.quote-item.selected-quote {
    background-color: #eaf2fd; /* 一个舒适的淡蓝色背景 */
    border-left: 4px solid var(--primary-color); /* 左侧加一个醒目的蓝色边框 */
    font-weight: 600; /* 字体加粗 */
    padding-left: 12px; /* 增加一点左内边距，让边框和文字更好看 */
}
/* --- 在style.css文件末尾添加 --- */
.time-limit-group {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px 5px;
    background-color: #f8f9fa;
    border-radius: 5px;
}

.time-limit-group label {
    cursor: pointer;
    font-size: 0.9rem;
}

.time-limit-group input[type="radio"] {
    margin-right: 5px;
    vertical-align: middle;
}
/* 加载动画遮罩层样式 */
#loading-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
    color: white;
}
#loading-overlay .spinner {
    width: 50px; height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}