/* 基本样式和重置 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f8f9fa;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #007bff;
    margin-bottom: 1em; /* 设置标题下方的外边距为 1em（em 是一个相对单位，1em 等于当前元素的字体大小） */
    text-align: center;
}

h1 {
    margin-bottom: 0.5em;
}

/* 操作按钮区域 */
.actions {
    margin-bottom: 25px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap; /* 移动端换行 */
    justify-content: center;
}

button, .btn-import {
    padding: 10px 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s ease, transform 0.1s ease;
    background-color: #007bff;
    color: white;
}

button:hover, .btn-import:hover {
    background-color: #0056b3;
}

button:active, .btn-import:active {
    transform: scale(0.98);
}

.btn-import {
    display: inline-block; /* 使 label 像 button 一样 */
}

/* 提示词列表 */
.prompt-list {
    margin-top: 20px;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.prompt-item {
    background-color: #fff;
    border: 1px solid #e9ecef;
    border-radius: 5px;
    padding: 15px 20px;
    margin-bottom: 15px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: relative; /* 为了定位按钮 */
    transition: all 0.3s ease;
}

.prompt-item.expanded {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.prompt-item h3 {
    margin-top: 0;
    margin-bottom: 5px; /* 缩小与时间的间距 */
    color: #495057;
    font-size: 1.1rem;
}

.prompt-header {
    cursor: pointer;
    position: relative;
    padding-right: 30px; /* 为展开按钮留出空间 */
}

.prompt-header:hover {
    background-color: #f8f9fa;
    border-radius: 4px;
}

.prompt-preview {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 5px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.expand-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 3px 6px;
    user-select: none;
}

.expand-toggle:hover {
    color: #007bff;
}

.prompt-time {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 5px;
    font-style: italic;
    line-height: 1.4;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 5px;
}

.time-item {
    display: inline-block;
}

.time-separator {
    color: #adb5bd;
    display: inline-block;
}

.prompt-content {
    margin-top: 10px;
    border-top: 1px dashed #e9ecef;
    padding-top: 10px;
}

.prompt-item pre {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 4px;
    white-space: pre-wrap; /* 保持换行 */
    word-wrap: break-word; /* 长单词换行 */
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    font-size: 0.95em;
    color: #212529;
    max-height: 300px; /* 限制展开后的预览高度 */
    overflow-y: auto; /* 超出滚动 */
}

.prompt-item-actions {
    margin-top: 10px;
    text-align: right;
}

.prompt-item-actions button {
    padding: 5px 10px;
    font-size: 0.9rem;
    margin-left: 8px;
}

.copy-btn {
    background-color: #17a2b8; /* 蓝绿色 */
}
.copy-btn:hover {
    background-color: #138496;
}

.edit-btn {
    background-color: #28a745; /* 绿色 */
}
.edit-btn:hover {
    background-color: #218838;
}

.delete-btn {
    background-color: #dc3545; /* 红色 */
}
.delete-btn:hover {
    background-color: #c82333;
}

/* 模态框样式 */
.modal {
    display: none; /* 初始隐藏 */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明背景 */
    padding-top: 60px;
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 30px;
    border: 1px solid #ddd;
    width: 80%;
    max-width: 600px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.close-btn {
    color: #aaa;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover,
.close-btn:focus {
    color: #555;
    text-decoration: none;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #495057;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box; /* 防止 padding 撑大 */
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical; /* 允许垂直调整大小 */
    min-height: 150px;
}

#save-prompt-btn {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
}

/* 移动端友好调整 */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    .modal-content {
        width: 90%;
        padding: 20px;
    }
    .actions {
        flex-direction: column; /* 按钮垂直排列 */
        align-items: stretch; /* 按钮宽度撑满 */
    }
}

/* 在小屏幕上优化时间显示 */
@media (max-width: 500px) {
    .prompt-time {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .time-separator {
        display: none; /* 在垂直排列时隐藏分隔符 */
    }
}