/*

This CSS file will be included with your plugin, and
available in the app when your plugin is enabled.

If your plugin does not need CSS, delete this file.

*/

.timeline-container {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
}

/* 移除原来的时间轴线 */
.timeline-container::before {
    display: none;
}

/* 时间轴线 */
.timeline-line {
    position: absolute;
    left: 10%;
    top: 60px; /* 从第一个项目开始 */
    bottom: 30px; /* 到最后一个项目结束 */
    width: 2px;
    background: var(--interactive-accent);
}

/* 时间段分隔 */
.timeline-era {
    position: relative;
    margin-bottom: 40px;
}

.timeline-era-title {
    font-size: 1.5em;
    margin-bottom: 20px;
    margin-left: 20%;
    margin-right:10%;
}

.timeline-era-date {
    font-size: 0.8em;
    color: var(--text-muted);
}

/* 时间轴项目 */
.timeline-item {
    position: relative;
}

/* 连接到主时间轴的横线 */
.timeline-item::after {
    content: '';
    position: absolute;
    left: 10%;
    width: 15%; 
    top: 50%;
    height: 2px;
    background: var(--interactive-accent);
    transform: translateY(-50%);
}

/* 内容卡片 */
.timeline-card {
    position: relative;
    z-index: 2;             /* 确保卡片在横线上方 */
    background: var(--background-primary-alt);
    margin-left: 20%;
    margin-right: 10%;
    border-radius: 8px;
    padding : 15px 15px 15px 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.timeline-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.timeline-title {
    font-size: 1.2em;
    margin-bottom: 8px;
    color: var(--text-normal);
    cursor: pointer;
}

.timeline-title:hover {
    color: var(--text-accent);
    text-decoration: underline;
}

.timeline-date {
    font-size: 0.9em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.timeline-preview {
    font-size: 0.9em;
    color: var(--text-normal);
    line-height: 1.5;
    border-left: 3px solid var(--timeline-line-color);
    padding-left: 10px;
    margin-top: 10px;
}

/* 图片预览 */
.timeline-image {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-top: 10px;
}

.timeline-export-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding: 10px;
}

.timeline-export-button {
    background-color: var(--interactive-accent);
    color: var(--text-on-accent);
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.timeline-export-button:hover {
    background-color: var(--interactive-accent-hover);
}

.timeline-header {
    text-align: center;
    margin-bottom: 20px;
    padding: 10px;
}

.timeline-header h2 {
    margin: 0;
    color: var(--text-normal);
    font-size: 1.5em;
}