/*Archivo CSS para el timeline*/

.vertical-timeline-container {
    display: block;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0 0 20px;
}

.timeline-header {
    text-align: center;
    margin-bottom: 40px;
}

.vertical-timeline {
    position: relative;
    padding-left: 30px;
}

.vertical-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: #3498db;
}

.timeline-milestone {
    position: relative;
    margin-bottom: 40px;
}

.timeline-milestone::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #3498db;
    border: 4px solid #fff;
    box-shadow: 0 0 0 3px #3498db;
}

.milestone-date {
    font-weight: bold;
    color: #3498db;
    margin-bottom: 10px;
    padding-top: 50px;
}

.milestone-content {
    background: #f9f9f9;
    /* max-width: 560px; */
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.milestone-title {
    margin-top: 0;
    color: #333;
}

.milestone-media {
    margin-top: 15px;
}

.milestone-media img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

.media-caption,
.media-credit {
    font-size: 0.9em;
    color: #666;
    margin-top: 5px;
}

.vertical-timeline-wrapper {
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px) {
    .vertical-timeline {
        padding-left: 20px;
    }

    .timeline-milestone::before {
        left: -28px;
    }
}

.vtl-nav-tab {
    display: none;
    position: fixed;
    top: 50vh;
    z-index: 10;
    left: 0;
    background: #3498db;
    color: #fff;
    border-radius: 0 6px 6px 0;
    padding: 8px 14px;
    font-size: 1.5em;
    cursor: pointer;
    z-index: 10000;
    box-shadow: 1px 2px 8px rgba(0, 0, 0, 0.08);
}

#vertical-timeline-wrapper {
    display: flex;
    flex-direction: row;
    gap: 32px;
    align-items: flex-start;
}

.vertical-timeline-nav-container {
    flex: 0 0 auto;
    width: auto;
    min-width: unset;
    max-width: unset;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    height: 50vh;
    z-index: 9999;
    display: flex;
    flex-direction: column;
}

.vertical-timeline-nav {
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 100%;
    max-width: 100%;
    scrollbar-width: thin;
    scrollbar-color: #3498db #e6f0fa;
}

/* Scrollbar azul y sin flechas para navegadores Webkit (puede aparecer en chrome) */
.vertical-timeline-nav::-webkit-scrollbar {
    width: 8px;
    background: #e6f0fa;
}

.vertical-timeline-nav::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 6px;
}

::-webkit-scrollbar-button:single-button {
    width: 0;
    height: 0;
    display: none;
    background: transparent;
}


.vertical-timeline-nav {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
    min-width: 60px;
    max-width: 180px;
    transition: left 0.3s;
    z-index: 9999;
}

.vtl-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.vtl-nav-list li {
    margin: 0;
    padding: 0;
}

.vtl-nav-list a {
    display: block;
    padding: 8px 16px;
    color: #0073aa;
    text-decoration: none;
    font-weight: bold;
    border-left: 3px solid transparent;
    transition: background 0.2s, border-color 0.2s;
}

.vtl-nav-list a:hover,
.vtl-nav-list a:active {
    background: #f0f6fa;
    border-left: 3px solid #3498db;
}

@media (max-width: 900px) {}

@media (max-width: 700px) {
    .vertical-timeline-nav-container {
        position: static;
        height: auto;
        background: none;
        pointer-events: none;
    }

    .vertical-timeline-nav {
        display: none;
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        min-width: 180px;
        max-width: 80vw;
        background: #fff;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.12);
        border-radius: 0 8px 8px 0;
        z-index: 2001;
        padding-top: 40px;
        pointer-events: auto;
    }

    .vertical-timeline-nav.open {
        display: block;
    }

    .vtl-nav-tab {
        display: block;
        pointer-events: auto;
        z-index: 2002;
        position: fixed;
    }
}


#vertical-timeline-wrapper {
    flex-direction: column;
    gap: 0;
}

.vertical-timeline-nav-container {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    margin-bottom: 10px;
}

.vertical-timeline-nav {
    max-width: 100%;
    width: 100%;
    border-radius: 0;
    padding: 0;
}

.vtl-nav-list {
    background: #fff;
    border-bottom: 1px solid #eee;
}