:root {
    --primary: #5a0c0c;
    --link: #006493;
    --info: #fcdfa6;
    --text: #333333;
    --background: #ffffff;
    --border: #dbdbdb;
    --hover: #f5f5f5;
    --transition-duration: 0.3s;
    --transition-timing: ease-in-out;
}

body {
    font-family: "Libre Baskerville", serif;
    color: var(--text);
    background-color: var(--background);
    line-height: 1.6;
    transition: background-color var(--transition-duration) var(--transition-timing);
}


/* Responsive utilities */

.for-movile {
    display: none;
}

@media only screen and (max-width: 768px) {
    .for-movile {
        display: block;
        animation: fadeIn var(--transition-duration) var(--transition-timing);
    }
    .for-desktop {
        display: none;
        animation: fadeOut var(--transition-duration) var(--transition-timing);
    }
}


/* Collapsible component */

.btn-collapsible {
    border: none;
    cursor: pointer;
    padding: 1rem;
    width: 100%;
    text-align: left;
    outline: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: bold;
    background-color: transparent;
    transition: all var(--transition-duration) var(--transition-timing);
}

.btn-collapsible:hover,
.btn-collapsible.active {
    background-color: var(--hover);
    transform: translateY(-2px);
}

.btn-collapsible::after {
    content: "\002B";
    color: var(--text);
    font-weight: bold;
    float: right;
    margin-left: 0.5rem;
    transition: transform var(--transition-duration) var(--transition-timing);
}

.btn-collapsible.active::after {
    content: "\2212";
    transform: rotate(180deg);
}

.coll-content {
    padding: 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-duration) var(--transition-timing), opacity var(--transition-duration) var(--transition-timing);
    background-color: transparent;
    opacity: 0;
}

.coll-content.active {
    max-height: 1000px;
    opacity: 1;
}


/* Panel component */

.panel-tabs {
    display: flex;
    font-size: 0.875rem;
    justify-content: center;
    background-color: transparent;
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition-duration) var(--transition-timing);
}

.panel-tabs a {
    padding: 0.5rem 1rem;
    color: var(--text);
    text-decoration: none;
    transition: all var(--transition-duration) var(--transition-timing);
}

.panel-tabs a.is-active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: translateY(-2px);
}

.panel.is-primary .panel-block.is-active .panel-icon,
.is-active-element i {
    color: var(--primary);
    transition: color var(--transition-duration) var(--transition-timing);
}


/* Custom components */

.info-modal {
    background-color: var(--info);
    padding: 1rem;
    border-radius: 4px;
    transition: all var(--transition-duration) var(--transition-timing);
}

.info-modal:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.semestre-border,
.semestre {
    border-bottom: 2px solid var(--border);
    transition: border-color var(--transition-duration) var(--transition-timing);
}

.semestre {
    background-color: rgba(255, 223, 155, 0.65);
    transition: background-color var(--transition-duration) var(--transition-timing);
}

.btn-active {
    background-color: rgba(255, 223, 155, 0.65);
    transition: background-color var(--transition-duration) var(--transition-timing);
}

.is-semestre-text {
    position: relative;
    top: 85px;
    transform: rotate(-90deg);
    font-style: italic;
    font-size: 1rem;
    transition: all var(--transition-duration) var(--transition-timing);
}

.is-semestrep-text {
    top: 5px;
    position: relative;
    font-style: italic;
    font-size: 1rem;
    transition: all var(--transition-duration) var(--transition-timing);
}


/* Accessibility */

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}


/* Print styles */

@media print {
    .btn-collapsible,
    .panel-tabs {
        display: none;
    }
    .coll-content {
        max-height: none;
        overflow: visible;
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.slider-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
}

.slide {
    flex: 0 0 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px;
    text-align: center;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: transparent;
    color: rgb(255, 79, 79);
    border: 2px solid white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}

.slider-btn:hover {
    background-color: #5a0c0c;
    opacity: 1;
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}