:root {
    --bulma-link-text: #343434!important;
}

/* ***** General ***** */

a { color: var(--bulma-link-text); font-weight: 600; }
a:hover { color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l)); }

/* ***** Header ***** */

#section-header { background-color: var(--background-smoke); position: relative; z-index: 10; }
header { position: relative; }
#section-header .columns { position: relative; z-index: 2; }
#section-header .buttons { position: relative; z-index: 3; }

/* ***** Footer ***** */

footer { background-color: #9cc4e4; color: white; }
footer a { color: white; }
footer a:hover { color: var(--bulma-link-text); }

/* ***** Home slider ***** */

.header-slider-wrapper { position: relative; height: 550px; margin-top: -135px; z-index: 0; }
.slider { width: 100%; height: 550px; position: absolute; top: 0; left: 0; z-index: 1; }
.slider img { width: 100%; height: 100%; object-fit: cover; display: block; }
.swiper-home { 
	border-radius:12px; 
	box-shadow: var(--my-shadow);
	width: 100%; 
	height: 100vh; 
}
.swiper-home img { width: 100%; height: 100%; object-fit: cover; }

/* Tab buttons */
.tab-button { padding: 0.5rem 1rem; border-radius: 32px; text-transform: uppercase; font-size: 0.85rem; }
.tab-button.is-active { color:white; background-color: hsl(var(--bulma-secondary-h), var(--bulma-secondary-s), var(--bulma-secondary-l));}
.tab-button.is-active:hover { color: var(--bulma-link-text); }

/* ***** Loader ***** */

#modal-loader { z-index:9999; }

.modal-background-noclick { 
	background-color: rgba(10, 10, 10, 0.86); 
	bottom: 0;
	left: 0;
	position: absolute;
	right: 0;
	top: 0;
}

.lds-ripple {
	position: absolute;
	left: 50%;
	top: 50%;
}

.lds-ripple div {
	position: absolute;
	border: 4px solid white;
	opacity: 1;
	border-radius: 50%;
	animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

.lds-ripple div:nth-child(2) {
	animation-delay: -0.5s;
}

@keyframes lds-ripple {
	0% {
		top: 60px;
		left: 60px;
		width: 0;
		height: 0;
		opacity: 1;
	}
	100% {
		top: 0px;
		left: 0px;
		width: 120px;
		height: 120px;
		opacity: 0;
	}
}

/* ***** Scroll to Top Button ***** */
.scroll-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background-color: #343434; color: white; border: none; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); z-index: 1000; opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.3s ease; }
.scroll-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-to-top:hover { background-color: hsl(var(--color-primary-h), var(--color-primary-s), calc(var(--color-primary-l) - 10%)); transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25); }
.scroll-to-top:active { transform: translateY(-1px); }
.scroll-to-top svg { width: 24px; height: 24px; transition: transform 0.2s ease; }
.scroll-to-top:hover svg { transform: translateY(-2px); }

/* Índice de la webapp */
summary::marker { color: #d1d1d1; }
.chapter-number { font-weight: bold; color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l)); }

nav.index details { cursor: pointer; }
nav.index ul { margin-top: 5px!important; margin-bottom: 15px; list-style: none; margin-inline-start: 1em; }
nav.index ul li { font-size: 0.9em; }

nav.index details .section-number { font-weight: bold; color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l)); }

nav.index .section-item { padding: 4px 8px; margin: 1px 0; border-radius: 4px; transition: background-color 0.2s ease; }
nav.index .section-item:hover { background-color: #f5f5f5; }
nav.index .section-item.active { background-color: #e3f2fd; border-left: 3px solid hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l)); }
nav.index .section-item.active .section-number { color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));; font-weight: bold; }

/* Enhanced content styling */
#webapp-content figure { margin-left: 0; margin-right: 0; }
#webapp-content p { text-align: justify; }
#webapp-content figure img { border-radius: 8px; box-shadow: var(--my-shadow); }

.section-title {
    color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    border-bottom: 2px solid hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.section-subtitle {
    color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
	border-bottom: 2px solid hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    font-weight: 600;
    font-size: 1.2rem;
    margin: 2rem 0 1rem 0;
	width: 100%;
	display: block;
}

.caption {
    font-size: 0.9em;
    margin: 1.5rem 0;
    background-color: hsl(var(--color-primary-light-h), var(--color-primary-light-s), var(--color-primary-light-l));
    padding: 1rem;
    border-radius: 6px;
    text-align: justify;
}


.order-number {
    color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    font-weight: 700;
    margin-right: 0.5rem;
}

.chapter-metadata {
    background-color: #f8f9fa;
    border-left: 4px solid hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    padding: 1rem;
    margin-bottom: 2rem;
    border-radius: 4px;
}

.author {
    margin-bottom: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-name {
    font-weight: 600;
    color: #333;
}

.author-center {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

.bibliography {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
}

.bibliography-title {
    color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.reference {
    margin-bottom: 5px;
    padding: 0.5rem;
    background-color: whitesmoke;
    border-radius: 6px;
    font-size: 0.8rem;
    transition: all 0.5s ease;
}

.reference-number {
    font-weight: bold;
    color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
    margin-right: 0.5rem;
}

/* Reference link tooltips */
.reference-link {
    position: relative;
    cursor: pointer;
    text-decoration: none;
    color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));
}

.reference-link:hover {
    text-decoration: underline;
}

.reference-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: white;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    line-height: 1.4;
    white-space: normal;
    min-width: 300px;
    max-width: 500px;
    width: max-content;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 8px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.reference-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #333;
}

.reference-link:hover .reference-tooltip {
    opacity: 1;
    visibility: visible;
}

.reference:hover {
    background-color: hsl(var(--color-primary-light-h), var(--color-primary-light-s), var(--color-primary-light-l));
    transform: translateY(-5px);
    transition: transform 0.2s ease;
}

.doi-button {
    background-color: #343434;
    color: white;
    padding: 2px 5px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-decoration: none;
    margin-left: 8px;
    display: inline-block;
    transition: all 0.5s ease;
}

.doi-button:hover { background-color: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l)); color: white; }