/* Main scrollytelling layout styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--color-text);
    line-height: 1.6;
}

/* Fixed graphic container - stays in place while content scrolls */
.scroll__graphic--fixed {
    position: fixed;
    top: 0;
    right: 0;
    width: calc(100% - var(--text-width));
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-darker);
    z-index: 1;
}

/* Scrollable content container */
.scroll__content {
    position: relative;
    width: var(--text-width);
    max-width: var(--text-max-width);
    margin-left: 0;
    padding: 0 var(--spacing-md) 0 var(--spacing-sm);
    z-index: 10;
}

/* Scrollytelling section layout */
.scroll-section {
    position: relative;
    min-height: 50vh;
}

/* Text column - no longer needed with new layout */
.scroll__text {
    position: relative;
    width: var(--text-width);
    max-width: var(--text-max-width);
    padding: 0 var(--spacing-sm);
    z-index: 10;
}

/* Individual scroll steps */
.step {
    min-height: var(--step-height);
    padding: var(--text-padding);
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
    transition: opacity var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.step.is-active {
    opacity: 1;
}

/* Step content styling */
.step h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.2;
}

.step h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-weight: 600;
}

.step h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-muted);
    font-weight: 500;
}

.step p {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.step p:last-child {
    margin-bottom: 0;
}

.step .quote {
    font-style: italic;
    font-size: var(--font-size-large);
    color: var(--color-text);
    line-height: 1.5;
}

.step .attribution {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.step a {
    color: var(--color-nt);
    text-decoration: none;
    border-bottom: 1px solid var(--color-nt);
    transition: opacity var(--transition-fast);
}

.step a:hover {
    opacity: 0.8;
}

/* Scroll indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: var(--spacing-lg);
    opacity: 0.6;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.scroll-arrow {
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(8px);
    }
    60% {
        transform: translateY(4px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 0.6;
        transform: translateY(0);
    }
}

/* Graphic column (sticky visualization) */
.scroll__graphic {
    flex: 1;
    height: var(--graphic-height);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-darker);
}

.scroll__graphic--sticky {
    position: sticky;
    top: 0;
}

/* SVG container */
.scroll__graphic svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Arc path styles */
.arc-path {
    fill: none;
    stroke-linecap: round;
    stroke-width: var(--arc-stroke-width);
    transition: stroke-opacity var(--transition-normal);
}

.arc-path--ot {
    stroke: var(--color-ot);
    stroke-opacity: var(--arc-opacity-base);
}

.arc-path--nt {
    stroke: var(--color-nt);
    stroke-opacity: var(--arc-opacity-base);
}

.arc-path--active {
    stroke-opacity: var(--arc-opacity-active);
}

.arc-path--highlight {
    stroke-opacity: var(--arc-opacity-highlight);
    stroke-width: var(--arc-stroke-width-highlight);
}

.arc-path--dim {
    stroke-opacity: var(--arc-opacity-dim);
}

/* Book axis baseline */
.baseline {
    stroke: var(--color-text);
    stroke-width: 1;
    stroke-opacity: 0.5;
}

/* Book tick marks */
.book-tick {
    stroke: var(--color-text);
    stroke-width: 0.5;
    stroke-opacity: 0.5;
}

/* Book labels */
.book-label {
    fill: var(--color-text);
    font-size: 8px;
    opacity: 0.7;
    transition: opacity var(--transition-normal);
}

/* Testament divider */
.testament-divider {
    stroke: var(--color-text);
    stroke-width: 2;
    stroke-opacity: 0.3;
    stroke-dasharray: 5, 5;
}

.testament-label {
    fill: var(--color-text-muted);
    font-size: 11px;
    font-weight: 500;
    opacity: 0.6;
}

/* Reference count badge */
.ref-count {
    display: inline-block;
    background-color: var(--bg-card);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: var(--font-size-small);
    color: var(--color-nt);
    margin-top: var(--spacing-xs);
}

/* Legend */
.legend {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--bg-dark);
    padding: var(--spacing-sm);
    border-radius: 4px;
    border: 1px solid var(--color-text-dim);
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-small);
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-swatch {
    width: 20px;
    height: 3px;
    margin-right: var(--spacing-xs);
    border-radius: 2px;
}

.legend-swatch--ot {
    background-color: var(--color-ot);
}

.legend-swatch--nt {
    background-color: var(--color-nt);
}

/* Annotations */
.annotation {
    fill: var(--color-text);
    font-size: 10px;
    opacity: 0.7;
}

/* Glow effect for highlighted books */
.book-highlight {
    filter: drop-shadow(0 0 8px var(--color-accent));
}

/* Deuterocanonical book highlighting */
.deuterocanonical {
    stroke: var(--color-deuterocanonical);
}

.deuterocanonical-highlight {
    filter: drop-shadow(0 0 6px var(--color-deuterocanonical));
}

/* Verses carousel */
.verses-carousel {
    margin-top: var(--spacing-md);
    position: relative;
}

.carousel-track {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-dim) transparent;
    padding-bottom: var(--spacing-sm);
}

.carousel-track::-webkit-scrollbar {
    height: 6px;
}

.carousel-track::-webkit-scrollbar-track {
    background: transparent;
}

.carousel-track::-webkit-scrollbar-thumb {
    background-color: var(--color-text-dim);
    border-radius: 3px;
}

.carousel-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
    font-size: 0.7rem;
    color: var(--color-text-dim);
}

.carousel-hint {
    opacity: 0.7;
}

.carousel-count {
    opacity: 0.5;
}

/* Verse card (carousel item) */
.verse-card {
    flex: 0 0 auto;
    width: 280px;
    min-width: 280px;
    padding: var(--spacing-sm);
    background-color: var(--bg-card);
    border-radius: 6px;
    scroll-snap-align: start;
}

/* OT section: source is OT (blue), targets are NT (gold) */
.verse-card--ot {
    border-left: 3px solid var(--color-ot);
}

.verse-card--ot .source-verse .verse-ref {
    color: var(--color-ot);
}

.verse-card--ot .target-verse .verse-ref {
    color: var(--color-nt);
}

/* NT section: source is NT (gold), targets are OT (blue) */
.verse-card--nt {
    border-left: 3px solid var(--color-nt);
}

.verse-card--nt .source-verse .verse-ref {
    color: var(--color-nt);
}

.verse-card--nt .target-verse .verse-ref {
    color: var(--color-ot);
}

.source-verse {
    margin-bottom: var(--spacing-sm);
}

.source-verse .verse-ref {
    display: block;
    font-size: var(--font-size-small);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.source-verse .verse-text {
    font-size: var(--font-size-small);
    color: var(--color-text);
    font-style: italic;
    line-height: 1.5;
    margin: 0;
}

.target-verses {
    border-top: 1px solid var(--color-text-dim);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.target-verse {
    margin-bottom: var(--spacing-sm);
}

.target-verse:last-child {
    margin-bottom: 0;
}

.target-verse .verse-ref {
    font-size: var(--font-size-small);
    font-weight: 500;
}

.target-verse .passage-group {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-left: var(--spacing-xs);
}

.target-verse .verse-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.4;
    margin: var(--spacing-xs) 0 0 0;
}