:root {
    --bg-color: #fdfcfa;
    --text-color: #2a2a2a;
    --accent-color: #c65d3b;
    --accent-hover: #a84d2b;
    --muted-color: #6b6b6b;
    --border-color: #e8e5e0;
    --number-color: #c65d3b40;
    --number-bg-color: #c65d3b15;
    --card-bg: #ffffff;
    --card-shadow: rgba(197, 93, 59, 0.08);
    --text-gradient: linear-gradient(135deg, #2a2a2a 0%, #4a4a4a 100%);
    --spotlight-accent: var(--accent-color);
}

[data-theme="dark"] {
    --bg-color: #1a1816;
    --text-color: #e8e5e0;
    --accent-color: #e07855;
    --accent-hover: #f5916f;
    --muted-color: #9a9590;
    --border-color: #2d2a27;
    --number-color: #c65d3b50;
    --number-bg-color: #c65d3b25;
    --card-bg: #221f1d;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --text-gradient: linear-gradient(135deg, #e8e5e0 0%, #c8c3be 100%);
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--spotlight-accent, var(--accent-color)) transparent;
}

::selection {
    background-color: var(--accent-color);
    color: white;
}

::-moz-selection {
    background-color: var(--accent-color);
    color: white;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 10% 20%, var(--number-bg-color) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, var(--number-bg-color) 0%, transparent 50%);
    background-attachment: fixed;
    transition: background-color 0.3s ease, color 0.3s ease;
    padding: 40px 20px;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html::-webkit-scrollbar {
    width: 10px;
}

html::-webkit-scrollbar-track {
    background: transparent;
}

html::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 999px;
    box-shadow: inset 0 0 0 2px var(--bg-color);
}

.container {
    max-width: 680px;
    margin: 0 auto;
}

@media (min-width: 1400px) {
    .container {
        max-width: 720px;
    }

    .chapter-content {
        font-size: 1.2em;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
header {
    margin-bottom: 80px;
    position: relative;
    animation: fadeInUp 0.6s ease-out;
}

h1 {
    font-size: 2.6em;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-color);
    line-height: 1.1;
}

.subtitle {
    color: var(--muted-color);
    font-size: 1em;
    font-weight: 400;
}

.theme-toggle {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.6;
    padding: 8px;
    z-index: 100;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    opacity: 1;
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-color);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.3s ease;
}

.theme-toggle:hover svg {
    transform: rotate(20deg);
}

.theme-toggle:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

[data-theme="light"] .moon {
    display: none;
}

[data-theme="dark"] .sun {
    display: none;
}

/* Story info */
.story-info {
    margin-bottom: 60px;
    padding: 32px;
    background: var(--card-bg);
    background-image: linear-gradient(135deg, var(--number-bg-color) 0%, transparent 100%);
    border-left: 4px solid var(--accent-color);
    border-radius: 4px;
    box-shadow: 0 2px 12px var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: fadeInUp 0.7s ease-out 0.15s both;
}

.description {
    font-size: 1.05em;
    line-height: 1.6;
    color: var(--text-color);
}

/* Character spotlight */
.character-spotlight {
    margin-bottom: 72px;
    animation: fadeInUp 0.75s ease-out 0.2s both;
}

.character-spotlight-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.character-spotlight h2 {
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted-color);
    margin-bottom: 6px;
}

.character-spotlight-subtitle {
    color: var(--text-color);
    font-size: 0.95em;
}

.character-spotlight-meta {
    white-space: nowrap;
    color: var(--muted-color);
    font-size: 0.9em;
}

.character-card-scroller {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(260px, 1fr);
    gap: 20px;
    overflow-x: auto;
    overflow-y: visible;
    padding-top: 12px;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--spotlight-accent, var(--accent-color)) transparent;
}

.character-card-scroller::-webkit-scrollbar {
    height: 6px;
}

.character-card-scroller::-webkit-scrollbar-track {
    background: transparent;
}

.character-card-scroller::-webkit-scrollbar-thumb {
    background-color: var(--spotlight-accent, var(--accent-color));
    border-radius: 999px;
    box-shadow: inset 0 0 0 2px var(--bg-color);
}

.character-card {
    position: relative;
    scroll-snap-align: start;
    text-align: left;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    color: inherit;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow: hidden;
}

.character-card-media {
    width: 100%;
    aspect-ratio: 3 / 2;
    border-radius: 10px;
    overflow: hidden;
    background: var(--number-bg-color);
    display: block;
}

.character-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.character-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--character-accent, var(--accent-color)) 0%, transparent 65%);
    opacity: 0.08;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 0;
}

.character-card > * {
    position: relative;
    z-index: 1;
}

.character-card:hover,
.character-card:focus,
.character-card:focus-visible {
    transform: translateY(-8px);
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.12);
    border-color: var(--character-accent, var(--accent-color));
    outline: none;
}

.character-card:hover::before,
.character-card:focus::before,
.character-card:focus-visible::before {
    opacity: 0.18;
}

.character-card:focus-visible {
    box-shadow: 0 0 0 4px rgba(198, 93, 59, 0.15), 0 18px 45px rgba(0, 0, 0, 0.1);
}

.character-card-header h3 {
    font-size: 1.3em;
    font-weight: 700;
    letter-spacing: -0.015em;
}

.character-role {
    color: var(--muted-color);
    font-size: 0.9em;
}

.character-summary {
    font-size: 0.95em;
    line-height: 1.6;
    color: var(--text-color);
}

.character-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.character-traits span {
    background: var(--number-bg-color);
    color: var(--text-color);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.72em;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.character-card-cta {
    font-size: 0.85em;
    color: var(--accent-color);
    font-weight: 600;
    margin-top: auto;
}

@media (max-width: 640px) {
    .character-card-scroller {
        grid-auto-columns: minmax(220px, 80%);
    }
}

/* Character modal */
.character-modal {
    position: fixed;
    inset: 0;
    background: rgba(18, 16, 14, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 1000;
}

.character-modal.open {
    display: flex;
}

.character-modal-dialog {
    position: relative;
    background: var(--card-bg);
    border-radius: 16px;
    max-width: 680px;
    width: min(680px, 100%);
    max-height: min(90vh, 760px);
    overflow-y: auto;
    padding: 40px 36px 36px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    border-top: 6px solid var(--character-accent, var(--accent-color));
    scrollbar-width: thin;
    scrollbar-color: var(--character-accent, var(--accent-color)) transparent;
}

.character-modal-dialog::-webkit-scrollbar {
    width: 8px;
}

.character-modal-dialog::-webkit-scrollbar-track {
    background: transparent;
}

.character-modal-dialog::-webkit-scrollbar-thumb {
    background: var(--character-accent, var(--accent-color));
    border-radius: 4px;
}

.character-modal-close {
    border: none;
    background: transparent;
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background 0.2s ease, transform 0.2s ease;
    position: relative;
}

.character-modal-close span {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.character-modal-close::before,
.character-modal-close::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 2px;
    background: var(--character-accent, var(--accent-color));
    border-radius: 999px;
    transition: background 0.2s ease;
}

.character-modal-close::before {
    transform: rotate(45deg);
}

.character-modal-close::after {
    transform: rotate(-45deg);
}

.character-modal-close:hover {
    background: color-mix(in srgb, var(--character-accent, var(--accent-color)) 15%, transparent);
    transform: scale(1.05);
}

.character-modal-close:focus-visible {
    background: color-mix(in srgb, var(--character-accent, var(--accent-color)) 15%, transparent);
    transform: scale(1.05);
    outline: 2px solid var(--character-accent, var(--accent-color));
    outline-offset: 3px;
}

.character-modal-close:hover::before,
.character-modal-close:hover::after {
    background: var(--character-accent, var(--accent-color));
}

.character-modal-close:focus-visible::before,
.character-modal-close:focus-visible::after {
    background: var(--character-accent, var(--accent-color));
}


.character-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    position: relative;
    padding-right: 140px;
}

.character-modal-media {
    margin: -4px 0 18px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--number-bg-color);
    display: none;
}

.character-modal-media img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.character-modal-title-block {
    flex: 1 1 260px;
    min-width: 220px;
}

.character-modal-header h3 {
    font-size: 1.9em;
    letter-spacing: -0.02em;
}

.character-modal-role {
    color: var(--muted-color);
    font-size: 0.95em;
    margin-top: 4px;
}

.character-modal-actions {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
    justify-content: flex-end;
    position: absolute;
    top: 12px;
    right: 12px;
}

.character-modal-link {
    color: var(--character-accent, var(--accent-color));
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    background: var(--number-bg-color);
    border-radius: 999px;
    white-space: nowrap;
}

.character-modal-summary {
    margin-bottom: 18px;
    font-size: 1em;
    line-height: 1.7;
}

.character-modal-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}

.character-modal-traits span {
    background: var(--number-bg-color);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.75em;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.character-modal-sections {
    display: grid;
    gap: 18px;
}

.character-modal-section h4 {
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-color);
    margin-bottom: 8px;
}

.character-modal-section p {
    line-height: 1.7;
}

.character-modal-section {
    background: linear-gradient(135deg, var(--number-bg-color) 0%, transparent 85%);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--character-accent, var(--accent-color));
    border-radius: 12px;
    padding: 18px 22px;
}

@media (min-width: 720px) {
    .character-modal-header {
        flex-direction: row;
        align-items: flex-end;
        flex-wrap: wrap;
    }
}

@media (max-width: 720px) {
    .character-modal-dialog {
        padding: 32px 22px 28px;
    }

    .character-modal-actions {
        position: static;
        justify-content: flex-start;
        gap: 10px;
        margin-top: 8px;
        flex-direction: row;
    }

    .character-modal-header {
        padding-right: 0;
    }
}

/* Chapters */
.chapters {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.chapters h2 {
    font-size: 0.8em;
    margin-bottom: 32px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-color);
}

.chapter-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.chapter-item {
    display: flex;
    align-items: center;
    padding: 24px 20px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    background: var(--card-bg);
    margin-bottom: 4px;
    border-radius: 4px;
}

.chapter-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-color);
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chapter-item:hover {
    color: var(--accent-color);
    transform: translateX(8px);
    box-shadow: 0 4px 20px var(--card-shadow);
}

.chapter-item:hover::before {
    transform: scaleY(1);
}

.chapter-item:hover .chapter-number {
    color: var(--accent-color);
    font-weight: 700;
    transform: scale(1.05);
}

.chapter-item:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.chapter-number {
    font-size: 3.2em;
    font-weight: 800;
    color: var(--number-color);
    margin-right: 24px;
    line-height: 1;
    min-width: 85px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-variant-numeric: tabular-nums;
}

.chapter-title {
    font-size: 1.25em;
    color: inherit;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: all 0.3s ease;
}

/* Chapter page */
.chapter-header {
    margin-bottom: 80px;
    position: relative;
    padding-top: 60px;
}

.chapter-header .chapter-number {
    position: absolute;
    top: -30px;
    left: -15px;
    font-size: 14em;
    font-weight: 900;
    color: var(--number-bg-color);
    z-index: -1;
    line-height: 1;
    pointer-events: none;
    font-variant-numeric: tabular-nums;
    opacity: 0.8;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chapter-header h1 {
    font-size: 2.4em;
    margin-bottom: 12px;
    position: relative;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.chapter-meta {
    color: var(--muted-color);
    font-size: 0.85em;
    margin-top: 8px;
}

.chapter-content {
    font-size: 1.15em;
    line-height: 1.85;
    margin-bottom: 80px;
    color: var(--text-color);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.chapter-content p {
    margin-bottom: 1.6em;
}

.chapter-content p:first-of-type {
    font-size: 1.2em;
    color: var(--text-color);
    font-weight: 400;
}

.chapter-content em {
    font-style: italic;
    color: var(--text-color);
}

.chapter-content strong {
    font-weight: 700;
    color: var(--text-color);
}

.chapter-content hr {
    border: none;
    text-align: center;
    margin: 3em 0;
    color: var(--muted-color);
}

.chapter-content hr::before {
    content: '* * *';
    font-size: 1.2em;
    letter-spacing: 1em;
    color: var(--accent-color);
}

/* Navigation */
.chapter-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    border-top: 2px solid var(--border-color);
    margin: 60px 0 40px 0;
}

.nav-button {
    padding: 14px 28px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95em;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(197, 93, 59, 0.2);
    position: relative;
    overflow: hidden;
}

.nav-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.nav-button:hover::before {
    left: 100%;
}

.nav-button:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(197, 93, 59, 0.3);
}

.nav-button:active {
    transform: translateY(-1px);
}

.nav-button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

.nav-button.disabled {
    opacity: 0.25;
    pointer-events: none;
    box-shadow: none;
}

.back-to-index {
    font-family: inherit;
    text-align: center;
}

.back-to-index a {
    color: var(--muted-color);
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 500;
    position: relative;
    transition: color 0.2s ease;
}

.back-to-index a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.back-to-index a:hover {
    color: var(--accent-color);
}

.back-to-index a:hover::after {
    transform: scaleX(1);
}

/* Footer */
footer {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--muted-color);
    font-size: 0.9em;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500;
}

footer a:hover {
    color: var(--accent-hover);
}

/* Accessibility - Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 24px 20px;
        font-size: 16px;
    }

    h1 {
        font-size: 2em;
    }

    .chapters h2 {
        font-size: 0.75em;
    }

    .chapter-item {
        padding: 20px 16px;
    }

    .chapter-number {
        font-size: 2.4em;
        min-width: 60px;
        margin-right: 16px;
    }

    .chapter-title {
        font-size: 1.1em;
    }

    .chapter-header {
        padding-top: 40px;
        margin-bottom: 60px;
    }

    .chapter-header .chapter-number {
        font-size: 9em;
        top: -15px;
        left: -8px;
    }

    .chapter-header h1 {
        font-size: 1.8em;
    }

    .chapter-content {
        font-size: 1.08em;
    }

    .theme-toggle {
        position: static;
        margin-bottom: 20px;
        display: inline-block;
    }

    .nav-button {
        padding: 12px 20px;
        font-size: 0.9em;
    }

    .story-info {
        padding: 24px;
    }
}