/* UI Components */

/* Home Page */
.home-content {
      text-align: center;
      padding: 0 var(--padding-mobile);
      margin-top: calc(-1 * var(--space-2xl));
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: var(--space-lg);
  }

.start-reading-btn {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-background);
    background-color: var(--color-text-primary);
    border: 2px solid var(--color-text-primary);
    padding: var(--space-md) var(--space-xl);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.start-reading-btn:hover {
    background-color: var(--color-background);
    color: var(--color-text-primary);
}

/* Credential Button - press pass as welcome button */
.credential-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.credential-btn:hover {
    transform: scale(1.02);
}

.credential-btn:active {
    transform: scale(0.98);
    opacity: 0.9;
}

.credential-carousel {
    position: relative;
    width: 350px;
    height: 580px;
    margin: 0 auto;
}

.credential-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.credential-img.active {
    opacity: 1;
}

@media (max-width: 480px) {
    .credential-carousel {
        width: 280px;
        height: 460px;
    }
}

/* Continue Reading Banner */
.continue-reading {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-accent);
    color: var(--color-background);
    padding: var(--space-lg) var(--padding-mobile);
    border-bottom: 2px solid var(--color-accent);
    z-index: 85;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.continue-reading:hover {
    background-color: var(--color-text-secondary);
}

.continue-reading-content {
    max-width: var(--max-width-reader);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.continue-reading-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
}

.continue-reading-chapter {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

/* Scene Break */
.scene-break {
    text-align: center;
    margin: var(--space-3xl) 0;
    padding: var(--space-lg) 0;
    position: relative;
}

.scene-break span {
    font-family: var(--font-serif);
    color: var(--color-text-tertiary);
    letter-spacing: 0.5em;
}

/* Flashback Header */
.flashback-header {
    font-family: var(--font-mono);
    font-weight: bold;
    text-transform: uppercase;
    text-align: center;
    text-indent: 0;
}

/* Block Quote (emails, letters, documents) */
.block-quote {
    margin: var(--space-xl) 0;
    padding: var(--space-lg) var(--space-xl);
    border-left: 3px solid var(--color-border);
    background-color: var(--color-accent-light);
    text-indent: 0 !important;
}

/* Datelines (inline within chapters - italic, not bold) */
.dateline {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: normal;
}

/* Paragraphs starting with datelines - no text-indent */
.has-dateline {
    text-indent: 0 !important;
}

/* Scene/section breaks (for major transitions) */
.section-break {
    margin: var(--space-2xl) 0;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

/* ============================================
   TOP SECTIONS (BOOK, BLOG, ABOUT, AUDIO, PHOTOS)
   Larger font size
   ============================================ */
.toc-top-section {
    border-bottom: 1px solid var(--color-border);
}

.toc-top-header {
    padding: var(--space-md) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: var(--color-background);
    transition: background-color var(--transition-fast);
    position: relative;
}

.toc-top-header:hover {
    background-color: var(--color-accent-light);
}

.toc-top-header::after {
    content: '▼';
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-left: var(--space-sm);
    transition: transform var(--transition-fast);
}

.toc-top-header.expanded::after {
    transform: rotate(180deg);
}

/* Link sections - no dropdown arrow */
.toc-top-link::after {
    content: none;
}

.toc-top-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    font-weight: bold;
    color: var(--color-text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
}

.toc-top-content,
.toc-book-content {
    max-height: 5000px;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.toc-top-content.collapsed,
.toc-book-content.collapsed {
    max-height: 0;
}

/* ============================================
   NESTED SECTIONS (inside BOOK: INTRO, years, POSTSCRIPT)
   ============================================ */
.toc-nested-section {
    border-bottom: 1px solid var(--color-border);
}

.toc-nested-section:last-child {
    border-bottom: none;
}

.toc-nested-header {
    padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: var(--color-accent-light);
    transition: background-color var(--transition-fast);
    position: relative;
}

.toc-nested-header:hover {
    background-color: var(--color-border);
}

.toc-nested-header.disabled {
    cursor: default;
    opacity: 0.6;
}

.toc-nested-header.disabled:hover {
    background-color: var(--color-accent-light);
}

.toc-nested-header.disabled::after {
    content: none;
}

.toc-nested-header::after {
    content: '▼';
    display: inline-block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-left: var(--space-sm);
    transition: transform var(--transition-fast);
}

.toc-nested-header.expanded::after {
    transform: rotate(180deg);
}

.toc-nested-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-primary);
    margin: 0;
}

.toc-nested-chapters {
    max-height: 2000px;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.toc-nested-chapters.collapsed {
    max-height: 0;
}

/* Chapter items inside nested sections (deeper indentation) */
.toc-nested-chapters .toc-chapter {
    padding-left: var(--space-lg);
}

/* Divider between chapters and content sections */
.toc-divider {
    height: 2px;
    background-color: var(--color-border);
    margin: var(--space-lg) 0;
}

/* Content Sections (Blog, Podcast, etc.) */
.toc-content-section {
    border-bottom: 1px solid var(--color-border);
}

.toc-section-header {
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    background-color: var(--color-accent-light);
    transition: background-color var(--transition-fast);
    position: relative;
}

.toc-section-header:hover {
    background-color: var(--color-border);
}

.toc-section-header::after {
    content: '▼';
    display: inline-block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.toc-section-header.expanded::after {
    transform: rotate(180deg);
}

/* Link sections - no dropdown arrow */
.toc-section-link::after {
    content: none;
}

.toc-section-icon {
    font-size: var(--font-size-lg);
    filter: grayscale(100%);
    opacity: 0.4;
}

.toc-section-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-secondary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toc-section-content {
    max-height: 2000px;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.toc-section-content.collapsed {
    max-height: 0;
}

.coming-soon {
    padding: var(--space-xl) var(--padding-mobile);
    text-align: center;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-style: italic;
    letter-spacing: var(--letter-spacing-tight);
}

/* Chapter list items in TOC */
.toc-chapter {
    padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-height: var(--min-touch-target);
    position: relative;
    background-color: var(--color-background);
}

/* Standalone chapters (opening/closing) - not nested */
.toc-chapter-standalone {
    padding-left: var(--space-md);
    background-color: var(--color-accent-light);
    border-bottom: 1px solid var(--color-border);
}

.toc-chapter:hover {
    background-color: var(--color-accent-light);
}

.toc-chapter.active {
    background-color: var(--color-accent-light);
    border-left: 3px solid var(--color-accent);
}

.toc-chapter.completed {
    opacity: 0.6;
}

.toc-chapter-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.toc-read-time {
    display: none;
}

/* Chapter icon/indicator */
.chapter-indicator {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.chapter-indicator svg {
    width: 20px;
    height: 20px;
    color: var(--color-success);
}

.chapter-indicator.current {
    color: var(--color-accent);
    font-weight: bold;
}

/* Chapter info in TOC */
.toc-chapter-info {
    flex: 1;
    min-width: 0;
}

.toc-chapter-title {
    margin-bottom: var(--space-xs);
}

.toc-chapter-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.word-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* Loading state */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Error state */
.error {
    padding: var(--space-lg);
    background-color: #ffebee;
    border: 1px solid #ef5350;
    border-radius: 4px;
    color: #c62828;
    text-align: center;
}

/* Install prompt (PWA) */
.install-prompt {
    position: fixed;
    bottom: 80px;
    left: var(--padding-mobile);
    right: var(--padding-mobile);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    padding: var(--space-lg);
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    z-index: 80;
    opacity: 0;
    transform: translateY(20px);
    visibility: hidden;
    transition: all var(--transition-normal);
}

.install-prompt.show {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.install-prompt-text {
    flex: 1;
    font-size: var(--font-size-sm);
}

.install-btn {
    background-color: var(--color-accent);
    color: var(--color-background);
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--color-accent);
    font-weight: bold;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-tight);
    transition: all var(--transition-fast);
}

.install-btn:hover {
    background-color: var(--color-background);
    color: var(--color-accent);
}

.dismiss-install {
    color: var(--color-text-secondary);
    padding: var(--space-sm);
}

/* Touch feedback */
@media (hover: none) {
    .nav-btn:active,
    .toc-chapter:active,
    .install-btn:active {
        transform: scale(0.98);
    }
}

/* Accessibility: Focus styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

/* Hide scrollbar but keep functionality */
.toc-content::-webkit-scrollbar {
    width: 8px;
}

.toc-content::-webkit-scrollbar-track {
    background: transparent;
}

.toc-content::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.toc-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* Tappable Media Emojis */
.media-emoji {
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif !important;
    font-size: 1em;
    line-height: 1;
    letter-spacing: 0 !important;
    word-spacing: 0 !important;
    text-transform: none !important;
    font-variant: normal !important;
    font-style: normal !important;
    font-weight: normal !important;
    background: none !important;
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    cursor: pointer;
}

.media-emoji:hover {
    opacity: 0.7;
}

/* Media Modal Overlay */
.media-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--padding-mobile);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.media-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Media Modal */
.media-modal {
    background-color: var(--color-background);
    border: 2px solid var(--color-accent);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.media-modal-overlay.active .media-modal {
    transform: scale(1);
}

/* Modal Header */
.media-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 2px solid var(--color-border);
    background-color: var(--color-accent-light);
}

.media-modal-header-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
}

.media-modal-icon {
    font-size: var(--font-size-xl);
    line-height: 1;
}

.media-modal-label {
    display: none;
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    font-weight: bold;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
}

.media-modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.media-modal-close:hover {
    color: var(--color-accent);
}

/* Modal Body */
.media-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xl);
    min-height: 200px;
}

.media-modal-body img {
    width: 500px;
    max-width: 100%;
    max-height: 70vh;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

/* Modal Caption - hidden by default, shown when captions enabled */
.media-modal-caption {
    display: none;
    padding: var(--space-lg) var(--space-xl);
    border-top: 2px solid var(--color-border);
    background-color: var(--color-accent-light);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
    text-align: center;
}

body.show-captions .media-modal-caption {
    display: block;
}

/* Media Content Containers */
.media-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    min-height: 300px;
}

.media-placeholder-icon {
    font-size: 64px;
    margin-bottom: var(--space-lg);
    opacity: 0.3;
}

.media-placeholder-text {
    font-family: var(--font-mono);
    color: var(--color-text-tertiary);
}

.media-placeholder-text p {
    margin: var(--space-sm) 0;
}

.media-placeholder-text strong {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

/* Image Container */
.media-image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.media-image {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--color-border);
}

/* Video Container */
.media-video-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
}

.media-video {
    max-width: 100%;
    height: auto;
}

/* Slim Audio Player */
.slim-player {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #1a1a1a;
    border-radius: 20px;
    padding: 8px 16px;
    height: 40px;
    max-width: 360px;
    margin: 0 auto;
}

.slim-player-audio {
    display: none;
}

.slim-player-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
}

.slim-player-btn:hover {
    background: #e0e0e0;
}

.slim-player-icon {
    width: 14px;
    height: 14px;
    color: #1a1a1a;
}

.slim-player-icon.play {
    margin-left: 2px;
}

.slim-player-icon.pause {
    display: none;
}

.slim-player.playing .slim-player-icon.play {
    display: none;
}

.slim-player.playing .slim-player-icon.pause {
    display: block;
}

.slim-player-progress {
    flex: 1;
    padding: 8px 0;
    cursor: pointer;
}

.slim-player-bar {
    position: relative;
    height: 4px;
    background: #444;
    border-radius: 2px;
}

.slim-player-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: #fff;
    border-radius: 2px;
    width: 0;
}

.slim-player-handle {
    position: absolute;
    top: 50%;
    left: 0;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    opacity: 0;
    transition: opacity 0.15s;
}

.slim-player:hover .slim-player-handle,
.slim-player.playing .slim-player-handle {
    opacity: 1;
}

.slim-player-time {
    font-size: 12px;
    font-family: var(--font-mono);
    color: #999;
    min-width: 36px;
    text-align: right;
}

/* Compact modal for audio */
.media-modal.audio-modal {
    max-width: 450px;
}

.media-modal.audio-modal .media-modal-header {
    padding: var(--space-sm) var(--space-md);
}

.media-modal.audio-modal .media-modal-body {
    padding: var(--space-md);
    min-height: auto;
}

/* Text Container */
.media-text-container {
    font-family: var(--font-mono);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
}

.media-text-container p {
    margin: var(--space-md) 0;
}

/* Document Container */
.media-document-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-document-image {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--color-border);
}

/* Link Container */
.media-link-container {
    font-family: var(--font-mono);
    padding: var(--space-xl);
    text-align: center;
}

.media-link-container p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
}

.media-link {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: underline;
    word-break: break-all;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-accent-light);
    transition: all var(--transition-fast);
}

/* Tweet embed container */
.media-tweet-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    min-height: 200px;
}

.tweet-loading {
    font-family: var(--font-mono);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.tweet-error {
    font-family: var(--font-mono);
    text-align: center;
    color: var(--color-text-secondary);
}

.tweet-error p {
    margin-bottom: var(--space-md);
}

.media-link:hover {
    background-color: var(--color-accent);
    color: var(--color-background);
}

/* Photo Gallery */
.gallery-container {
    border-bottom: 1px solid var(--color-border);
}

.gallery-header {
    padding: var(--space-lg) var(--padding-mobile);
    border-bottom: 2px solid var(--color-border);
    background-color: var(--color-accent-light);
}

.gallery-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    font-weight: bold;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-sm) 0;
}

.gallery-description {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-sm) 0;
    font-style: italic;
}

.gallery-count {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
}

/* Gallery Section (Collapsible) */
.gallery-section {
    border-bottom: 1px solid var(--color-border);
}

.gallery-section-header {
    padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-lg);
    background-color: var(--color-accent-light);
    transition: background-color var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
}

.gallery-section-header:not(.disabled):hover {
    background-color: var(--color-border);
}

.gallery-section-header.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.gallery-section-header::after {
    content: '▼';
    display: inline-block;
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
}

.gallery-section-header.disabled::after {
    content: '';
}

.gallery-section-header.expanded::after {
    transform: translateY(-50%) rotate(180deg);
}

.gallery-section-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-primary);
    margin: 0;
    letter-spacing: var(--letter-spacing-tight);
}

.gallery-section-content {
    max-height: 5000px;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.gallery-section-content.collapsed {
    max-height: 0;
}

/* Photo Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
    padding: var(--space-lg) var(--padding-mobile);
}

.photo-card {
    aspect-ratio: 1;
    background-color: var(--color-border);
    background-size: cover;
    background-position: center;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.photo-card:hover {
    border-color: var(--color-accent);
    transform: scale(1.02);
}

.photo-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Photo Card Placeholder */
.photo-card-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-light);
    background-image: none;
}

.photo-card-icon {
    font-size: 32px;
    opacity: 0.3;
    margin-bottom: var(--space-sm);
}

.photo-card-filename {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: center;
    padding: 0 var(--space-sm);
    word-break: break-all;
}

/* Photo Modal Overlay */
.photo-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.photo-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Photo Modal */
.photo-modal {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Photo Modal Close Button */
.photo-modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid var(--color-accent-light);
    color: var(--color-background);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
}

.photo-modal-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* Photo Modal Navigation */
.photo-modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid var(--color-accent-light);
    color: var(--color-background);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
}

.photo-modal-nav:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.photo-modal-prev {
    left: var(--space-lg);
}

.photo-modal-next {
    right: var(--space-lg);
}

/* Photo Modal Container */
.photo-modal-container {
    max-width: 90vw;
    max-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Photo Modal Image */
.photo-modal-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border: 3px solid var(--color-accent);
}

/* Photo Placeholder in Modal */
.photo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-light);
    border: 3px solid var(--color-accent);
    padding: var(--space-3xl);
    min-width: 400px;
    min-height: 400px;
    text-align: center;
}

.photo-placeholder-icon {
    font-size: 96px;
    opacity: 0.3;
    margin-bottom: var(--space-lg);
}

.photo-placeholder-text {
    font-family: var(--font-mono);
    color: var(--color-text-secondary);
}

.photo-placeholder-text p {
    margin: var(--space-sm) 0;
}

.photo-placeholder-text strong {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    display: block;
    margin-bottom: var(--space-md);
}

/* Photo Modal Info */
.photo-modal-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.85);
    border-top: 2px solid var(--color-accent);
    padding: var(--space-lg) var(--padding-mobile);
    color: var(--color-background);
}

.photo-modal-caption {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-sm);
    color: var(--color-background);
}

.photo-modal-meta {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-accent-light);
}

.photo-modal-count {
    font-weight: bold;
}

/* Guestbook / Comments Section */
.guestbook-wrapper {
    padding: var(--space-lg) var(--padding-mobile);
}

/* Guestbook Intro */
.guestbook-intro {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

/* Social Share Section */
.guestbook-share {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.guestbook-share-heading {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    margin-bottom: var(--space-md);
}

.guestbook-share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.share-btn {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-tight);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-text-primary);
}

/* Guestbook Form */
.guestbook-form-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.guestbook-form-heading {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    margin-bottom: var(--space-md);
}

.guestbook-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-tight);
}

.form-input,
.form-textarea {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-tertiary);
    font-style: italic;
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.char-count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    text-align: right;
}

.guestbook-submit {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-background);
    background-color: var(--color-text-primary);
    border: 1px solid var(--color-text-primary);
    padding: var(--space-md) var(--space-lg);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--space-sm);
}

.guestbook-submit:hover {
    background-color: var(--color-background);
    color: var(--color-text-primary);
}

.guestbook-success {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-success);
    text-align: center;
    padding: var(--space-md);
    background-color: rgba(39, 174, 96, 0.1);
    border: 1px solid var(--color-success);
    margin-top: var(--space-md);
}

/* Recent Entries */
.guestbook-entries {
    margin-bottom: var(--space-lg);
}

.guestbook-entries-heading {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    margin-bottom: var(--space-md);
}

.guestbook-entries-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-height: 400px;
    overflow-y: auto;
}

.guestbook-entry {
    padding: var(--space-md);
    background-color: var(--color-accent-light);
    border-left: 2px solid var(--color-border);
}

.guestbook-entry-header {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-primary);
}

.guestbook-entry-comment {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
    line-height: var(--line-height-normal);
    margin-top: var(--space-xs);
}

.guestbook-empty {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-style: italic;
    text-align: center;
    padding: var(--space-xl);
}

/* Bookmark Button (Header) */
.bookmark-btn {
    width: var(--min-touch-target);
    height: var(--min-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.bookmark-btn:hover {
    opacity: 0.7;
}

.bookmark-btn.active svg {
    fill: var(--color-text-primary);
}

/* Bookmarks Section in Navigation */
.bookmarks-section {
    background-color: var(--color-accent-light);
}

.bookmarks-count {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-left: var(--space-sm);
}

/* Bookmarks List */
.bookmarks-list {
    display: flex;
    flex-direction: column;
}

.bookmarks-empty {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-style: italic;
    text-align: center;
    padding: var(--space-xl) var(--padding-mobile);
    line-height: var(--line-height-normal);
}

.bookmark-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--padding-mobile) var(--space-md) var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-background);
    transition: background-color var(--transition-fast);
}

.bookmark-item:hover {
    background-color: var(--color-accent-light);
}

.bookmark-item:last-child {
    border-bottom: none;
}

.bookmark-info {
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.bookmark-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: bold;
    margin-bottom: var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bookmark-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.bookmark-remove {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    flex-shrink: 0;
    margin-left: var(--space-md);
    transition: all var(--transition-fast);
}

.bookmark-remove:hover {
    background-color: var(--color-text-primary);
    border-color: var(--color-text-primary);
    color: var(--color-background);
}

/* Tablet and up */
@media (min-width: 640px) {
    .install-prompt {
        left: 50%;
        right: auto;
        transform: translateX(-50%) translateY(20px);
        max-width: var(--max-width-reader);
    }

    .install-prompt.show {
        transform: translateX(-50%) translateY(0);
    }

    .media-modal-overlay {
        padding: var(--padding-tablet);
    }
}

/* ============================================
   SIDEBAR SEARCH
   ============================================ */

.sidebar-search {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-accent-light);
}

.sidebar-search-bar {
    display: flex;
    align-items: center;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    padding: 0 var(--space-sm);
}

.sidebar-search-icon {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
}

.sidebar-search-input {
    flex: 1;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    padding: var(--space-sm);
    outline: none;
    min-width: 0;
}

.sidebar-search-input::placeholder {
    color: var(--color-text-tertiary);
}

.sidebar-search-results {
    max-height: 200px;
    overflow-y: auto;
    margin-top: var(--space-xs);
}

.sidebar-search-results:empty {
    display: none;
}

.sidebar-search-result {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    padding: var(--space-sm) var(--space-sm);
    cursor: pointer;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-search-result:hover {
    background-color: var(--color-border);
}

.sidebar-search-result:last-child {
    border-bottom: none;
}

.sidebar-search-empty {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    padding: var(--space-sm);
    text-align: center;
    background-color: var(--color-background);
}

/* ============================================
   SETTINGS PANEL (in sidebar)
   ============================================ */

.settings-wrapper {
    padding: var(--space-lg) var(--padding-mobile);
}

.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.settings-row:last-child {
    border-bottom: none;
}

.settings-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* Reading mode toggle in settings */
.settings-wrapper .reading-mode-toggle {
    display: flex;
    gap: 0;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    overflow: hidden;
}

.settings-wrapper .mode-btn {
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.settings-wrapper .mode-btn:hover {
    background: var(--color-accent-light);
    color: var(--color-text-primary);
}

.settings-wrapper .mode-btn.active {
    background: var(--color-text-primary);
    color: var(--color-background);
    font-weight: bold;
}

/* Font size toggle in settings */
.settings-wrapper .font-size-toggle {
    display: flex;
    gap: 0;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    overflow: hidden;
}

.settings-wrapper .font-btn {
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 32px;
}

.settings-wrapper .font-btn:hover {
    background: var(--color-accent-light);
    color: var(--color-text-primary);
}

.settings-wrapper .font-btn.active {
    background: var(--color-text-primary);
    color: var(--color-background);
    font-weight: bold;
}

/* ============================================
   BACK LINK (for standalone pages)
   ============================================ */

.back-link {
    width: var(--min-touch-target);
    height: var(--min-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    transition: opacity var(--transition-fast);
}

.back-link:hover {
    opacity: 0.7;
}

/* ============================================
   GUESTBOOK PAGE
   ============================================ */

.guestbook-page {
    padding-bottom: var(--space-3xl);
}

.guestbook-page .guestbook-wrapper {
    padding: 0;
}

.guestbook-page .guestbook-intro {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.guestbook-page .guestbook-share,
.guestbook-page .guestbook-form-section,
.guestbook-page .guestbook-entries {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}

.guestbook-page .guestbook-share-heading,
.guestbook-page .guestbook-form-heading,
.guestbook-page .guestbook-entries-heading {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    margin-bottom: var(--space-lg);
}

.guestbook-page .guestbook-share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.guestbook-page .share-btn {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-primary);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.guestbook-page .share-btn:hover {
    background: var(--color-text-primary);
    color: var(--color-background);
}

.guestbook-page .form-group {
    margin-bottom: var(--space-lg);
}

.guestbook-page .form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.guestbook-page .form-input,
.guestbook-page .form-textarea {
    width: 100%;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    transition: border-color var(--transition-fast);
}

.guestbook-page .form-input:focus,
.guestbook-page .form-textarea:focus {
    outline: none;
    border-color: var(--color-text-primary);
}

.guestbook-page .form-textarea {
    resize: vertical;
    min-height: 100px;
}

.guestbook-page .char-count {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: right;
    margin-top: var(--space-xs);
}

.guestbook-page .guestbook-submit {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-background);
    background: var(--color-text-primary);
    border: 2px solid var(--color-text-primary);
    padding: var(--space-sm) var(--space-xl);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.guestbook-page .guestbook-submit:hover {
    background: var(--color-background);
    color: var(--color-text-primary);
}

.guestbook-page .guestbook-success {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background: var(--color-accent-light);
    padding: var(--space-md);
    margin-top: var(--space-lg);
    text-align: center;
}

.guestbook-page .guestbook-entries-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.guestbook-page .guestbook-entry {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.guestbook-page .guestbook-entry:last-child {
    border-bottom: none;
}

.guestbook-page .guestbook-entry-header {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.guestbook-page .guestbook-entry-comment {
    font-family: var(--font-serif);
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-text-secondary);
}

.guestbook-page .guestbook-empty {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-style: italic;
}

/* ============================================
   PHOTOS PAGE
   ============================================ */

.photos-page {
    padding-bottom: var(--space-3xl);
}

.gallery-page-section {
    margin-bottom: var(--space-3xl);
}

.gallery-page-section:last-child {
    margin-bottom: 0;
}

.gallery-page-header {
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.gallery-page-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    font-weight: bold;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    margin: 0;
}

.gallery-coming-soon {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-style: italic;
    padding: var(--space-lg) 0;
}

/* Locked/Gated Content */
.locked-content {
    position: relative;
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    border-radius: 4px;
    overflow: hidden;
}

.locked-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom,
        rgba(128, 128, 128, 0.1) 0%,
        rgba(128, 128, 128, 0.3) 50%,
        rgba(128, 128, 128, 0.1) 100%);
    z-index: 1;
}

.locked-content p {
    color: var(--color-text-tertiary);
    filter: blur(3px);
    user-select: none;
}

.locked-content .lock-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.locked-content .lock-icon {
    font-size: 32px;
    opacity: 0.7;
}

.locked-content .lock-text {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-secondary);
}

/* Locked chapters in TOC */
.toc-chapter-locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.toc-chapter-locked:hover {
    background-color: transparent;
}

.toc-chapter-locked .toc-chapter-title {
    color: var(--color-text-tertiary);
}

.toc-lock-icon {
    margin-left: var(--space-sm);
    font-size: 12px;
}