:root {
    --color-white: #ffffff;
    --color-off-white: #fefefe;
    --color-light-gray: #fafafa;
    --color-gray: #f0f0f0;
    --color-medium-gray: #888888;
    --color-dark-gray: #666666;
    --color-black: #333333;
    --color-accent: #999999;
    --color-accent-light: #cccccc;
    --color-accent-dark: #666666;
    --color-accent-muted: #f8f8f8;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
    --font-family-heading: 'Playfair Display', 'Times New Roman', serif;
    --font-family-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    --font-family-serif: 'Tinos', 'Times New Roman', serif;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --container-max-width: 1200px;
    --content-max-width: 800px;
    --sidebar-width: 280px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.5;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'liga' 1, 'calt' 1;
    font-size: 1rem;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-black);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.75rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
}

h2 {
    font-size: 2.125rem;
    font-weight: 400;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

h4 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

p, li, .home-content, .home-content p, .qa-answer, .blog-post-excerpt, .photo-description, .book-modal__description {
    font-size: 1rem !important;
    line-height: 1.5 !important;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-bottom: 1px solid transparent;
    padding-bottom: 1px;
}

a:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent);
}

ul, ol {
    margin-bottom: var(--space-xl);
    padding-left: var(--space-xl);
}

li {
    margin-bottom: var(--space-md);
    line-height: 1.7;
    color: var(--color-dark-gray);
}

code {
    background: var(--color-accent-muted);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-family-mono);
    font-size: 0.875em;
    color: var(--color-accent-dark);
    border: 1px solid var(--color-gray);
}

blockquote {
    margin: var(--space-xl) 0;
    padding: var(--space-lg) var(--space-xl);
    border-left: 3px solid var(--color-accent);
    background: var(--color-light-gray);
    font-style: italic;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

blockquote p {
    margin-bottom: 0;
    color: var(--color-dark-gray);
}

.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-2xl);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.site-title-link {
    font-family: var(--font-family-mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-dark-gray);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none !important;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
}

.site-title-link:hover {
    color: var(--color-black);
    text-decoration: none;
    border: none !important;
    background: transparent;
}

.home-lang-switcher {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.home-lang-switcher:hover {
    opacity: 1;
}

.home-lang-link {
    font-size: 1.25rem;
    text-decoration: none;
    opacity: 0.6;
    transition: all 0.2s ease;
    filter: grayscale(0.3);
    border: none !important;
}

.home-lang-link:hover {
    opacity: 1;
    transform: scale(1.1);
    filter: grayscale(0);
    text-decoration: none;
    border: none !important;
}

.home-lang-current {
    font-size: 1.25rem;
    opacity: 1;
    position: relative;
}

.home-lang-current::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
}

.top-header .home-lang-switcher {
    position: relative;
    top: auto;
    right: auto;
    z-index: auto;
}

.main-content {
    max-width: var(--content-max-width);
    margin: 0;
    padding: 4rem var(--space-2xl) var(--space-xl);
    min-height: 100vh;
}

.home-layout {
    max-width: var(--content-max-width);
    margin: 0;
    padding: 4rem var(--space-2xl) var(--space-xl);
}

.home-header {
    text-align: left;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: none;
}

.home-header .logo {
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.home-header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: var(--space-md);
    color: var(--color-black);
}

.home-content {
    line-height: 1.75;
    color: var(--color-dark-gray);
    font-size: 1.0625rem;
}

.home-content p {
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

.home-content h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-black);
}

.home-content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-black);
}

.home-content strong {
    font-weight: 500;
    color: var(--color-black);
    font-size: inherit;
}

.qa-item {
    margin-bottom: var(--space-md);
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    transition: none;
    position: relative;
    overflow: visible;
}

.qa-item::before {
    display: none;
}

.qa-item:hover {
    box-shadow: none;
    transform: none;
}

.qa-item:hover::before {
    display: none;
}

.qa-question {
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
    display: block;
    font-size: 1rem;
    line-height: 1.5;
}

.qa-answer {
    margin-top: 0;
    margin-bottom: var(--space-md);
    line-height: 1.7;
    font-size: 1rem;
    color: var(--color-dark-gray);
    padding-left: var(--space-sm);
    border-left: none;
}

.pronunciation-section {
    margin: var(--space-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.phonetic-transcription {
    font-family: 'Times New Roman', 'Liberation Serif', 'DejaVu Serif', serif;
    font-style: italic;
    font-size: 1.125rem;
    color: var(--color-accent-dark);
    letter-spacing: 0.05em;
    margin: var(--space-sm) 0;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-accent-muted);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
    display: inline-block;
    font-variant: small-caps;
    backdrop-filter: blur(10px);
}

.pronunciation-player {
    margin: var(--space-md) 0;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.pronunciation-audio {
    border-radius: var(--radius-sm);
}

.audio-label {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
    font-style: italic;
}

.vancouver-clock {
    font-family: inherit;
    color: inherit;
    display: inline-block;
}

.clock-colon {
    animation: blink 1800ms infinite;
    animation-timing-function: ease-in-out;
}

@keyframes blink {
    0% { opacity: 0; }
    40% { opacity: 1; }
    100% { opacity: 0; }
}

.city-flag {
    position: relative;
    display: inline;
    cursor: text;
    color: inherit;
    text-decoration: none;
    border: none;
}

.city-flag:hover {
    color: inherit;
}

.flag-tooltip {
    position: fixed;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast);
    pointer-events: none;
    z-index: 1000;
    transform: translate(-50%, 20%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray);
}

.stat-number {
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-accent);
    display: block;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-medium-gray);
    font-weight: 500;
}

@media (prefers-reduced-motion: reduce) {
    .clock-colon {
        animation: none;
    }

    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 768px) {
    .home-layout {
        padding: 5rem var(--space-lg) var(--space-xl);
    }

    .home-header h1 {
        font-size: 2.25rem;
    }

    .home-content h2 {
        font-size: 1.5rem;
        margin-top: var(--space-3xl);
    }

    .home-content h3 {
        font-size: 1.25rem;
        margin-top: var(--space-2xl);
    }

    .top-header {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.8rem;
    }

    .site-title-link {
        font-size: 0.65rem;
        padding: var(--space-xs);
    }

    .top-header .home-lang-link,
    .top-header .home-lang-current {
        font-size: 1rem;
    }

    .phonetic-transcription {
        font-size: 1rem;
        padding: var(--space-sm) var(--space-md);
    }

    .pronunciation-audio {
        max-width: 200px;
    }

    .audio-label {
        font-size: 0.75rem;
    }

    .blog-intro {
        margin-bottom: var(--space-xl);
    }

    .blog-post-item {
        margin-bottom: var(--space-xl);
    }

    .photo-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .library-container {
        padding: 5rem var(--space-lg) var(--space-xl);
    }

    .library-header h1 {
        font-size: 2.25rem;
    }

    .library-filters {
        gap: var(--space-xs);
    }

    .filter-pill {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.7rem;
        border-width: 1px;
    }

    .book-item,
    .book-item--visible {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-md);
    }

    .book-meta {
        align-items: flex-start;
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }

    .book-title {
        font-size: 0.9rem;
        white-space: normal;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        line-height: 1.3;
    }

    .book-author {
        font-size: 0.75rem;
    }

    .year-header {
        font-size: 1.5rem;
        margin-bottom: var(--space-lg);
    }

    .year-count-pill {
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-sm);
    }
}

@media (max-width: 480px) {
    .home-layout {
        padding: 4rem var(--space-md) var(--space-lg);
    }

    .home-header h1 {
        font-size: 2rem;
    }

    .home-content h2 {
        font-size: 1.25rem;
        margin-top: var(--space-2xl);
    }

    .home-content h3 {
        font-size: 1rem;
        margin-top: var(--space-xl);
    }

    .top-header {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-sm);
        text-align: center;
    }

    .site-title-link {
        font-size: 0.6rem;
        padding: var(--space-xs);
    }

    .main-content {
        padding: 4rem var(--space-sm) var(--space-lg);
    }

    .phonetic-transcription {
        font-size: 0.875rem;
        padding: var(--space-sm);
    }

    .pronunciation-audio {
        max-width: 180px;
    }

    .audio-label {
        font-size: 0.7rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .banner-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: var(--space-md);
    }

    .photo-grid {
        gap: var(--space-md);
    }

    .photo-info {
        padding: var(--space-lg);
    }

    .blog-intro {
        padding: var(--space-md);
    }

    .blog-post-item {
        padding: var(--space-md);
    }

    .blog-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .filter-pill {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.75rem;
    }

    .library-container {
        padding: 4rem var(--space-md) var(--space-lg);
    }

    .library-header h1 {
        font-size: 2rem;
    }

    .year-header {
        font-size: 1.25rem;
        margin-bottom: var(--space-md);
    }

    .year-count-pill {
        font-size: 0.7rem;
        padding: var(--space-xs) var(--space-sm);
    }

    .book-item,
    .book-item--visible {
        padding: var(--space-sm);
    }

    .book-meta {
        gap: var(--space-xs);
    }

    .filter-pill {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.65rem;
    }

    .star {
        font-size: 0.7rem;
    }

    .book-category {
        font-size: 0.65rem;
        padding: var(--space-xs) var(--space-sm);
    }
}

@media (min-width: 1200px) {
    .home-layout {
        max-width: var(--content-max-width);
    }

    .library-container {
        max-width: var(--content-max-width);
    }

    .photo-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

.library-container {
    max-width: var(--content-max-width);
    margin: 0;
    padding: 4rem var(--space-2xl) var(--space-xl);
    font-size: 1rem;
    line-height: 1.75;
}

.library-header {
    text-align: left;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: none;
}

.library-header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-black);
    margin: 0;
    letter-spacing: -0.02em;
}

.library-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.filter-pill {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-dark-gray);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: inherit;
    white-space: nowrap;
    box-shadow: none;
    backdrop-filter: none;
    opacity: 0.8;
}

.filter-pill::before {
    display: none;
}

.filter-pill:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
    opacity: 1;
}

.filter-pill:hover::before {
    display: none;
}

.filter-pill--active {
    background: transparent;
    color: var(--color-black);
    border-color: transparent;
    box-shadow: none;
    opacity: 1;
    font-weight: 500;
}

.filter-pill--active:hover {
    background: transparent;
    border-color: transparent;
    transform: none;
}

.filter-pill,
.filter-pill--top,
.filter-pill--active,
.filter-pill--top.filter-pill--active,
.filter-pill--top:nth-child(2),
.filter-pill--top:nth-child(3),
.filter-pill--top:nth-child(4),
.filter-pill--top:nth-child(5),
.filter-pill--top:nth-child(6),
.filter-pill--top.filter-pill--active:nth-child(2),
.filter-pill--top.filter-pill--active:nth-child(3),
.filter-pill--top.filter-pill--active:nth-child(4),
.filter-pill--top.filter-pill--active:nth-child(5),
.filter-pill--top.filter-pill--active:nth-child(6),
.year-count-pill,
.book-category,
.book-modal__category {
  background: var(--color-light-gray) !important;
  color: var(--color-dark-gray) !important;
  border: 1.5px solid var(--color-gray) !important;
  border-radius: 20px !important;
  padding: var(--space-sm) var(--space-md) !important;
  font-size: 0.75rem !important;
  font-weight: 500 !important;
  font-family: inherit !important;
  white-space: nowrap !important;
  box-shadow: none !important;
  opacity: 0.7 !important;
  transition: all var(--transition-fast) !important;
}

.top-category-1,
.filter-pill--top[data-top-index="1"] {
  background: linear-gradient(135deg, #dbeafe 0%, #e0f2fe 100%) !important;
  color: #1e40af !important;
  border: 1.5px solid #bfdbfe !important;
  box-shadow: 0 2px 8px rgba(219, 234, 254, 0.3) !important;
  opacity: 1 !important;
}

.top-category-2,
.filter-pill--top[data-top-index="2"] {
  background: linear-gradient(135deg, #dcfce7 0%, #d1fae5 100%) !important;
  color: #15803d !important;
  border: 1.5px solid #bbf7d0 !important;
  box-shadow: 0 2px 8px rgba(220, 252, 231, 0.3) !important;
  opacity: 1 !important;
}

.top-category-3,
.filter-pill--top[data-top-index="3"] {
  background: linear-gradient(135deg, #fce7f3 0%, #fdf2f8 100%) !important;
  color: #be185d !important;
  border: 1.5px solid #fbcfe8 !important;
  box-shadow: 0 2px 8px rgba(252, 231, 243, 0.3) !important;
  opacity: 1 !important;
}

.filter-pill--active,
.filter-pill--top.filter-pill--active:nth-child(4),
.filter-pill--top.filter-pill--active:nth-child(5),
.filter-pill--top.filter-pill--active:nth-child(6) {
  background: var(--color-dark-gray) !important;
  color: var(--color-white) !important;
  border-color: var(--color-dark-gray) !important;
  box-shadow: 0 2px 6px rgba(66, 66, 66, 0.3) !important;
  opacity: 1 !important;
}

.filter-pill--top.filter-pill--active[data-top-index="1"] {
  background: linear-gradient(135deg, #93c5fd 0%, #7dd3fc 100%) !important;
  color: white !important;
  border-color: #60a5fa !important;
  box-shadow: 0 2px 8px rgba(147, 197, 253, 0.4) !important;
  opacity: 1 !important;
}

.filter-pill--top.filter-pill--active[data-top-index="2"] {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%) !important;
  color: white !important;
  border-color: #15803d !important;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4) !important;
  opacity: 1 !important;
}

.filter-pill--top.filter-pill--active[data-top-index="3"] {
  background: linear-gradient(135deg, #f9a8d4 0%, #f472b6 100%) !important;
  color: white !important;
  border-color: #ec4899 !important;
  box-shadow: 0 2px 8px rgba(249, 168, 212, 0.4) !important;
  opacity: 1 !important;
}

.filter-pill:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1) !important;
  border-color: var(--color-medium-gray) !important;
  opacity: 0.9 !important;
}

.filter-pill--top[data-top-index="1"]:hover,
.filter-pill--top[data-top-index="2"]:hover,
.filter-pill--top[data-top-index="3"]:hover {
  transform: none !important;
  box-shadow: 0 2px 8px rgba(219, 234, 254, 0.3) !important;
  border-color: #bfdbfe !important;
  opacity: 1 !important;
}

.filter-pill--active:hover {
  background: var(--color-black) !important;
  border-color: var(--color-black) !important;
  transform: translateY(-1px) !important;
}

.filter-pill--top.filter-pill--active[data-top-index="1"]:hover,
.filter-pill--top.filter-pill--active[data-top-index="2"]:hover,
.filter-pill--top.filter-pill--active[data-top-index="3"]:hover {
  background: linear-gradient(135deg, #93c5fd 0%, #7dd3fc 100%) !important;
  border-color: #60a5fa !important;
  transform: none !important;
}

.filter-pill--top.filter-pill--active[data-top-index="2"]:hover {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%) !important;
  border-color: #15803d !important;
}

.filter-pill--top.filter-pill--active[data-top-index="3"]:hover {
  background: linear-gradient(135deg, #f9a8d4 0%, #f472b6 100%) !important;
  border-color: #ec4899 !important;
}

.library-year {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
}

.library-year h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-black);
    margin: 0;
}

.book-count {
    font-size: 0.8rem;
    color: var(--color-medium-gray);
    font-weight: 500;
    background: var(--color-light-gray);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 12px;
    border: 1px solid var(--color-gray);
}

.library-books {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.year-section {
    margin-bottom: var(--space-xl);
}

.year-header {
    background: none;
    border: none;
    margin: 0 0 var(--space-md) 0;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-black);
    border-radius: 0;
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    font-family: var(--font-family-serif);
    letter-spacing: -0.02em;
    padding-bottom: var(--space-xs);
    position: relative;
}

.year-header::after {
    display: none;
}

.year-count-pill {
    font-size: 0.75rem;
    color: var(--color-medium-gray);
    font-weight: 400;
    background: transparent;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 0;
    border: none;
    font-family: inherit;
    white-space: nowrap;
    opacity: 0.8;
    box-shadow: none;
    transition: all var(--transition-normal);
    backdrop-filter: none;
}

.year-count-pill:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
}

.year-books-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.book-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    transition: all var(--transition-normal);
    position: relative;
    min-height: auto;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(10px);
    cursor: pointer;
    opacity: 1;
    transform: translateY(0);
}

.book-item::before {
    display: none;
}

.book-item:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.book-item:hover::before {
    display: none;
}

.book-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.book-meta {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-xs);
    min-width: fit-content;
}

.book-title {
    font-family: var(--font-family-heading);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-black);
    margin: 0;
    line-height: 1.3;
    white-space: normal;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    word-break: break-word;
    hyphens: auto;
}

.book-author {
    font-size: 0.8rem;
    color: var(--color-medium-gray);
    margin: 0;
    font-weight: 400;
    font-style: italic;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.book-description {
    display: none;
}

.book-category {
    background: rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    text-transform: none;
    letter-spacing: normal;
    white-space: nowrap;
    line-height: 1;
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.book-category:hover {
    background: rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.15);
}

.book-rating {
    display: flex;
    gap: 1px;
    align-items: center;
    margin: 0;
}

.star {
    font-size: 0.8rem;
    color: var(--color-gray);
    transition: color var(--transition-fast);
    line-height: 1;
}

.star--filled {
    color: var(--color-dark-gray);
}

.book-item[data-rating="5"] .star--filled {
    color: #ffd700;
    text-shadow: 0 0 3px rgba(255, 215, 0, 0.4);
}

.book-item--hidden {
    display: none;
}

.book-item--visible {
    display: flex;
}

.book-item:not(.book-item--hidden):not(.book-item--visible) {
    display: flex;
}

@media (max-width: 768px) {
    .library-container {
        padding: var(--space-lg) var(--space-md);
        font-size: 0.8rem;
    }

    .library-header h1 {
        font-size: 1.5rem;
    }

    .library-filters {
        gap: var(--space-xs);
    }

    .filter-pill {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.7rem;
        border-width: 1px;
    }

    .book-item,
    .book-item--visible {
        flex-direction: column;
        gap: var(--space-sm);
        padding: var(--space-md);
    }

    .book-meta {
        align-items: flex-start;
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }

    .year-books-grid {
        gap: var(--space-sm);
    }

    .book-title {
        font-size: 0.9rem;
        white-space: normal;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        line-height: 1.3;
    }

    .book-author {
        font-size: 0.75rem;
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
    }

    .library-year h2 {
        font-size: 1.25rem;
    }

    .year-header {
        font-size: 2rem;
        padding: var(--space-md) 0 var(--space-sm) 0;
        gap: var(--space-sm);
        font-family: 'Tinos', 'Times New Roman', serif;
    }

    .year-count-pill {
        font-size: 0.7rem;
        padding: var(--space-xs) var(--space-sm);
    }
}

@media (max-width: 480px) {
    .library-container {
        padding: var(--space-md) var(--space-sm);
        font-size: 0.75rem;
    }

    .library-header h1 {
        font-size: 1.25rem;
    }

    .year-header {
        font-size: 1.75rem;
        padding: var(--space-sm) 0;
        gap: var(--space-xs);
        flex-direction: column;
        align-items: flex-start;
        font-family: 'Tinos', 'Times New Roman', serif;
    }

    .year-count-pill {
        font-size: 0.65rem;
        padding: var(--space-xs);
    }

    .book-item,
    .book-item--visible {
        padding: var(--space-sm);
    }

    .book-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .year-books-grid {
        gap: var(--space-sm);
    }

    .filter-pill {
        padding: var(--space-xs);
        font-size: 0.65rem;
        border-width: 1px;
    }

    .star {
        font-size: 0.7rem;
    }

    .book-category {
        font-size: 0.6rem;
    }
}

.home-content ul {
    list-style: none;
    padding: 0;
    margin: var(--space-lg) 0;
    border-radius: var(--radius-md);
    background: var(--color-off-white);
    border: 1px solid var(--color-gray);
    overflow: hidden;
}

.home-content li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    margin: 0;
    border-bottom: 1px solid var(--color-gray);
    transition: background-color var(--transition-fast);
    font-size: inherit;
    line-height: 1.5;
    min-height: 48px;
}

.home-content li:last-child {
    border-bottom: none;
}

.home-content li:hover {
    background: var(--color-light-gray);
}

.home-content li strong {
    font-weight: 500;
    color: var(--color-black);
    font-size: inherit;
    min-width: 140px;
    flex-shrink: 0;
    margin-right: var(--space-lg);
    position: relative;
}

.home-content li strong::after {
    content: '—';
    position: absolute;
    right: -12px;
    color: var(--color-medium-gray);
    font-weight: 300;
}

.home-content li a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    font-weight: 400;
    transition: all var(--transition-fast);
    flex: 1;
    text-align: left;
}

.home-content li a:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent);
}

.colophon-minimal-list {
    list-style: none;
    padding: 0;
    margin: var(--space-lg) 0;
}

.colophon-minimal-list li {
    display: flex;
    align-items: baseline;
    padding: var(--space-xs) 0;
    margin: 0;
    border: none;
    background: none;
    font-size: inherit;
    line-height: 1.6;
    min-height: auto;
}

.colophon-minimal-list li:hover {
    background: none;
}

.colophon-minimal-list li::before {
    content: '•';
    color: var(--color-medium-gray);
    font-weight: bold;
    margin-right: var(--space-sm);
    flex-shrink: 0;
}

.colophon-minimal-list li strong {
    margin-right: var(--space-sm);
    min-width: auto;
}

.colophon-minimal-list li strong::after {
    display: none;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.tech-category {
    background: var(--color-off-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.tech-category:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.tech-category h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-black);
    margin: 0 0 var(--space-md) 0;
    border-bottom: 1px solid var(--color-gray);
    padding-bottom: var(--space-sm);
}

.tech-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
    background: none;
    border: none;
}

.tech-category li {
    padding: var(--space-xs) 0;
    border: none;
    background: none;
    display: block;
    min-height: auto;
    font-size: 0.9em;
    line-height: 1.5;
}

.tech-category li:hover {
    background: none;
}

.tech-category li::before {
    content: '→';
    color: var(--color-medium-gray);
    margin-right: var(--space-sm);
    font-size: 0.8em;
    opacity: 0.6;
}

.tech-category a {
    color: var(--color-dark-gray);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.tech-category a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.colophon-details {
    background: var(--color-light-gray);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    font-size: 0.85rem;
}

.colophon-details dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-sm) var(--space-lg);
    margin: 0;
    align-items: baseline;
}

.colophon-details dt {
    font-weight: 500;
    color: var(--color-dark-gray);
    font-size: 0.9em;
    text-align: right;
    padding: var(--space-xs) 0;
}

.colophon-details dd {
    margin: 0;
    color: var(--color-black);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-gray);
}

.colophon-details dd:last-child {
    border-bottom: none;
}

.colophon-details a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.colophon-details a:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent);
}

@media (max-width: 768px) {
    .home-content li {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
        padding: var(--space-md);
        min-height: auto;
    }

    .home-content li strong {
        min-width: auto;
        margin-right: 0;
    }

    .home-content li strong::after {
        display: none;
    }

    .tech-stack {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .colophon-details dl {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }

    .colophon-details dt {
        text-align: left;
        font-weight: 600;
        border-bottom: 1px solid var(--color-gray);
        padding-bottom: var(--space-xs);
        margin-bottom: var(--space-xs);
    }

    .colophon-details dd {
        border-bottom: none;
        margin-bottom: var(--space-md);
        padding-left: var(--space-sm);
    }
}

.use-page {
    margin: var(--space-xl) 0;
  }
  
  .use-intro {
    font-size: 0.95rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
    max-width: 600px;
  }
  
  .use-grid {
    column-count: 2;
    column-gap: var(--space-md);
    margin-top: var(--space-lg);
  }
  
  .use-category {
    display: inline-block;
    width: 100%;
    break-inside: avoid;
    margin-bottom: var(--space-md);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    padding: var(--space-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    height: auto;
  }
  
  .use-category-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  }
  
  .use-category-header h4 {
    margin: 0;
    font-family: var(--font-family-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-black);
  }
  
  .use-items {
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  
  .use-item {
    display: flex;
    align-items: center;
    border-radius: 8px;
    background: transparent;
    transition: all var(--transition-fast);
    text-decoration: none;
    color: inherit;
    border: 1px solid transparent;
    cursor: default;
    font-size: 1rem;
    line-height: 1.5;
  }
  
  .use-item:not([href]) {
    cursor: default;
  }
  
  @media (max-width: 768px) {
    .use-grid {
      column-count: 1;
    }
  }

.fun-page h4 {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.fun-page .home-content ul,
.fun-page ul {
    list-style: none;
    padding: 0;
    margin: 0;
    background: none;
    border: none;
    border-radius: 0;
    overflow: visible;
}

.fun-page .home-content li,
.fun-page li {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    padding: var(--space-xs) 0;
    margin: 0;
    border: none;
    background: none;
    transition: none;
    font-size: inherit;
    line-height: 1.6;
    min-height: auto;
    gap: var(--space-sm);
}

.fun-page .home-content li:hover,
.fun-page li:hover {
    background: none;
}

.fun-page .home-content li::before,
.fun-page li::before {
    content: '•';
    color: var(--color-medium-gray);
    font-weight: normal;
    flex-shrink: 0;
    font-size: 0.9em;
    margin-right: 5px;
}

.fun-page .home-content li strong,
.fun-page li strong {
    font-weight: 500;
    color: var(--color-black);
    font-size: inherit;
    min-width: auto;
    flex-shrink: 0;
    margin-right: 0;
    position: static;
}

.fun-page .home-content li strong::after,
.fun-page li strong::after {
    display: none;
}

.fun-page .home-content li a,
.fun-page li a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    font-weight: 400;
    transition: all var(--transition-fast);
    flex: none;
    text-align: left;
}

.fun-page .home-content li a:hover,
.fun-page li a:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent);
}

.minimal-list {
    list-style: none;
    padding: 0;
    background: none;
    border: none;
}

.minimal-list li {
    display: block;
    padding: var(--space-xs) 0;
    margin: 0;
    border: none;
    background: none;
    font-size: inherit;
    line-height: 1.6;
    color: var(--color-dark-gray);
}

.minimal-list li a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.minimal-list li a:hover {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent);
}

@media (max-width: 768px) {
    .use-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .use-category--large {
        grid-column: span 1;
    }

    .use-category {
        padding: var(--space-md);
        min-height: auto;
    }

    .use-category-header h4 {
        font-size: 1rem;
    }

    .use-item {
        padding: var(--space-xs);
    }

    .use-item-text {
        font-size: 0.85rem;
    }

    .use-intro {
        font-size: 0.9rem;
        margin-bottom: var(--space-lg);
    }

    .fun-page .home-content li,
    .fun-page li {
        flex-direction: row;
        align-items: baseline;
        gap: var(--space-sm);
        padding: var(--space-xs) 0;
    }
}

.book-modal {
  position: fixed;
  z-index: 2000;
  top: 0; left: 0; right: 0; bottom: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  transition: opacity 0.2s;
  padding: 20px;
}
.book-modal.open {
  display: flex;
  opacity: 1;
}
.book-modal__overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(245,245,245,0.85);
  backdrop-filter: blur(2px);
  z-index: 0;
}
.book-modal__content {
  position: relative;
  z-index: 1;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 400px;
  width: 90vw;
  max-height: 80vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.2s;
  padding-bottom: 0;
  overflow: hidden;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.book-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: var(--space-lg);
  padding-right: var(--space-xs);
  margin-bottom: 0;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 40px;
  box-shadow: 0px 5px 12px 0px rgba(0,0,0,0.05);
  -webkit-box-shadow: 0px 5px 12px 0px rgba(0,0,0,0.05);
  -moz-box-shadow: 0px 5px 12px 0px rgba(0,0,0,0.05);
}

.book-modal__header-title {
  font-family: 'Tinos', serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-black);
  margin: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  height: 40px;
}

.book-modal__header-title.visible {
  opacity: 1;
}

.book-modal__close {
  background: none;
  border: none;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-medium-gray);
  cursor: pointer;
  z-index: 2;
  transition: color 0.2s;
  padding: 0;
  margin: 0;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  width: 40px;
}
.book-modal__close:hover {
  color: var(--color-accent-dark);
}
.book-modal__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--space-lg);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-bottom: 0;
}

.book-modal__footer {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 0 var(--space-md);
  margin-top: 0;
  background: transparent;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  min-height: 40px;
  pointer-events: none;
}

.book-modal__footer-image {
  height: 40px;
  width: 100%;
}

.book-modal__cover {
  width: 140px;
  height: auto;
  border-radius: 4px;
  margin-top: 25px;
  margin-bottom: var(--space-lg);
  box-shadow: 
    0 4px 8px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.08),
    0 16px 32px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  border-left: 2px solid rgba(0, 0, 0, 0.1);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  display: block;
  margin-left: auto;
  margin-right: auto;
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform 0.3s ease;
}

.book-modal__cover:hover {
  transform: perspective(1000px) rotateY(0deg);
}
.book-modal__title {
  font-family: 'Tinos', serif;
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0 0 var(--space-xs) 0;
  text-align: center;
  color: var(--color-black);
}
.book-modal__author {
  font-size: 1rem;
  color: var(--color-medium-gray);
  margin-bottom: var(--space-md);
  text-align: center;
}
.book-modal__meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}
.book-modal__category {
  background: var(--color-light-gray);
  border: 1.5px solid var(--color-gray);
  border-radius: 20px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-dark-gray);
  opacity: 0.7;
}
.book-modal__rating .star {
  font-size: 1.1rem;
  color: var(--color-accent-light);
}
.book-modal__rating .star--filled {
  color: var(--color-accent-dark);
}
.book-modal__year {
  font-size: 0.9rem;
  color: var(--color-medium-gray);
}
.book-modal__description {
  font-size: 1rem;
  color: var(--color-dark-gray);
  margin-top: var(--space-md);
  text-align: left;
  line-height: 1.7;
  padding-bottom: 20px;
}

.book-modal__description p {
  padding-bottom: 10px;
}
@media (max-width: 600px) {
  .book-modal {
    padding: 10px;
  }
  .book-modal__content {
    max-width: 98vw;
    max-height: 85vh;
  }
  .book-modal__cover {
    width: 100px;
    transform: perspective(800px) rotateY(-3deg);
  }
  .book-modal__cover:hover {
    transform: perspective(800px) rotateY(0deg);
  }
  .book-modal__title {
    font-size: 1.1rem;
  }
}
.book-modal__rating .star--gold {
  background: linear-gradient(45deg, #ffd700 0%, #ffb300 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  filter: drop-shadow(0 1px 2px #ffe06688);
}