/* ============================================
   ADA LOVELACE - Poetical Science
   The Enchantress of Number
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@300;400&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

/* === Ada-specific palette === */
:root {
    --ada-ink: #1a1520;
    --ada-parchment: #faf5ee;
    --ada-lavender: #8b6cc1;
    --ada-mauve: #b09cd4;
    --ada-gold: #c9a040;
    --ada-rose: #c97b7b;
    --ada-teal: #5a9e9e;
    --ada-cream: #f5efe4;
    --ada-sepia: #8b7355;
}

[data-theme="light"] {
    --ada-ink: #2d2035;
    --ada-parchment: #fdf9f3;
}

/* === Main Container === */
.ada-page {
    padding-top: 80px;
    min-height: 100vh;
}

.ada-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* === Hero Section === */
.ada-hero {
    text-align: center;
    padding: var(--space-xl) 0;
    position: relative;
}

.ada-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ada-lavender), transparent);
}

.ada-pretitle {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ada-lavender);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: var(--space-sm);
}

.ada-name {
    font-family: 'Playfair Display', var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.ada-subtitle {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--ada-lavender);
    margin-bottom: var(--space-md);
}

.ada-years {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
}

.ada-hero-portrait {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin: var(--space-lg) auto var(--space-md);
    display: block;
    border: 3px solid var(--ada-lavender);
    box-shadow: 0 0 30px rgba(139, 108, 193, 0.2);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.ada-hero-portrait:hover {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 0 50px rgba(139, 108, 193, 0.35);
}

.ada-epigraph {
    max-width: 650px;
    margin: var(--space-lg) auto 0;
    padding: var(--space-lg);
    border-left: 3px solid var(--ada-lavender);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: left;
}

/* === Section Styles === */
.ada-section {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-secondary);
}

.ada-section-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--ada-lavender);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: var(--space-xs);
}

.ada-section-title {
    font-family: 'Playfair Display', var(--font-serif);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.ada-section-lead {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

/* === Timeline === */
.ada-timeline {
    position: relative;
    padding-left: 30px;
}

.ada-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--ada-lavender), var(--ada-rose), transparent);
}

.ada-timeline-item {
    position: relative;
    padding-bottom: var(--space-md);
    padding-left: var(--space-md);
    line-height: 1.6;
}

.ada-timeline-item::before {
    content: '';
    position: absolute;
    left: -27px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ada-lavender);
    box-shadow: 0 0 8px rgba(139, 108, 193, 0.3);
    transition: transform 0.3s ease;
}

.ada-timeline-item:hover::before {
    transform: scale(1.6);
    box-shadow: 0 0 15px rgba(139, 108, 193, 0.5);
}

.ada-timeline-year {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ada-gold);
    font-weight: 600;
    margin-right: 0.5em;
}

.ada-timeline-age {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-right: 0.5em;
}

.ada-timeline-text {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.ada-timeline-item.highlight {
    background: var(--accent-soft);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-left: -10px;
    padding-left: calc(var(--space-md) + 10px);
}

.ada-timeline-item.highlight .ada-timeline-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* === Biography Section === */
.ada-bio {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.ada-bio p {
    margin-bottom: var(--space-lg);
}

.ada-bio strong {
    color: var(--text-primary);
    font-weight: 600;
}

.ada-bio a {
    color: var(--ada-lavender);
    text-decoration: none;
    border-bottom: 1px dotted var(--ada-lavender);
    transition: all 0.2s ease;
}

.ada-bio a:hover {
    color: var(--ada-gold);
    border-bottom-color: var(--ada-gold);
}

/* === Portrait Gallery === */
.ada-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.ada-gallery-item {
    text-align: center;
}

.ada-gallery-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    filter: sepia(0.15) contrast(1.05);
}

.ada-gallery-img:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.ada-gallery-caption {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* === Parents Portraits === */
.ada-parents {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.ada-parent-card {
    text-align: center;
}

.ada-parent-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-primary);
    margin-bottom: var(--space-sm);
    transition: transform 0.3s ease;
}

.ada-parent-img:hover {
    transform: rotate(-3deg) scale(1.05);
}

.ada-parent-name {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--text-primary);
    font-style: italic;
}

.ada-parent-role {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* === Philosophy Cards === */
.ada-philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.ada-philosophy-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-slow);
}

.ada-philosophy-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--ada-lavender);
}

.ada-philosophy-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.ada-philosophy-title {
    font-family: 'Playfair Display', var(--font-serif);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.ada-philosophy-desc {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === Insight Cards === */
.ada-insights {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.ada-insight {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border-left: 3px solid var(--ada-lavender);
    transition: all 0.3s ease;
}

.ada-insight:hover {
    transform: translateX(4px);
    border-left-color: var(--ada-gold);
}

.ada-insight-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ada-lavender);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.ada-insight-text {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === Code Display === */
.ada-code-block {
    background: #1e1e2e;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    overflow-x: auto;
    border: 1px solid rgba(139, 108, 193, 0.2);
}

.ada-code-block pre {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    color: #cdd6f4;
    white-space: pre;
    margin: 0;
}

.ada-code-block .comment {
    color: #6c7086;
}

.ada-code-block .keyword {
    color: #cba6f7;
}

.ada-code-block .string {
    color: #a6e3a1;
}

.ada-code-block .function {
    color: #89b4fa;
}

.ada-code-block .number {
    color: #fab387;
}

.ada-code-block .operator {
    color: #89dceb;
}

.ada-code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(139, 108, 193, 0.15);
}

.ada-code-lang {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ada-lavender);
    text-transform: uppercase;
}

.ada-code-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* === Formula Display === */
.ada-formula {
    text-align: center;
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-primary);
    overflow-x: auto;
}

/* === Note G Diagram === */
.ada-note-g-img {
    width: 100%;
    max-width: 700px;
    margin: var(--space-lg) auto;
    display: block;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-primary);
}

/* === Babbage Section === */
.ada-babbage-intro {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    background: var(--bg-card);
}

/* === Quote Block === */
.ada-quote {
    border-left: 3px solid var(--ada-gold);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    background: var(--bg-card);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.ada-quote cite {
    display: block;
    font-size: 0.8rem;
    font-style: normal;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    font-family: var(--font-mono);
}

/* === Key Facts / Summary === */
.ada-key-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.ada-fact {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
    transition: all 0.3s ease;
}

.ada-fact:hover {
    transform: translateY(-3px);
    border-color: var(--ada-lavender);
}

.ada-fact-icon {
    font-size: 1.8rem;
    margin-bottom: var(--space-xs);
}

.ada-fact-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.ada-fact-value {
    font-family: 'Playfair Display', var(--font-serif);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-top: var(--space-xs);
}

/* === References === */
.ada-references {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-secondary);
}

.ada-references-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.ada-references-list {
    list-style: none;
    padding: 0;
}

.ada-references-list li {
    padding: var(--space-xs) 0;
}

.ada-references-list a {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ada-lavender);
    text-decoration: none;
    transition: color 0.2s ease;
}

.ada-references-list a:hover {
    color: var(--ada-gold);
}

.ada-references-list a::before {
    content: '→ ';
    opacity: 0.5;
}

/* === Page Footer === */
.ada-footer {
    text-align: center;
    padding: var(--space-xl) 0;
    margin-top: var(--space-xl);
    border-top: 1px solid var(--border-secondary);
}

.ada-footer-memorial {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.ada-footer-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: var(--space-lg);
    opacity: 0.6;
}

/* === Responsive === */
@media (max-width: 768px) {
    .ada-container {
        padding: 0 var(--space-md);
    }

    .ada-philosophy-grid {
        grid-template-columns: 1fr;
    }

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

    .ada-key-facts {
        grid-template-columns: 1fr;
    }

    .ada-gallery {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .ada-hero-portrait {
        width: 140px;
        height: 140px;
    }

    .ada-epigraph {
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .ada-name {
        font-size: 2rem;
    }

    .ada-section-title {
        font-size: 1.4rem;
    }
}