/* ============================================
   NATRE - Design System & CSS Custom Properties
   ============================================ */

:root {
    /* Primary palette — flat, no gradients */
    --color-primary: #534AB7;
    --color-primary-dark: #3C3489;
    --color-primary-light: #7F77DD;
    --color-secondary: #3C3489;
    --color-accent: #7F77DD;
    --gradient-primary: #534AB7;
    --gradient-hero: #534AB7;

    /* Semantic colors */
    --color-success: #34a853;
    --color-warning: #fbbc04;
    --color-error: #ea4335;
    --color-info: #4285f4;
    --color-male: #4285f4;
    --color-female: #ea4335;

    /* Neutrals */
    --color-text: #202124;
    --color-text-secondary: #5f6368;
    --color-text-muted: #80868b;
    --color-bg: #f8f9fa;
    --color-bg-white: #ffffff;
    --color-bg-card: #ffffff;
    --color-border: #e8eaed;
    --color-border-light: #dadce0;

    /* Surfaces */
    --surface-elevated: rgba(255, 255, 255, 0.98);
    --surface-overlay: rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 6px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 10px 32px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 3.5rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] {
    --color-text: #e8eaed;
    --color-text-secondary: #9aa0a6;
    --color-text-muted: #80868b;
    --color-bg: #1a1a2e;
    --color-bg-white: #16213e;
    --color-bg-card: #1e2a4a;
    --color-border: #2d3748;
    --color-border-light: #374151;
    --surface-elevated: rgba(30, 42, 74, 0.98);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 100px rgba(102, 126, 234, 0.15);
}

[data-theme="dark"] body {
    background: #14141f;
}

[data-theme="dark"] .content-wrapper {
    background: var(--surface-elevated);
}

[data-theme="dark"] .name-input {
    background: var(--color-bg-card);
    color: var(--color-text);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .name-input::placeholder {
    color: var(--color-text-muted);
}

[data-theme="dark"] .stat-card,
[data-theme="dark"] .insight-card,
[data-theme="dark"] .chart-container,
[data-theme="dark"] .decade-card,
[data-theme="dark"] .comparison-row,
[data-theme="dark"] .gender-card,
[data-theme="dark"] .cta-section {
    background: var(--color-bg-card);
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="dark"] .autocomplete-suggestions {
    background: var(--color-bg-card);
}

[data-theme="dark"] .autocomplete-item {
    color: var(--color-text);
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .autocomplete-item:hover {
    background: rgba(102, 126, 234, 0.15);
}

[data-theme="dark"] .section-header {
    color: var(--color-text);
    border-bottom-color: var(--color-border);
}

[data-theme="dark"] .btn {
    background: var(--color-bg-card);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] .progressive-form {
    background: var(--color-bg-card);
}

[data-theme="dark"] .progressive-form input {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

/* ============================================
   BASE STYLES
   ============================================ */

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

body {
    font-family: var(--font-family);
    background: var(--gradient-hero);
    background-attachment: fixed;
    color: var(--color-text);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Skip to content (accessibility) */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-to-content:focus {
    top: 1rem;
    text-decoration: none;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-xl);
    position: relative;
    z-index: 1;
}

.content-wrapper {
    background: var(--surface-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
}

/* ============================================
   HEADER
   ============================================ */

header {
    text-align: center;
    padding: var(--space-2xl) 0 var(--space-xl) 0;
    position: relative;
}

header h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.header-actions {
    position: absolute;
    top: var(--space-xl);
    right: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Dark mode toggle */
.theme-toggle {
    background: none;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-base);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.theme-toggle:hover {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

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

/* Hero stats inline */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.3s both;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes loading-bar {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes cardEntrance {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SEARCH SECTION
   ============================================ */

.search-section {
    margin: var(--space-2xl) 0;
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.input-wrapper {
    margin: var(--space-xl) 0;
    position: relative;
}

.autocomplete-container {
    position: relative;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

.name-input {
    width: 100%;
    max-width: 700px;
    padding: 1.5rem 2rem;
    font-size: 1.3rem;
    border: 3px solid transparent;
    border-radius: var(--radius-full);
    outline: none;
    transition: all var(--transition-smooth);
    background: var(--color-bg-white);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    font-weight: 500;
    color: var(--color-text);
}

.name-input:hover {
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.name-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.3), 0 0 0 4px rgba(102, 126, 234, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.name-input::placeholder {
    color: #aaa;
    font-weight: 400;
}

/* ============================================
   BUTTONS
   ============================================ */

.button-group {
    margin: var(--space-xl) 0;
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-bg);
    border-radius: var(--radius-xl);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.btn:hover {
    border-color: var(--color-border-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
    transform: translateY(-2px);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.75rem 2.5rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--color-bg-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.75rem 2rem;
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-link {
    background: transparent;
    border: none;
    color: #1a73e8;
    padding: 0.5rem 1rem;
}

.btn-link:hover {
    text-decoration: underline;
    box-shadow: none;
}

/* ============================================
   TAGS
   ============================================ */

.trending-tag, .related-name-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-bg-white);
    color: var(--color-primary);
    border: 1px solid var(--color-border-light);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.trending-tag:hover, .related-name-tag:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    text-decoration: none;
}

[data-theme="dark"] .trending-tag,
[data-theme="dark"] .related-name-tag {
    background: var(--color-bg-card);
    color: var(--color-primary-light);
}

/* ============================================
   AUTOCOMPLETE
   ============================================ */

.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-white);
    border: none;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    margin-top: 0.5rem;
}

.autocomplete-suggestions.active {
    display: block;
    animation: slideDown 0.3s ease;
}

.autocomplete-item {
    padding: 1rem 1.5rem;
    cursor: pointer;
    border-bottom: 1px solid #f5f7fa;
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
    position: relative;
}

.autocomplete-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: rgba(83, 74, 183, 0.08);
    transition: width var(--transition-base);
}

.autocomplete-item:hover {
    background: var(--color-bg);
}

.autocomplete-item:hover::before {
    width: 100%;
}

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

/* ============================================
   FORMS
   ============================================ */

.progressive-form {
    display: none;
    margin: var(--space-xl) auto;
    max-width: 500px;
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.progressive-form.active {
    display: block;
}

.form-group {
    margin: var(--space-md) 0;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid #dfe1e5;
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
    background: var(--color-bg-white);
    color: var(--color-text);
}

.form-group input:focus {
    border-color: var(--color-info);
}

/* ============================================
   RESULTS
   ============================================ */

.results-section {
    display: none;
    margin: var(--space-2xl) 0;
}

.results-section.active {
    display: block;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

/* ============================================
   STATS GRID
   ============================================ */

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

.stat-card {
    background: var(--color-bg);
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
    text-align: center;
    animation: cardEntrance 0.4s ease both;
}

.stat-value {
    font-size: 2rem;
    font-weight: 500;
    color: #1a73e8;
    margin: 0.5rem 0;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ============================================
   INSIGHT CARDS
   ============================================ */

.insight-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
    border-left: 4px solid var(--color-info);
    animation: cardEntrance 0.4s ease both;
}

.insight-title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.insight-text {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.highlight {
    color: var(--color-info);
    font-weight: 600;
}

/* ============================================
   SECTIONS
   ============================================ */

.section-header {
    font-size: var(--font-size-xl);
    font-weight: 500;
    margin: 2.5rem 0 var(--space-md) 0;
    color: var(--color-text);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
}

.chart-container {
    background: var(--color-bg-white);
    padding: var(--space-xl) var(--space-md);
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
    border: 1px solid var(--color-border);
    animation: cardEntrance 0.4s ease both;
}

.chart-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-text);
    font-weight: 500;
}

/* ============================================
   DECADE GRID
   ============================================ */

.decade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.decade-card {
    background: var(--color-bg-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.decade-card:hover {
    border-color: var(--color-info);
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.1);
}

.decade-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.decade-value {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-info);
}

/* ============================================
   GENDER SPLIT
   ============================================ */

.gender-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin: var(--space-md) 0;
}

.gender-card {
    background: var(--color-bg-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    text-align: center;
}

.gender-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* ============================================
   COMPARISONS
   ============================================ */

.comparison-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    margin: 0.75rem 0;
    border: 1px solid var(--color-border);
}

.comparison-label {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.comparison-value {
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================
   FUN FACT
   ============================================ */

.fun-fact {
    background: var(--color-primary);
    color: white;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.fun-fact::before {
    content: '💡';
    font-size: 3rem;
    position: absolute;
    right: 1rem;
    bottom: 0.5rem;
    opacity: 0.3;
}

.fun-fact-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

/* ============================================
   RELATED NAMES
   ============================================ */

.related-names {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: var(--space-md) 0;
}

/* ============================================
   PROGRESS BAR
   ============================================ */

.progress-bar-container {
    background: var(--color-border);
    height: 8px;
    border-radius: var(--radius-sm);
    margin: 0.5rem 0;
    overflow: hidden;
}

.progress-bar {
    background: var(--color-primary-light);
    height: 100%;
    transition: width 0.5s ease;
}

/* ============================================
   BADGES
   ============================================ */

.rank-badge {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    margin: 0.5rem 0.25rem;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: var(--color-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    text-align: center;
    margin: var(--space-xl) 0;
}

.cta-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.explore-more-btn {
    background: var(--color-info);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin: 0.5rem;
}

.explore-more-btn:hover {
    background: #1967d2;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

/* ============================================
   LOADING
   ============================================ */

.loading {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-text-secondary);
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-radius: 50%;
    border-top-color: var(--color-info);
    animation: spin 0.8s linear infinite;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-border) 50%, var(--color-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    height: 120px;
    margin: var(--space-md) 0;
}

.skeleton-text {
    height: 1rem;
    margin: var(--space-sm) 0;
    width: 80%;
}

.skeleton-text.short {
    width: 40%;
}

.loading-skeleton {
    pointer-events: none;
    animation: pulse 1.5s ease-in-out infinite;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: white;
    color: #202124;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

.toast.success { border-left: 4px solid var(--color-success); }
.toast.error { border-left: 4px solid var(--color-error); }
.toast.warning { border-left: 4px solid var(--color-warning); }
.toast.info { border-left: 4px solid var(--color-info); }

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-2xl) var(--space-xl) var(--space-lg);
    margin-top: 5rem;
}

.site-footer a {
    color: white;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.site-footer a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    line-height: 2.2;
}

.footer-stats {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--space-xl);
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--space-xl);
    text-align: center;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    opacity: 0.8;
    font-size: 0.9rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }

    .content-wrapper {
        padding: var(--space-lg);
        border-radius: var(--radius-lg);
    }

    header h1 {
        font-size: var(--font-size-3xl);
    }

    .hero-stats {
        gap: var(--space-md);
    }

    .hero-stat-value {
        font-size: var(--font-size-xl);
    }

    .header-actions {
        position: static;
        justify-content: center;
        margin-top: var(--space-md);
    }

    .name-input {
        font-size: 1rem;
        padding: 1.2rem 1.5rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 640px) {
    header h1 {
        font-size: var(--font-size-3xl);
    }

    .name-input {
        font-size: 0.95rem;
    }

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

    .main-grid {
        grid-template-columns: 1fr !important;
    }

    .gender-split {
        grid-template-columns: 1fr;
    }

    .toast-container {
        left: 1rem;
        right: 1rem;
        top: 1rem;
    }

    .toast {
        max-width: 100%;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   MOBILE: ENGAGEMENT WIDGET / FLOATING BUTTONS
   ============================================ */

@media (max-width: 600px) {
    #engagementButtons {
        bottom: 1rem !important;
        right: 0.75rem !important;
        left: auto !important;
    }

    #shareMenu {
        bottom: 7rem !important;
        right: 0.75rem !important;
        left: 0.75rem !important;
        min-width: unset !important;
        max-width: calc(100vw - 1.5rem);
    }

    #recentSearchesWidget,
    #savedNamesWidget,
    #mybadakWidget,
    #mybadakPromotion {
        min-width: 0 !important;
    }

    #shareMenu button {
        font-size: 0.95rem;
    }
}

@media (max-width: 400px) {
    #engagementButtons button {
        padding: 0.75rem 1rem !important;
        font-size: 0.85rem !important;
    }
}

/* ============================================
   SERVER-RENDERED NAME CORE (instant content)
   ============================================ */

.server-core {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 16px);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
    position: relative;
    z-index: 1;
}

.core-header {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.core-name {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
}

.core-badge {
    font-size: var(--font-size-xs);
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: rgba(83, 74, 183, 0.12);
    color: var(--color-primary);
    font-weight: 600;
}

.core-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.core-tile {
    background: var(--color-bg);
    border-radius: var(--radius-md, 8px);
    padding: var(--space-md);
}

.core-tile-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
}

.core-tile-value {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
}

.core-spark {
    width: 100%;
    height: auto;
    display: block;
}

.core-spark-caption {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: right;
    margin-top: 0.25rem;
}

.core-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.core-links-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.core-links-more {
    font-size: var(--font-size-sm);
    margin-left: auto;
}

/* ============================================
   A-Z BROWSE PAGES
   ============================================ */

.letter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
}

.letter-card {
    display: block;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    text-decoration: none;
}

.letter-card:hover {
    border-color: var(--color-primary);
    text-decoration: none;
}

.letter-card-letter {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.letter-card-count {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

.name-link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: var(--space-lg) 0;
}

.name-link {
    padding: 0.35rem 0.8rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-decoration: none;
}

.name-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: var(--space-xl);
}

.pagination a,
.pagination-current {
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.pagination-current {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.footer-letters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: var(--space-md);
}

.footer-letters a {
    color: white;
    opacity: 0.85;
    padding: 0.15rem 0.4rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}