/**
 * Descendência Bíblica - Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 */

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
    /* Primary Palette - Golden Hour */
    --primary-color: #FFD700;
    --secondary-color: #FFA500;
    --accent-color: #FF8C00;
    --surface-color: #FFF8E7;
    --text-color: #2D1810;
    
    /* Derived Colors */
    --primary-hover: #E6C200;
    --primary-light: rgba(255, 215, 0, 0.15);
    --primary-dark: #B8860B;
    --secondary-light: rgba(255, 165, 0, 0.15);
    --accent-light: rgba(255, 140, 0, 0.15);
    
    /* Neutral Colors */
    --bg-color: #FFFDF7;
    --bg-secondary: #FFF8E7;
    --text-muted: #6B5344;
    --text-light: #8B7355;
    --border-color: rgba(45, 24, 16, 0.1);
    --shadow-color: rgba(45, 24, 16, 0.08);
    
    /* Category Colors */
    --patriarch-color: #8B4513;
    --king-color: #DAA520;
    --prophet-color: #4169E1;
    --tribe-leader-color: #228B22;
    --messiah-color: #DC143C;
    
    /* Status Colors */
    --success-color: #22C55E;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --info-color: #3B82F6;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 500;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-toast: 1100;
    
    /* Safe Areas */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    
    /* Header & Nav Heights */
    --header-height: 60px;
    --bottom-nav-height: 65px;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-color: #1A1410;
    --bg-secondary: #2D2420;
    --surface-color: #3D3430;
    --text-color: #FFF8E7;
    --text-muted: #C4B5A5;
    --text-light: #A89585;
    --border-color: rgba(255, 248, 231, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    --primary-light: rgba(255, 215, 0, 0.2);
    --secondary-light: rgba(255, 165, 0, 0.2);
    --accent-light: rgba(255, 140, 0, 0.2);
}

/* ========================================
   CSS RESET & BASE
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: clamp(14px, 2.5vw, 16px);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    padding-top: calc(var(--header-height) + var(--safe-top));
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 20px);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

@media (min-width: 768px) {
    body {
        padding-bottom: var(--spacing-xl);
    }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: 16px; /* Prevents iOS zoom */
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--primary-color);
    color: var(--text-color);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-color);
}

h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.25rem); }

p {
    color: var(--text-muted);
}

/* ========================================
   HEADER
   ======================================== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    padding: 0 var(--spacing-md);
    padding-top: var(--safe-top);
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    box-shadow: 0 2px 12px var(--shadow-color);
    z-index: var(--z-fixed);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-logo i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.header-logo h1 {
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
}

.logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

@media (max-width: 400px) {
    .header-logo h1 {
        font-size: 0.95rem;
    }
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
}

@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
    }
    
    .desktop-nav .nav-link {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-md);
        font-size: 0.875rem;
        font-weight: 500;
        color: var(--text-muted);
        transition: all var(--transition-normal);
    }
    
    .desktop-nav .nav-link:hover {
        background: var(--primary-light);
        color: var(--text-color);
    }
    
    .desktop-nav .nav-link.active {
        background: var(--primary-color);
        color: var(--text-color);
    }
    
    .desktop-nav .nav-link i {
        font-size: 1rem;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    min-height: 44px;
    min-width: 44px;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-color);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    min-height: 36px;
    min-width: 36px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-normal);
}

.btn-icon:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* ========================================
   BOTTOM NAVIGATION
   ======================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    padding-bottom: var(--safe-bottom);
    background: var(--bg-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -4px 20px var(--shadow-color);
    z-index: var(--z-fixed);
    border-top: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .bottom-nav {
        display: none !important;
    }
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: var(--spacing-sm);
    min-width: 60px;
    min-height: 48px;
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    border-radius: var(--radius-md);
}

.nav-item i {
    font-size: 1.25rem;
    transition: transform var(--transition-normal);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item.active i {
    transform: scale(1.15);
}

.nav-item:active {
    transform: scale(0.95);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    min-height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
}

.section {
    padding: var(--spacing-md);
    animation: fadeIn var(--transition-normal);
}

.section[hidden] {
    display: none !important;
}

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

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-lg);
        max-width: 1200px;
        margin: 0 auto;
    }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    display: grid;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
    .hero {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        padding: var(--spacing-2xl) 0;
    }
}

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

@media (min-width: 768px) {
    .hero-content {
        text-align: left;
    }
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: clamp(1.75rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        margin-left: 0;
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .hero-actions {
        justify-content: flex-start;
    }
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .hero-stats {
        justify-content: flex-start;
    }
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Hero Visual - Tree Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
    max-width: 100%;
}

.carousel { width: 100%; height: 300px; position: relative; overflow: hidden; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.carousel-inner { display: flex; transition: transform 0.5s ease-in-out; width: 100%; height: 100%; }
.carousel-item { min-width: 100%; flex: 0 0 100%; height: 100%; opacity: 0.8; transition: opacity 0.5s; }
.carousel-item.active { opacity: 1; }
@media (max-width: 768px) { .carousel { height: 200px; } }

.tree-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px var(--shadow-color);
}

.tree-node {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

.tree-node.root {
    background: var(--patriarch-color);
    color: white;
    border-color: var(--patriarch-color);
}

.tree-node.highlight {
    background: var(--messiah-color);
    color: white;
    border-color: var(--messiah-color);
    animation: glow 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 10px rgba(220, 20, 60, 0.3); }
    50% { box-shadow: 0 0 20px rgba(220, 20, 60, 0.6); }
}

.tree-branch {
    width: 2px;
    height: 20px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

.tree-level {
    display: flex;
    gap: var(--spacing-md);
}

/* ========================================
   SECTION BLOCKS
   ======================================== */
.section-block {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
}

.section-header h3 i {
    color: var(--primary-color);
}

.link-more {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
    transition: gap var(--transition-normal);
}

.link-more:hover {
    gap: var(--spacing-sm);
}

.section-header-main {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header-main h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.section-header-main h2 i {
    color: var(--primary-color);
}

.section-header-main p {
    color: var(--text-muted);
}

/* ========================================
   FEATURED TREES
   ======================================== */
.featured-trees {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.tree-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.tree-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow-color);
    border-color: var(--primary-color);
}

.tree-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.tree-card-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.tree-card h4 {
    margin-bottom: var(--spacing-xs);
}

.tree-card p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.tree-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-light);
}

.tree-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ========================================
   CHARACTERS CAROUSEL
   ======================================== */
.characters-carousel {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.characters-carousel::-webkit-scrollbar {
    height: 6px;
}

.characters-carousel::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

.characters-carousel::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.character-card-mini {
    flex: 0 0 140px;
    scroll-snap-align: start;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.character-card-mini:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-color);
    border-color: var(--primary-color);
}

.character-avatar {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.character-card-mini h5 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.character-card-mini .role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   TRIBES GRID
   ======================================== */
.tribes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.tribe-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.tribe-badge:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
}

.tribe-badge .tribe-icon {
    font-size: 1.5rem;
}

.tribe-badge span {
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

/* ========================================
   CONTINUE EXPLORING
   ======================================== */
.continue-exploring {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.empty-state h4 {
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.history-item:hover {
    background: var(--primary-light);
}

.history-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: 50%;
    font-size: 1rem;
}

.history-item-info {
    flex: 1;
}

.history-item-info h5 {
    font-size: 0.9rem;
}

.history-item-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   PROGRESS SECTION
   ======================================== */
.progress-section {
    margin-top: var(--spacing-xl);
}

.progress-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    color: var(--text-color);
}

.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.progress-header h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.progress-stats {
    margin-bottom: var(--spacing-lg);
}

.progress-item {
    margin-bottom: var(--spacing-md);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: white;
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.achievements {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.achievement {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.achievement.locked {
    opacity: 0.5;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.cta-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   GENEALOGY SECTION
   ======================================== */
.tree-selector {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    -webkit-overflow-scrolling: touch;
}

.tree-tab {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
    transition: all var(--transition-normal);
}

.tree-tab:hover {
    border-color: var(--primary-color);
    color: var(--text-color);
}

.tree-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-color);
}

.tree-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tree-container {
    position: relative;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 400px;
    border: 1px solid var(--border-color);
}

.tree-wrapper {
    width: 100%;
    height: 100%;
    overflow: auto;
    padding: var(--spacing-lg);
    -webkit-overflow-scrolling: touch;
}

.family-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    min-width: max-content;
    transform-origin: center top;
    transition: transform var(--transition-normal);
}

.tree-generation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    position: relative;
}

.tree-person {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tree-person:hover {
    transform: scale(1.05);
}

.tree-person-node {
    width: 80px;
    height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.tree-person-node.patriarch {
    border-color: var(--patriarch-color);
    background: linear-gradient(135deg, var(--patriarch-color), #A0522D);
    color: white;
}

.tree-person-node.king {
    border-color: var(--king-color);
    background: linear-gradient(135deg, var(--king-color), #B8860B);
    color: white;
}

.tree-person-node.prophet {
    border-color: var(--prophet-color);
    background: linear-gradient(135deg, var(--prophet-color), #1E90FF);
    color: white;
}

.tree-person-node.tribe-leader {
    border-color: var(--tribe-leader-color);
    background: linear-gradient(135deg, var(--tribe-leader-color), #32CD32);
    color: white;
}

.tree-person-node.messiah {
    border-color: var(--messiah-color);
    background: linear-gradient(135deg, var(--messiah-color), #FF6347);
    color: white;
    box-shadow: 0 0 20px rgba(220, 20, 60, 0.4);
}

.tree-person-node i {
    font-size: 1.5rem;
    margin-bottom: 2px;
}

.tree-person-name {
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    max-width: 90px;
}

.tree-connector {
    position: absolute;
    background: var(--border-color);
}

.tree-connector.vertical {
    width: 2px;
    height: 30px;
}

.tree-connector.horizontal {
    height: 2px;
}

.tree-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.legend-color.patriarch { background: var(--patriarch-color); }
.legend-color.king { background: var(--king-color); }
.legend-color.prophet { background: var(--prophet-color); }
.legend-color.tribe-leader { background: var(--tribe-leader-color); }
.legend-color.messiah { background: var(--messiah-color); }

/* Tree Info Panel */
.tree-info-panel {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--safe-bottom));
    left: 0;
    right: 0;
    max-height: 60vh;
    background: var(--bg-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    box-shadow: 0 -8px 32px var(--shadow-color);
    z-index: var(--z-modal);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    overflow: hidden;
}

.tree-info-panel:not([hidden]) {
    transform: translateY(0);
}

@media (min-width: 768px) {
    .tree-info-panel {
        position: absolute;
        bottom: auto;
        top: var(--spacing-md);
        right: var(--spacing-md);
        left: auto;
        width: 320px;
        max-height: calc(100% - var(--spacing-xl));
        border-radius: var(--radius-lg);
        transform: translateX(120%);
    }
    
    .tree-info-panel:not([hidden]) {
        transform: translateX(0);
    }
}

.panel-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-color);
    border-radius: 50%;
    color: var(--text-muted);
    z-index: 1;
}

.panel-content {
    padding: var(--spacing-lg);
    padding-top: var(--spacing-2xl);
    overflow-y: auto;
    max-height: 60vh;
}

@media (min-width: 768px) {
    .panel-content {
        max-height: calc(100vh - 200px);
    }
}

/* ========================================
   CHARACTERS SECTION
   ======================================== */
.filters-bar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .filters-bar {
        flex-direction: row;
        align-items: center;
    }
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 44px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-color);
    transition: all var(--transition-normal);
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.filter-chips {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    -webkit-overflow-scrolling: touch;
}

.chip {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
    transition: all var(--transition-normal);
}

.chip:hover {
    border-color: var(--primary-color);
}

.chip.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-color);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.character-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
}

.character-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow-color);
    border-color: var(--primary-color);
}

.character-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.character-card-avatar {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
}

.character-card-avatar.patriarch { background: var(--patriarch-color); color: white; }
.character-card-avatar.king { background: var(--king-color); color: white; }
.character-card-avatar.prophet { background: var(--prophet-color); color: white; }
.character-card-avatar.tribe-leader { background: var(--tribe-leader-color); color: white; }
.character-card-avatar.messiah { background: var(--messiah-color); color: white; }

.character-card-info {
    flex: 1;
}

.character-card-info h4 {
    margin-bottom: var(--spacing-xs);
}

.character-card-role {
    display: inline-block;
    padding: 2px var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-transform: uppercase;
}

.character-card-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.character-card-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-light);
}

.character-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.favorite-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    border-radius: 50%;
    color: var(--text-muted);
    transition: all var(--transition-normal);
}

.favorite-btn:hover {
    color: var(--error-color);
}

.favorite-btn.active {
    color: var(--error-color);
}

.favorite-btn.active i {
    font-weight: 900;
}

/* ========================================
   MODALS
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal[hidden] {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 92%;
    max-width: 500px;
    max-height: 85vh;
    background: var(--bg-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    animation: fadeScale var(--transition-normal);
    box-shadow: 0 10px 40px var(--shadow-color);
}

.modal-content.modal-lg {
    max-width: 700px;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeScale {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-color);
    border-radius: 50%;
    color: var(--text-muted);
    z-index: 1;
    transition: all var(--transition-normal);
}

.modal-close:hover {
    background: var(--error-color);
    color: white;
}

.modal-body {
    padding: var(--spacing-lg);
    padding-top: var(--spacing-2xl);
    overflow-y: auto;
    max-height: 80vh;
}

/* Character Detail */
.character-detail-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.character-detail-avatar {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 2rem;
}

.character-detail-info h3 {
    margin-bottom: var(--spacing-xs);
}

.character-detail-section {
    margin-bottom: var(--spacing-lg);
}

.character-detail-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.character-detail-section p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.family-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.family-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.family-link:hover {
    background: var(--primary-light);
}

.verse-card {
    background: var(--surface-color);
    border-left: 3px solid var(--primary-color);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--spacing-sm);
}

.verse-card p {
    font-style: italic;
    margin-bottom: var(--spacing-xs);
}

.verse-card cite {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ========================================
   TRIBES SECTION
   ======================================== */
.tribes-intro {
    margin-bottom: var(--spacing-xl);
}

.intro-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.intro-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.intro-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.intro-content h3 {
    margin-bottom: var(--spacing-sm);
}

.tribes-full-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.tribe-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    text-align: center;
}

.tribe-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow-color);
    border-color: var(--primary-color);
}

.tribe-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.tribe-card h4 {
    margin-bottom: var(--spacing-xs);
}

.tribe-card .tribe-origin {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.tribe-card-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Tribe Detail */
.tribe-detail-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.tribe-detail-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.tribe-detail-section {
    margin-bottom: var(--spacing-lg);
}

.tribe-detail-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.tribe-members {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tribe-member {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tribe-member:hover {
    background: var(--primary-light);
}

/* ========================================
   TIMELINE SECTION
   ======================================== */
.timeline-controls {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    -webkit-overflow-scrolling: touch;
}

.timeline-container {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
    padding-left: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 3px solid var(--bg-color);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--primary-light);
}

.timeline-item.highlight::before {
    background: var(--messiah-color);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.2);
}

.timeline-period {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: #1A1410;
    margin-bottom: var(--spacing-sm);
}

.timeline-content {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.timeline-content h4 {
    margin-bottom: var(--spacing-xs);
}

.timeline-content .timeline-date {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    font-size: 0.9rem;
}

.timeline-characters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.timeline-character {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.timeline-character:hover {
    background: var(--primary-light);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-content {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content > .faq-section,
    .about-content > .curiosities-section {
        grid-column: 1 / -1;
    }
}

.about-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.about-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.about-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.about-card h3 {
    margin-bottom: var(--spacing-md);
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.about-list li i {
    color: var(--success-color);
    margin-top: 4px;
}

/* FAQ */
.faq-section {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.faq-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.faq-section h3 i {
    color: var(--primary-color);
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-weight: 500;
    text-align: left;
    transition: all var(--transition-normal);
    border: none;
    border-bottom: 1px solid var(--border-color);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.1);
}

.faq-icon {
    transition: transform var(--transition-normal);
    color: var(--primary-color);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: var(--spacing-md);
    background: var(--surface-color);
    color: var(--text-muted);
}

.faq-answer[hidden] {
    display: none;
}

.faq-answer p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Curiosities */
.curiosities-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.curiosities-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.curiosities-section h3 i {
    color: var(--primary-color);
}

.curiosities-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .curiosities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.curiosity-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-color);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-color);
}

.curiosity-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.curiosity-content h5 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.curiosity-content p {
    font-size: 0.85rem;
}

/* ========================================
   SEARCH MODAL
   ======================================== */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: var(--bg-color);
    padding: var(--spacing-md);
    padding-top: calc(var(--safe-top) + var(--spacing-md));
}

.search-modal[hidden] {
    display: none;
}

.search-modal-content {
    max-width: 600px;
    margin: 0 auto;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.search-input-wrapper i {
    color: var(--text-muted);
}

.search-input-wrapper input {
    flex: 1;
    border: none;
    background: none;
    color: var(--text-color);
    font-size: 1rem;
}

.search-input-wrapper input::placeholder {
    color: var(--text-light);
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: calc(100vh - 150px);
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.search-result-item:hover {
    background: var(--primary-light);
}

.search-result-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: 50%;
    font-size: 1.25rem;
}

.search-result-info h5 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.search-result-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--spacing-md));
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: calc(100% - var(--spacing-lg));
    max-width: 400px;
    pointer-events: none;
}

@media (min-width: 768px) {
    .toast-container {
        bottom: var(--spacing-lg);
    }
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--text-color);
    color: var(--bg-color);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px var(--shadow-color);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: auto;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success-color);
    color: white;
}

.toast.error {
    background: var(--error-color);
    color: white;
}

.toast.warning {
    background: var(--warning-color);
    color: var(--text-color);
}

.toast i {
    font-size: 1.25rem;
}

/* ========================================
   FOOTER
   ======================================== */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--spacing-xl));
    background: var(--surface-color);
    margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .app-footer {
        padding-bottom: var(--spacing-xl);
    }
}

.footer-content p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.b20-link {
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.b20-link:hover {
    text-decoration: underline;
}

.footer-link a {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ========================================
   SKELETON LOADING
   ======================================== */
.skeleton {
    background: linear-gradient(90deg, 
        var(--surface-color) 25%, 
        var(--bg-secondary) 50%, 
        var(--surface-color) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.skeleton-text {
    height: 1em;
    margin-bottom: var(--spacing-sm);
}

.skeleton-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
}

.skeleton-card {
    height: 150px;
}

/* ========================================
   UTILITIES
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .app-header,
    .bottom-nav,
    .toast-container {
        display: none !important;
    }
    
    body {
        padding: 0;
    }
    
    .section {
        display: block !important;
    }
}


/* Carousel */