/**
 * Os Mistérios dos Números - Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * 
 * Design: Editorial/Magazine + Education/Gamified + Bento Grid
 * Mobile-First PWA-like Experience
 */

/* ========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ======================================== */
:root {
    /* Primary Palette */
    --primary-color: #87CEEB;
    --primary-dark: #5BA3C6;
    --primary-light: #A9E2F3;
    --secondary-color: #98D8E8;
    --accent-color: #A9E2F3;
    --surface-color: #FFFFFF;
    --surface-elevated: #F8FCFF;
    --background-color: #F0F9FF;
    
    /* Text Colors */
    --text-primary: #1A365D;
    --text-secondary: #4A5568;
    --text-tertiary: #718096;
    --text-inverse: #FFFFFF;
    --text-link: #2B6CB0;
    
    /* Semantic Colors */
    --success-color: #48BB78;
    --success-bg: #F0FFF4;
    --warning-color: #ED8936;
    --warning-bg: #FFFAF0;
    --error-color: #F56565;
    --error-bg: #FFF5F5;
    --info-color: #4299E1;
    --info-bg: #EBF8FF;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(135, 206, 235, 0.3);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --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: 2.5rem;
    
    /* Layout */
    --header-height: 60px;
    --bottom-nav-height: 65px;
    --max-width: 1200px;
    --content-padding: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-Index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-toast: 1100;
    --z-tooltip: 1200;
}

/* Dark Mode */
[data-theme="dark"] {
    --primary-color: #5BA3C6;
    --primary-dark: #87CEEB;
    --primary-light: #3D8AAD;
    --secondary-color: #4A8A9A;
    --accent-color: #6BB8D0;
    --surface-color: #1A202C;
    --surface-elevated: #2D3748;
    --background-color: #0D1117;
    
    --text-primary: #F7FAFC;
    --text-secondary: #CBD5E0;
    --text-tertiary: #A0AEC0;
    --text-link: #63B3ED;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(91, 163, 198, 0.3);
}

/* ========================================
   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%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    min-height: 100vh;
    padding-top: var(--header-height);
    padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }
}

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

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

/* ========================================
   ACCESSIBILITY
   ======================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: var(--spacing-sm);
}

.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;
}

/* ========================================
   HEADER
   ======================================== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--content-padding);
    box-shadow: var(--shadow-md);
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding-top: env(safe-area-inset-top, 0);
}

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

.logo-icon {
    font-size: 1.5rem;
}

.header-logo h1 {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

@media (min-width: 480px) {
    .header-logo h1 {
        max-width: none;
    }
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
    gap: var(--spacing-xs);
}

@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
    }
}

.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);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.desktop-nav .nav-link:hover {
    background: var(--primary-light);
    color: var(--text-primary);
}

.desktop-nav .nav-link.active {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.desktop-nav .nav-link i {
    font-size: 1rem;
}

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

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-icon:active {
    transform: scale(0.95);
}

/* ========================================
   BOTTOM NAVIGATION (Mobile)
   ======================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--surface-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: var(--z-sticky);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

@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) var(--spacing-md);
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: all var(--transition-fast);
    min-width: 60px;
}

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

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

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

.nav-item span {
    white-space: nowrap;
}

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

.section {
    display: none;
    padding: var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
    animation: fadeIn var(--transition-base);
}

.section.active {
    display: block;
}

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

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

/* Section Hero */
.section-hero {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.section-hero h2 {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-hero p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    max-width: 500px;
    margin: 0 auto;
}

/* Section Block */
.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 {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.link-more {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-link);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: gap var(--transition-fast);
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    min-height: 280px;
    display: flex;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-inverse);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-inverse);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
}

/* Hero Decoration */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-number {
    position: absolute;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.15);
    left: var(--x);
    top: var(--y);
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--text-inverse);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-lg);
}

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

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

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

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Number of Day Card */
.number-of-day-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.number-of-day-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.number-display {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.number-display .number {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-inverse);
}

.number-info {
    flex: 1;
    min-width: 0;
}

.number-info .title {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.number-info .description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.number-info .meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ========================================
   STATS GRID
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-sm);
    color: var(--primary-dark);
    font-size: 1.25rem;
}

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

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* ========================================
   BENTO GRID
   ======================================== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, auto);
    }
    
    .bento-grid .bento-item:first-child {
        grid-column: span 2;
        grid-row: span 2;
    }
}

.bento-item {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    min-height: 120px;
}

.bento-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.bento-item.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-inverse);
}

.bento-item.featured .bento-title,
.bento-item.featured .bento-number {
    color: var(--text-inverse);
}

.bento-item.featured .bento-description {
    color: rgba(255, 255, 255, 0.9);
}

.bento-number {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.bento-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-sm);
}

.bento-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: auto;
    padding-top: var(--spacing-sm);
}

/* ========================================
   CURIOSITIES
   ======================================== */
.curiosities-preview {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.curiosity-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.curiosity-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.curiosity-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.curiosity-content {
    flex: 1;
    min-width: 0;
}

.curiosity-title {
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.curiosity-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.curiosity-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* Curiosities List */
.curiosities-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.curiosity-card-full {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.curiosity-card-full:hover {
    box-shadow: var(--shadow-lg);
}

.curiosity-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.curiosity-header .icon {
    font-size: 2rem;
}

.curiosity-header .title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-inverse);
}

.curiosity-body {
    padding: var(--spacing-lg);
}

.curiosity-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.curiosity-body p:last-child {
    margin-bottom: 0;
}

.curiosity-verse {
    background: var(--surface-elevated);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--spacing-md) 0;
}

.curiosity-verse .verse-text {
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.curiosity-verse .verse-ref {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    font-weight: 500;
}

.curiosity-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--primary-dark);
    font-weight: 500;
}

.curiosity-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.category-tab:hover {
    background: var(--primary-light);
    color: var(--text-primary);
}

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

/* ========================================
   PROGRESS CARD
   ======================================== */
.progress-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

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

.progress-label {
    font-weight: 500;
    color: var(--text-primary);
}

.progress-value {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--primary-color);
}

.progress-bar {
    height: 8px;
    background: var(--primary-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-sm);
}

/* ========================================
   QUICK SEARCH
   ======================================== */
.quick-search-card {
    background: linear-gradient(135deg, var(--surface-elevated), var(--surface-color));
    border: 2px dashed var(--primary-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.quick-search-card h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.quick-search-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.quick-search-input {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 300px;
    margin: 0 auto;
}

.quick-search-input input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    font-family: var(--font-display);
    text-align: center;
    background: var(--surface-color);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.quick-search-input input:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.quick-search-input .btn {
    padding: var(--spacing-md);
    background: var(--primary-color);
    color: var(--text-inverse);
}

.quick-search-input .btn:hover {
    background: var(--primary-dark);
}

/* ========================================
   NUMBERS GRID
   ======================================== */
.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;
        justify-content: space-between;
        align-items: center;
    }
}

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

.filter-chips::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.filter-chip:hover {
    background: var(--primary-light);
}

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

/* Sort Dropdown */
.sort-dropdown {
    position: relative;
}

.sort-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.sort-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-xs);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.sort-menu[hidden] {
    display: none;
}

.sort-option {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.sort-option:hover {
    background: var(--primary-light);
}

.sort-option.active {
    background: var(--primary-color);
    color: var(--text-inverse);
}

/* Numbers Grid */
.numbers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .numbers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .numbers-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.number-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.number-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.number-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.number-card:hover::before {
    opacity: 1;
}

.number-card .number {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.number-card .title {
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-sm);
}

.number-card .description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.number-card .badges {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.number-card .badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--primary-dark);
}

.number-card .badge.favorite {
    background: var(--error-bg);
    color: var(--error-color);
}

.number-card .badge.read {
    background: var(--success-bg);
    color: var(--success-color);
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: flex-end;
}

@media (min-width: 768px) {
    .modal {
        align-items: center;
        justify-content: center;
    }
}

.modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--surface-color);
    width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideUp var(--transition-base);
}

@media (min-width: 768px) {
    .modal-content {
        max-width: 600px;
        max-height: 80vh;
        border-radius: var(--radius-xl);
        animation: scaleIn var(--transition-base);
    }
}

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

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--primary-light);
    background: var(--surface-elevated);
}

.modal-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-back:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.modal-title {
    flex: 1;
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* Modal Content Styles */
.modal-number-hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: calc(-1 * var(--spacing-lg));
    margin-bottom: var(--spacing-lg);
}

.modal-number-display {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 700;
    color: var(--text-inverse);
    line-height: 1;
}

.modal-number-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    color: var(--text-inverse);
    margin-top: var(--spacing-sm);
}

.modal-section {
    margin-bottom: var(--spacing-xl);
}

.modal-section h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.modal-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-section ul {
    list-style: none;
    padding: 0;
}

.modal-section li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--primary-light);
}

.modal-section li:last-child {
    border-bottom: none;
}

.modal-section li::before {
    content: '\\2022'; color: var(--primary-color);
    flex-shrink: 0;
}

.verse-card {
    background: var(--surface-elevated);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--spacing-md);
}

.verse-card:last-child {
    margin-bottom: 0;
}

.verse-text {
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.verse-ref {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    font-weight: 500;
}

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

.timeline-periods::-webkit-scrollbar {
    display: none;
}

.period-tab {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.period-tab:hover {
    background: var(--primary-light);
}

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

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

.timeline-container::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

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

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) + 4px);
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border: 3px solid var(--surface-color);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

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

.timeline-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

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

.timeline-number {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--surface-elevated);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.timeline-number .num {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--primary-color);
}

/* ========================================
   SEARCH MODAL
   ======================================== */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface-color);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
}

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

.search-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top, 0));
    border-bottom: 1px solid var(--primary-light);
}

.search-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--surface-elevated);
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-md);
}

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

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    outline: none;
}

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

.search-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--text-tertiary);
    color: var(--text-inverse);
    cursor: pointer;
}

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

.search-close {
    border: none;
    background: transparent;
    color: var(--text-link);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.search-suggestions h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

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

.suggestion-tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-elevated);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.suggestion-tag:hover {
    background: var(--primary-light);
    color: var(--text-primary);
}

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

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

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

.search-result-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-inverse);
    flex-shrink: 0;
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-weight: 600;
    color: var(--text-primary);
}

.search-result-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-no-results {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-tertiary);
}

.search-no-results .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   SHARE MODAL
   ======================================== */
.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1050; /* Higher than --z-modal (1000) to overlay over number-modal */
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

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

.share-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.share-modal-content {
    position: relative;
    background: var(--surface-color);
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom, 0));
    animation: slideUp var(--transition-base);
}

@media (min-width: 768px) {
    .share-modal {
        align-items: center;
    }
    
    .share-modal-content {
        border-radius: var(--radius-xl);
    }
}

.share-modal-content h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--surface-elevated);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-option:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

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

.share-option span {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.share-cancel {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-cancel:hover {
    background: var(--surface-elevated);
}

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

.about-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-card ul {
    list-style: none;
    padding: 0;
}

.about-card li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.about-card li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 700;
}

.about-stats {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.about-stats h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.faq-section h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

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

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-md);
    background: var(--surface-elevated);
    border: none;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--primary-light);
}

.faq-question[aria-expanded="true"] {
    background: var(--primary-light);
}

.faq-icon {
    transition: transform var(--transition-fast);
}

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

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

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

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   CONTINUE READING
   ======================================== */
.continue-reading {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
}

.continue-reading::-webkit-scrollbar {
    display: none;
}

.continue-card {
    flex-shrink: 0;
    width: 200px;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.continue-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.continue-card .number {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.continue-card .title {
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xs);
}

.continue-card .progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

/* ========================================
   BADGES
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.badge-accent {
    background: var(--accent-color);
    color: var(--text-primary);
}

.badge-success {
    background: var(--success-bg);
    color: var(--success-color);
}

/* ========================================
   EMPTY STATES
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state[hidden] {
    display: none;
}

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

.empty-state h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* ========================================
   SKELETON LOADING
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-elevated) 25%,
        var(--primary-light) 50%,
        var(--surface-elevated) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-lg);
}

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

.skeleton-card {
    height: 120px;
}

.skeleton-bento {
    height: 300px;
}

.skeleton-list {
    height: 200px;
}

.skeleton-grid {
    height: 400px;
}

.skeleton-timeline {
    height: 500px;
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + 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) * 2);
    max-width: 400px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: toastIn var(--transition-base);
    pointer-events: auto;
}

.toast.toast-out {
    animation: toastOut var(--transition-base) forwards;
}

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

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

.toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

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

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

.toast-info .toast-icon {
    background: var(--info-bg);
    color: var(--info-color);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.toast-message {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.toast-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--surface-elevated);
    color: var(--text-primary);
}

/* ========================================
   FOOTER
   ======================================== */
.app-footer {
    background: var(--surface-color);
    border-top: 1px solid var(--primary-light);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    margin-bottom: var(--bottom-nav-height);
}

@media (min-width: 768px) {
    .app-footer {
        margin-bottom: 0;
    }
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.footer-divider {
    height: 1px;
    background: var(--primary-light);
    margin: var(--spacing-md) auto;
    max-width: 200px;
}

.footer-credits {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.b20-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.b20-link:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

.footer-url {
    font-size: var(--font-size-xs);
}

.footer-url a {
    color: var(--text-tertiary);
    text-decoration: none;
}

.footer-url a:hover {
    color: var(--primary-color);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none !important;
}

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

.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

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


/* ========================================
   MODERN UI & BIBLE API STYLES (ADDED)
   ======================================== */

:root {
    --gold: #D4AF37;
    --gold-light: #F3E5AB;
    --dark-blue: #0B1120;
    --dark-blue-elevated: rgba(30, 41, 59, 0.7);
}

[data-theme="dark"] {
    --primary-color: var(--gold);
    --primary-dark: #B5952F;
    --primary-light: rgba(212, 175, 55, 0.2);
    --secondary-color: var(--gold-light);
    --accent-color: var(--gold);
    --surface-color: var(--dark-blue-elevated);
    --surface-elevated: rgba(30, 41, 59, 0.9);
    --background-color: var(--dark-blue);
    
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-tertiary: #94A3B8;
    --text-link: var(--gold);
}

.text-gold {
    color: var(--gold) !important;
}

.glass-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    border-radius: var(--radius-lg);
}

/* Bible Section */
.bible-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.bible-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    align-items: center;
}

.bible-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.8);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    min-width: 150px;
    outline: none;
    cursor: pointer;
}

.bible-select:focus {
    border-color: var(--gold);
}

.bible-content {
    padding: var(--spacing-xl);
    min-height: 400px;
}

.bible-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    text-align: center;
    gap: var(--spacing-md);
}

.bible-chapter-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    color: var(--gold);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    padding-bottom: var(--spacing-sm);
}

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

.verse-row {
    line-height: 1.8;
    font-size: 1.1rem;
}

.verse-num {
    font-weight: bold;
    color: var(--gold);
    font-size: 0.85em;
    margin-right: 4px;
    vertical-align: super;
}

.bible-search-container {
    padding: var(--spacing-lg);
    margin-top: -10px;
    margin-bottom: 10px;
}

.bible-search-list {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.bible-search-list li {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--gold);
}

/* Header Logo Image */
.header-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}
.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* Override Phosphor Icon Sizes */
.ph {
    font-size: 1.25em;
    vertical-align: middle;
}
.nav-item .ph {
    font-size: 1.5em;
}

/* Share modal options grid */
.share-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 20px 0;
}
.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: 0.2s;
    color: var(--text-primary);
}
.share-option:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}
.share-option .ph {
    font-size: 2rem;
    margin-bottom: 8px;
}

/* Hide Phosphor Icon Outline Outline */
.search-input-wrapper {
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 0 12px;
    flex: 1;
}
.search-input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    padding: 12px;
    outline: none;
}

/* ========================================
   GLOBAL FOOTER
   ======================================== */
.app-footer {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.03), transparent);
    border-top: 1px solid var(--primary-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    padding-bottom: calc(var(--spacing-xl) + 80px);
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    max-width: 400px;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    background: var(--surface-elevated);
    border: 1px solid var(--primary-light);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-top: var(--spacing-md);
}