/**
 * Versículo Secreto - Stylesheet Principal
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Nunito:wght@400;600;700;800;900&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    /* Premium Antigravity Colors */
    --primary-color: #8b5cf6; /* Violet */
    --secondary-color: #6366f1; /* Indigo */
    --accent-color: #f59e0b; /* Amber/Gold for Bible/Holy elements */
    
    --surface-color: rgba(255, 255, 255, 0.7); /* Glassmorphism base */
    --surface-solid: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --bg-color: #f8fafc;
    
    --success-color: #10B981;
    --error-color: #EF4444;
    --warning-color: #F59E0B;
    --border-color: rgba(226, 232, 240, 0.6);
    
    /* Computed colors */
    --primary-hover: #7c3aed;
    --primary-light: rgba(139, 92, 246, 0.1);
    
    /* Spacing */
    --border-radius: 24px; /* Mais arredondado estilo Duolingo */
    --border-radius-sm: 16px;
    --spacing-unit: 8px;
    --spacing-xs: calc(var(--spacing-unit) * 0.5);
    --spacing-sm: var(--spacing-unit);
    --spacing-md: calc(var(--spacing-unit) * 2);
    --spacing-lg: calc(var(--spacing-unit) * 3);
    --spacing-xl: calc(var(--spacing-unit) * 4);
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-fast: all 0.1s ease;
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Shadows - Soft Antigravity */
    --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 30px rgba(99, 102, 241, 0.08);
    --shadow-lg: 0 20px 40px rgba(99, 102, 241, 0.12);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.4);
    --shadow-float: 0 25px 50px -12px rgba(139, 92, 246, 0.25);
    
    /* Typography */
    --font-family: 'Nunito', sans-serif;
    --font-heading: 'Fredoka', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0f172a; /* Deep Slate */
        --surface-color: rgba(30, 41, 59, 0.6); /* Dark Glass */
        --surface-solid: #1e293b;
        --text-color: #f8fafc;
        --text-muted: #94a3b8;
        --accent-color: #fbbf24;
        --border-color: rgba(51, 65, 85, 0.5);
        --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.6);
        --shadow-float: 0 25px 50px -12px rgba(139, 92, 246, 0.4);
    }
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --surface-color: rgba(30, 41, 59, 0.6);
    --surface-solid: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #fbbf24;
    --border-color: rgba(51, 65, 85, 0.5);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-float: 0 25px 50px -12px rgba(139, 92, 246, 0.4);
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --surface-color: rgba(255, 255, 255, 0.7);
    --surface-solid: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --accent-color: #f59e0b;
    --border-color: rgba(226, 232, 240, 0.6);
    --shadow-md: 0 10px 30px rgba(99, 102, 241, 0.08);
    --shadow-lg: 0 20px 40px rgba(99, 102, 241, 0.12);
    --shadow-float: 0 25px 50px -12px rgba(139, 92, 246, 0.25);
}

/* Background Animation */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(120deg, rgba(139, 92, 246, 0.05), rgba(99, 102, 241, 0.05), rgba(245, 158, 11, 0.05));
    background-size: 200% 200%;
    animation: gradientBG 15s ease infinite;
    z-index: -1;
    pointer-events: none;
}

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

html {
    font-size: clamp(14px, 2.5vw, 18px);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: var(--line-height-base);
    padding-top: 60px;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ===== HEADER FIXO (Glassmorphism) ===== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 65px;
    background: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 4px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.15);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-bounce);
}

.header-logo:hover {
    transform: scale(1.05);
}

.header-logo i {
    font-size: 1.6rem;
    filter: drop-shadow(0 2px 4px rgba(139, 92, 246, 0.4));
}

.header-logo h1 {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.desktop-nav .nav-link {
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition-bounce);
    font-weight: 600;
    position: relative;
    border: 2px solid transparent;
    background: transparent;
}

.desktop-nav .nav-link:hover,
.desktop-nav .nav-link.active {
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
    border: 2px solid var(--primary-color);
    border-bottom: 4px solid var(--primary-color);
    transform: translateY(-2px);
}

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

.btn-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-bottom: 4px solid rgba(139, 92, 246, 0.3);
    background: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.btn-icon:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(139, 92, 246, 0.2);
}

.btn-icon:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== BOTTOM NAVIGATION (MOBILE Glassmorphism) ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--surface-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom, 0);
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.7rem;
    transition: var(--transition-fast);
    min-width: 64px;
    position: relative;
}

.nav-item i {
    font-size: 1.3rem;
    transition: transform 0.2s ease;
}

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

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

.nav-item-fab {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    margin-top: -30px;
    color: white !important;
    box-shadow: var(--shadow-float);
    border: 3px solid var(--surface-solid);
    transition: var(--transition-bounce);
}

.nav-item-fab:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.nav-item-fab i {
    font-size: 1.5rem;
}

.nav-item-fab span {
    display: none;
}

/* ===== MAIN CONTENT ===== */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    padding-bottom: calc(65px + var(--spacing-lg));
}

/* ===== HERO SECTION ===== */
.hero-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 15px 25px rgba(139, 92, 246, 0.3));
}

.hero-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.1rem);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Game Preview */
.hero-preview {
    margin-top: var(--spacing-xl);
}

.game-preview-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    max-width: 500px;
    margin: 0 auto;
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.1s, border-bottom-width 0.1s, margin-top 0.1s, border-color 0.2s;
}

.game-preview-card:hover {
    border-color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.game-preview-card:active {
    transform: translateY(4px);
    border-bottom-width: 4px;
    margin-top: 4px;
}

.preview-verse-scrambled {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.word-chip {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.1);
    transition: var(--transition-bounce);
    cursor: pointer;
    user-select: none;
    will-change: transform;
    border: 1px solid rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(4px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px; /* Mobile First: Área de toque */
}

.word-chip:hover {
    transform: translateY(-5px) scale(1.08);
    box-shadow: var(--shadow-md);
    background: var(--primary-color);
    color: white;
}

.preview-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    margin: var(--spacing-md) 0;
}

.preview-verse-correct {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--success-color);
    margin-bottom: var(--spacing-sm);
}

.preview-reference {
    color: var(--text-muted);
    font-style: italic;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s, border-bottom-width 0.1s, margin-top 0.1s;
    text-decoration: none;
    font-size: 1.1rem;
    font-family: inherit;
    white-space: nowrap;
    min-height: 48px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:active:not(:disabled) {
    transform: translateY(4px);
    border-bottom-width: 0px !important;
    margin-top: 6px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border-bottom: 6px solid #6d28d9; /* Deep purple bottom */
}

.btn-primary:hover:not(:disabled) {
    background: #7c3aed;
    border-bottom-color: #5b21b6;
}

.btn-secondary {
    background: var(--accent-color);
    color: white;
    border-bottom: 6px solid #b45309; /* Deep amber bottom */
}

.btn-secondary:hover:not(:disabled) {
    background: #fbbf24;
    border-bottom-color: #92400e;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
}

.btn-clear {
    background: transparent;
    border: 2px solid var(--text-muted);
    color: var(--text-color);
}

.btn-clear:hover:not(:disabled) {
    background: var(--text-muted);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== SECTIONS ===== */
.section-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-color);
}

/* Features Grid */
.features-section {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.feature-card {
    background: var(--surface-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 0.1s, border-bottom-width 0.1s, margin-top 0.1s, border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.feature-card:active {
    transform: translateY(4px);
    border-bottom-width: 4px;
    margin-top: 4px;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-icon i {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.4));
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon i {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

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

/* Stats Grid */
.stats-section {
    margin: var(--spacing-xl) 0;
}

.progress-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    padding: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-sm);
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.stat-icon i {
    background: linear-gradient(135deg, var(--accent-color), #f87171);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 6px rgba(245, 158, 11, 0.3));
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Categories Trilha (Duolingo Style) */
.categories-section {
    padding: var(--spacing-xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
}

/* Linha da trilha no meio */
.categories-grid::before {
    display: none;
}

.category-card {
    background: var(--surface-solid);
    padding: var(--spacing-sm);
    border-radius: 24px;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: transform 0.1s, border-bottom-width 0.1s, border-color 0.2s;
    border: 4px solid var(--border-color);
    border-bottom-width: 8px; /* Sombra inferior pesada */
}

.category-card:hover {
    border-color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.category-card:active {
    border-bottom-width: 4px;
    transform: translateY(4px);
}

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

.category-icon i {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 6px rgba(59, 130, 246, 0.4));
    transition: transform 0.3s ease;
}

.category-card:hover .category-icon i {
    transform: scale(1.1);
}

.category-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 0;
    color: var(--text-color);
    text-transform: uppercase;
}

.category-card p {
    display: none; /* Esconder texto longo para focar no visual bolha */
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--spacing-xl) 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
    font-family: inherit;
}

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

.faq-question:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: -3px;
}

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

.brand-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
    transition: transform 0.3s ease;
}

.header-logo:hover .brand-logo {
    transform: rotate(10deg) scale(1.1);
}

.header-logo h1 {transition: transform 0.3s ease;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-md);
    color: var(--text-muted);
    line-height: 1.8;
}

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

/* ===== PREMIUM FOOTER (ANTIGRAVITY) ===== */
.app-footer {
    background: var(--surface-color);
    padding: var(--spacing-xl) var(--spacing-md) 100px var(--spacing-md);
    border-top: 4px solid var(--border-color);
    margin-top: auto;
}

.footer-top {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
}

@media (min-width: 768px) {
    .footer-top {
        grid-template-columns: 1.5fr 1fr;
        gap: var(--spacing-xl);
    }
}

.footer-cta {
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(99, 102, 241, 0.15));
    border: 3px solid var(--primary-color);
    border-bottom: 6px solid rgba(139, 92, 246, 0.4);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.1);
}

@media (min-width: 768px) {
    .footer-cta {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        padding: var(--spacing-xl) 40px;
    }
    
    .footer-cta .btn {
        flex-shrink: 0;
    }
}

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

.cta-content p {
    color: var(--text-color);
    font-size: 1rem;
    opacity: 0.9;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-brand {
        align-items: flex-start;
        text-align: left;
    }
}

.footer-logo {
    width: 60px;
    height: auto;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.2));
}

.footer-brand h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-nav {
        align-items: flex-start;
    }
}

.footer-nav h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm) var(--spacing-lg);
    width: 100%;
}

.footer-links-grid a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links-grid a::before {
    content: "›";
    color: var(--primary-color);
    font-weight: bold;
}

.footer-links-grid a:hover {
    color: var(--primary-color);
    transform: translateX(3px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-credit, .copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.b20-link {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-site a {
    color: var(--text-muted);
    text-decoration: none;
}

/* ===== GAME PAGE ===== */
.game-page {
    max-width: 800px;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 3px solid var(--border-color);
    border-bottom: 6px solid rgba(148, 163, 184, 0.4);
}

.game-info {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    flex: 1;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
}

.info-item i {
    color: var(--primary-color);
}

.game-container {
    background: var(--surface-color);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
}

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

.verse-category {
    text-align: center;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scrambled-area {
    margin-bottom: var(--spacing-md);
}

.instruction-text {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.words-container {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
    min-height: 80px;
    padding: var(--spacing-xs);
}

.word-chip {
    background: var(--surface-solid);
    color: var(--text-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--font-heading);
    cursor: pointer;
    user-select: none;
    border: 2px solid var(--border-color);
    border-bottom: 4px solid rgba(148, 163, 184, 0.4);
    transition: transform 0.1s, border-bottom-width 0.1s, margin-top 0.1s;
    display: inline-block;
}

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

.word-chip:active {
    transform: translateY(2px);
    border-bottom-width: 2px;
    margin-top: 2px;
}

.word-chip.selected {
    background: var(--success-color);
    color: white;
    border-color: #059669;
    border-bottom-color: #047857;
}

.answer-area {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.btn-clear {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--error-color);
    color: white;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    z-index: 10;
    transition: transform 0.1s;
    padding: 0;
}

.btn-clear:hover {
    background: #dc2626; /* Darker red */
}

.btn-clear:active {
    transform: scale(0.9);
}

.answer-container {
    background: var(--surface-color);
    border: 3px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    min-height: 80px;
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
    box-shadow: inset 0 4px 8px rgba(0,0,0,0.1);
}

.answer-placeholder {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9rem;
}

.hints-section {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-hint {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--secondary-color);
    color: white;
    border: 2px solid transparent;
    border-bottom: 4px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.8rem;
    transition: transform 0.1s, border-bottom-width 0.1s, margin-top 0.1s;
    font-family: inherit;
    font-weight: 600;
    min-height: 36px;
    flex: 1 1 auto;
    text-align: center;
}

.btn-hint:hover:not(:disabled) {
    background: color-mix(in srgb, var(--secondary-color) 85%, black);
}

.btn-hint:active:not(:disabled) {
    transform: translateY(2px);
    border-bottom-width: 2px;
    margin-top: 2px;
}

.btn-hint:focus-visible {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

.verse-reference {
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--surface-color);
    color: var(--text-color);
    border-radius: var(--border-radius);
    border: 3px solid var(--primary-color);
    border-bottom: 8px solid rgba(16, 185, 129, 0.3); /* Soft green shadow */
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.5;
    font-family: var(--font-heading);
    position: relative;
    animation: modalFadeIn 0.5s ease;
}

.verse-reference i {
    color: var(--primary-color);
    font-size: 1.8rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.verse-reference #reference-text {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-color);
    font-size: 1.1rem;
    font-family: var(--font-heading);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
    backdrop-filter: blur(4px);
}

.modal[hidden] {
    display: none;
}

.modal-content {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 100%;
    text-align: center;
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    animation: modalFadeIn 0.3s ease;
}

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

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

.modal-content h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ===== GAME RESULTS & MODAL DETAILS ===== */
.result-stats,
.completed-stats {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    background: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    border: 2px solid var(--border-color);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.result-stat,
.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.result-stat .stat-label,
.stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.result-stat .stat-value,
.stat-item .stat-value {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--primary-color);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.modal-icon,
.completed-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-sm);
    animation: bounceIcon 2s infinite ease-in-out;
}

#result-title {
    color: var(--primary-color);
    font-size: 2.2rem;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-heading);
}

#result-message {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Daily Completed Screen */
.daily-completed {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    margin-top: var(--spacing-md);
    animation: modalFadeIn 0.5s ease;
}

.daily-completed h3 {
    color: var(--success-color);
    font-size: 2.2rem;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.next-challenge {
    background: var(--warning-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    display: inline-block;
    font-weight: 700;
    margin: var(--spacing-sm) 0 var(--spacing-md) 0;
}

@keyframes bounceIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}



/* Input fields */
.input-field {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-fast);
}

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

.input-hint {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

/* ===== RESPONSIVE ===== */
@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }
    
    .desktop-nav {
        display: flex;
    }
    
    .bottom-nav {
        display: none !important;
    }
    
    main {
        padding-bottom: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }

    .game-info {
        gap: var(--spacing-lg);
        justify-content: flex-start;
    }

    .info-item {
        font-size: 1rem;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* ===== ACCESSIBILITY ===== */
.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;
}

:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== GAME MODE ===== */
.game-mode .app-header,
.game-mode .desktop-nav,
.game-mode .bottom-nav,
.game-mode .app-footer {
    display: none !important;
}

.game-mode {
    padding-top: var(--spacing-xs) !important;
    padding-bottom: 90px !important; /* Espaço garantido para o futuro Banner AdMob */
}

.game-mode main {
    padding-bottom: 0 !important; /* Override the default huge main padding */
    padding-top: 0 !important;
}

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

/* ===== VISUAL FEEDBACK ===== */
@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-8px); }
    80% { transform: translateX(8px); }
}

.shake-error {
    animation: shakeError 0.4s cubic-bezier(.36,.07,.19,.97) both;
    border-color: var(--error-color) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
}

/* ===== DAILY PAGE (ANTIGRAVITY STYLE) ===== */
.daily-page {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs); /* Extremamente compacto no mobile */
    animation: fadeIn 0.5s ease-out;
}

.daily-header {
    background: var(--surface-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 3px solid var(--border-color);
    border-bottom: 6px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0 !important; /* O 'gap' cuida do espaçamento */
}

@media (min-width: 768px) {
    .daily-page {
        gap: var(--spacing-lg); /* Respira mais no desktop */
    }
    .game-mode {
        padding-top: var(--spacing-lg) !important;
        padding-bottom: var(--spacing-lg) !important;
    }
}

.streak-display {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(239, 68, 68, 0.1));
    border: 3px solid var(--accent-color);
    border-bottom: 8px solid rgba(180, 83, 9, 0.4);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.2);
    transform-style: preserve-3d;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.streak-display:hover {
    transform: translateY(-5px) rotateX(10deg);
    box-shadow: 0 15px 35px rgba(245, 158, 11, 0.3);
}

.streak-icon {
    font-size: 3.5rem;
    filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.6));
    animation: bounceIcon 2s infinite ease-in-out;
}

.streak-info {
    display: flex;
    flex-direction: column;
}

.streak-number {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-heading);
    color: var(--accent-color);
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.streak-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Calendário */
.daily-history {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(12px);
    margin-top: var(--spacing-xl);
}

.daily-history h3 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.history-calendar {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: 4px 4px 16px 4px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.history-calendar::-webkit-scrollbar {
    height: 6px;
}

.history-calendar::-webkit-scrollbar-track {
    background: rgba(148, 163, 184, 0.2);
    border-radius: 10px;
}

.history-calendar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.calendar-day {
    flex: 0 0 auto;
    width: 60px;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--surface-solid);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    border-bottom: 4px solid rgba(148, 163, 184, 0.4);
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, border-bottom-width 0.2s;
    cursor: default;
    position: relative;
    overflow: hidden;
    scroll-snap-align: center;
}

.calendar-day:hover {
    transform: translateY(-2px);
    border-bottom-width: 6px;
}

.calendar-day.completed {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    border-bottom-color: rgba(4, 120, 87, 0.6);
    color: var(--success-color);
}

.calendar-day.completed::after {
    content: '✓';
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 0.8rem;
    opacity: 0.8;
}

.calendar-day.missed {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.3);
    border-bottom-color: rgba(185, 28, 28, 0.2);
    color: var(--text-muted);
    opacity: 0.7;
}

.calendar-day.today {
    border-color: var(--primary-color);
    border-bottom-color: var(--primary-hover);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
    animation: pulseGlow 2s infinite;
}

.calendar-day-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.daily-game-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-md);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease;
}

.daily-game-container:hover {
    transform: translateY(-2px);
}

/* Daily Dropdown (Mobile Optimization) */
.daily-dropdown {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 3px solid var(--border-color);
    border-bottom: 6px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(12px);
    overflow: hidden;
    transition: all 0.3s ease;
}

.daily-dropdown[open] {
    border-color: var(--primary-color);
    padding-bottom: var(--spacing-md);
}

.dropdown-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-color);
    list-style: none; /* Hide default arrow */
    user-select: none;
    background: rgba(139, 92, 246, 0.05);
}

.dropdown-summary::-webkit-details-marker {
    display: none;
}

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

.summary-content i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.toggle-icon {
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.daily-dropdown[open] .toggle-icon {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.dropdown-content {
    padding: 0 var(--spacing-lg);
    animation: slideDown 0.3s ease-out forwards;
    transform-origin: top;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

@keyframes slideDown {
    0% { opacity: 0; transform: scaleY(0.9); }
    100% { opacity: 1; transform: scaleY(1); }
}

@media (min-width: 768px) {
    /* No desktop, manter o conteúdo visível ou estiloso */
    .daily-dropdown {
        border-bottom-width: 8px;
    }
}

/* ===== ABOUT PAGE (ANTIGRAVITY STYLE) ===== */
.about-page {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: fadeIn 0.5s ease-out;
}

.about-page section {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, border-bottom-width 0.3s ease;
}

.about-page section:hover {
    transform: translateY(-2px);
    border-bottom-width: 6px;
}

.about-hero {
    text-align: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.1)) !important;
    border-color: var(--primary-color) !important;
    border-bottom-color: rgba(139, 92, 246, 0.4) !important;
}

.about-hero .about-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 10px 15px rgba(139, 92, 246, 0.3));
    animation: bounceIcon 2s infinite ease-in-out;
}

.about-hero h1 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.about-tagline {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.9;
    font-weight: 600;
}

.about-page h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.8rem;
    text-align: center;
}

.about-page p {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.features-grid, .steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature-item, .step {
    background: var(--surface-solid);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--border-color);
    border-bottom: 4px solid rgba(148, 163, 184, 0.3);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover, .step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

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

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.4);
}

.tech-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.tech-list li {
    background: var(--surface-solid);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 30px;
    border: 2px solid var(--border-color);
    border-bottom: 4px solid rgba(148, 163, 184, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text-color);
    transition: transform 0.2s;
}

.tech-list li:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.tech-list li i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.team-card {
    text-align: center;
    margin-top: var(--spacing-md);
}

.team-logo i {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 10px rgba(245, 158, 11, 0.3));
}

.contact-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--surface-solid);
    border: 3px solid var(--primary-color);
    border-bottom: 6px solid var(--primary-color);
    border-radius: 20px;
    color: var(--primary-color);
    font-weight: 800;
    text-decoration: none;
    transition: all 0.2s;
}

.contact-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    border-bottom-width: 4px;
    margin-top: 2px;
}

.about-cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(16, 185, 129, 0.1)) !important;
    border-color: var(--accent-color) !important;
    border-bottom-color: rgba(245, 158, 11, 0.4) !important;
}

.about-cta .btn {
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .about-page {
        gap: var(--spacing-md);
    }
    
    .about-page section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .about-hero h1 {
        font-size: 1.8rem;
    }
    
    .about-page h2 {
        font-size: 1.5rem;
    }
}

/* ===== LEGAL PAGES (ANTIGRAVITY STYLE) ===== */
.legal-page {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: fadeIn 0.5s ease-out;
}

.legal-content {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 3px solid var(--border-color);
    border-bottom: 8px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
}

.legal-content h1 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.legal-content .last-updated {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.legal-content section {
    background: var(--surface-solid);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--border-color);
    border-bottom: 4px solid rgba(148, 163, 184, 0.3);
    margin-bottom: var(--spacing-lg);
    transition: transform 0.2s ease;
}

.legal-content section:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.legal-content h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.legal-content h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
}

.legal-content p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    color: var(--text-color);
}

.legal-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
    color: var(--text-color);
}

.legal-content ul li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.legal-content ul li::marker {
    color: var(--primary-color);
    font-weight: bold;
}

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

@media (max-width: 768px) {
    .legal-content {
        padding: var(--spacing-md);
    }
    
    .legal-content h1 {
        font-size: 1.8rem;
    }
    
    .legal-content section {
        padding: var(--spacing-md);
    }
    
    .legal-actions {
        flex-direction: column;
    }
    
    .legal-actions .btn {
        width: 100%;
    }
}

/* ===== RANKING PAGE (ANTIGRAVITY) ===== */
.ranking-page {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.ranking-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.ranking-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 10px rgba(139, 92, 246, 0.4));
}

.ranking-header h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-heading);
}

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

.ranking-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(30, 41, 59, 0);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 6px;
    border-radius: 50px;
    border: 2px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.filter-btn {
    background: transparent;
    border: none;
    padding: 10px 20px;
    border-radius: 40px;
    color: var(--text-muted);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.filter-btn:hover {
    color: var(--text-color);
    background: rgba(139, 92, 246, 0.15);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.5);
    transform: scale(1.05);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.user-position {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.1));
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.15);
    backdrop-filter: blur(10px);
}

.position-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.position-rank {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    background: var(--surface-color);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    min-width: 60px;
    text-align: center;
}

.position-info {
    flex: 1;
}

.position-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 4px;
}

.position-stats {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.position-stats i {
    color: #f59e0b;
}

.ranking-podium {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    padding-top: var(--spacing-lg);
}

.podium-place {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--surface-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    box-shadow: 0 -4px 15px rgba(0,0,0,0.05);
    width: 30%;
    position: relative;
    border: 1px solid var(--border-color);
    border-bottom: none;
    transition: var(--transition-fast);
}

.podium-place:hover {
    transform: translateY(-5px);
}

.podium-medal {
    position: absolute;
    top: -20px;
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.podium-place.first .podium-medal {
    font-size: 2rem;
    top: -25px;
}

.podium-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.podium-place.first .podium-avatar {
    width: 70px;
    height: 70px;
    font-size: 2rem;
}

.podium-place.first {
    height: 180px;
    background: linear-gradient(to top, var(--surface-color), rgba(139, 92, 246, 0.1));
    border-color: var(--primary-color);
    z-index: 2;
}

.podium-place.second {
    height: 140px;
}

.podium-place.third {
    height: 120px;
}

.podium-name {
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 4px;
    text-align: center;
    word-break: break-all;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.podium-points {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.ranking-list {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.list-header {
    display: grid;
    grid-template-columns: 60px 1fr 100px;
    padding: var(--spacing-md);
    background: rgba(0,0,0,0.03);
    font-weight: bold;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.list-item {
    display: grid;
    grid-template-columns: 60px 1fr 100px;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    transition: var(--transition-fast);
}

.list-item:hover {
    background: rgba(139, 92, 246, 0.05);
}

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

.item-rank {
    font-weight: bold;
    color: var(--text-muted);
}

.item-name {
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.item-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.item-points {
    color: var(--primary-color);
    font-weight: bold;
    text-align: right;
}

.ranking-empty {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px dashed var(--border-color);
}

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

.ranking-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

@media (max-width: 480px) {
    .ranking-podium {
        gap: var(--spacing-sm);
    }
    
    .podium-place {
        padding: var(--spacing-sm);
    }
    
    .podium-avatar {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .podium-place.first .podium-avatar {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
    
    .list-header, .list-item {
        grid-template-columns: 50px 1fr 80px;
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .item-avatar {
        display: none;
    }
}

/* ===== EXCITING RANKING THEME ===== */
body.ranking-theme {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(99, 102, 241, 0.08), transparent 25%);
    background-attachment: fixed;
}

body.ranking-theme .ranking-page {
    position: relative;
    z-index: 1;
}

body.ranking-theme .ranking-page::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.05) 0%, transparent 100%);
    z-index: -1;
    pointer-events: none;
}

/* ===== CATEGORY PAGE (ANTIGRAVITY) ===== */
.category-page {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.category-header {
    text-align: center;
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: var(--spacing-xl);
    border-radius: 24px;
    border: 3px solid rgba(139, 92, 246, 0.4);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.category-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at top, rgba(139, 92, 246, 0.2), transparent 50%);
    z-index: -1;
}

.category-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 15px rgba(139, 92, 246, 0.6));
}

.category-description {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.verse-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.verse-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-bottom: 6px solid rgba(139, 92, 246, 0.4);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-md);
}

.verse-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.verse-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: var(--spacing-sm);
}

.verse-ref {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.verse-difficulty {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.verse-difficulty.easy { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.verse-difficulty.medium { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.verse-difficulty.hard { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.verse-preview {
    font-style: italic;
    color: var(--text-color);
    flex-grow: 1;
}

.category-cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.1));
    padding: var(--spacing-xl);
    border-radius: 24px;
    border: 2px dashed rgba(139, 92, 246, 0.5);
    margin-top: var(--spacing-xl);
}