/**
 * Tesouros da Bíblia - Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 */

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
    /* Primary Colors */
    --gold-treasure: #F59E0B;
    --gold-light: #FCD34D;
    --gold-dark: #D97706;
    --brown-chest: #78350F;
    --brown-light: #92400E;
    --emerald: #10B981;
    --emerald-light: #34D399;
    --emerald-dark: #059669;
    
    /* Light Theme */
    --bg-color: #FFFBEB;
    --bg-secondary: #FEF3C7;
    --surface-color: #FFFFFF;
    --text-color: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --border-color: #E5E7EB;
    --shadow-color: rgba(120, 53, 15, 0.1);
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-fixed: 1000;
    --z-modal-backdrop: 1500;
    --z-modal: 2000;
    --z-toast: 2500;
    
    /* Safe Areas */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    
    /* Layout */
    --header-height: 60px;
    --bottom-nav-height: 65px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-color: #1A1A2E;
    --bg-secondary: #16213E;
    --surface-color: #0F3460;
    --text-color: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Font Size Settings */
[data-font-size="small"] {
    font-size: 14px;
}

[data-font-size="medium"] {
    font-size: 16px;
}

[data-font-size="large"] {
    font-size: 18px;
}
.black-bar {
position: fixed;
bottom: 0;
left: 0;
right: 0;
height: 55px;
background-color: #000000;
z-index: 1001;
}
/* ========================================
   RESET & BASE
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: clamp(14px, 2.5vw, 18px);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-ui);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: var(--header-height);
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 55px + 20px);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Screen Reader Only */
.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(--spacing-md);
    padding-top: var(--safe-top);
    box-shadow: 0 2px 8px var(--shadow-color);
    z-index: var(--z-fixed);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.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: 1.25rem;
    font-weight: 600;
    color: var(--gold-treasure);
    white-space: nowrap;
}

@media (max-width: 400px) {
    .header-logo h1 {
        font-size: 1rem;
    }
}

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

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

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--bg-secondary);
    color: var(--text-color);
}

.nav-link.active {
    background: var(--gold-treasure);
    color: white;
}

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

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

.btn-icon:hover {
    background: var(--bg-secondary);
    color: var(--gold-treasure);
}

.btn-icon:focus-visible {
    outline: 2px solid var(--gold-treasure);
    outline-offset: 2px;
}

/* ========================================
   BOTTOM NAVIGATION
   ======================================== */
.bottom-nav {
    position: fixed;
    bottom: 55px;
    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 var(--shadow-color);
    z-index: var(--z-fixed);
    padding-bottom: var(--safe-bottom);
}

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

.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);
    font-size: 11px;
    font-weight: 500;
    transition: all var(--transition-fast);
    min-width: 64px;
    min-height: 48px;
}

.nav-item i {
    font-size: 20px;
    transition: transform var(--transition-fast);
}

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

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

.nav-item:focus-visible {
    outline: 2px solid var(--gold-treasure);
    outline-offset: -2px;
    border-radius: var(--radius-sm);
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn var(--transition-normal);
}

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

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

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

.section-title h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--gold-treasure);
    margin-bottom: var(--spacing-xs);
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
}

.link-see-all {
    color: var(--gold-treasure);
    font-weight: 500;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.link-see-all:hover {
    color: var(--gold-dark);
}

/* ========================================
   DAILY TREASURE HERO
   ======================================== */
.daily-treasure-hero {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--brown-chest) 0%, var(--brown-light) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.treasure-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.3) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.daily-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--gold-treasure);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.treasure-card-main {
    position: relative;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

/* Background Carousel Styles */
.bg-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 10s linear;
    transform: scale(1.05);
}

.bg-slide.active {
    opacity: 1;
    transform: scale(1);
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 2;
}

.treasure-content, .skeleton-treasure {
    position: relative;
    z-index: 3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.treasure-card-main .verse-text {
    color: #FFFFFF !important;
}

.treasure-card-main .verse-reference {
    color: var(--gold-treasure);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

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

.verse-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    quotes: """ """ "'" "'";
}

.verse-text::before {
    content: open-quote;
    color: var(--gold-treasure);
}

.verse-text::after {
    content: close-quote;
    color: var(--gold-treasure);
}

.verse-reference {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gold-treasure);
    margin-bottom: var(--spacing-sm);
}

.treasure-category {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.treasure-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-action:focus-visible {
    outline: 2px solid white;
    outline-offset: 2px;
}

.btn-action.favorited i {
    color: #EF4444;
}

.btn-action.unlocked {
    background: var(--emerald);
}

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

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

.skeleton-treasure {
    padding: var(--spacing-lg);
}

.skeleton-line {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.skeleton-title {
    width: 80%;
    height: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.skeleton-text {
    width: 100%;
}

.skeleton-text.short {
    width: 60%;
    margin: 0 auto;
}

.skeleton-ref {
    width: 40%;
    margin: var(--spacing-md) auto 0;
}

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

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

.stat-card {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: transform var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-treasure);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ========================================
   CATEGORIES
   ======================================== */
.categories-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.categories-scroll::-webkit-scrollbar {
    display: none;
}

.category-card {
    flex: 0 0 auto;
    width: 140px;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow-color);
    scroll-snap-align: start;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.category-card:focus-visible {
    outline: 2px solid var(--gold-treasure);
    outline-offset: 2px;
}

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

.category-name {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.category-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

.category-card-large {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.category-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gold-treasure);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.category-card-large:hover::before {
    transform: scaleX(1);
}

.category-card-large:hover {
    transform: translateY(-4px);
}

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

.category-card-large .category-name {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.category-card-large .category-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.category-progress-mini {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

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

/* Category Detail */
.category-detail {
    animation: slideIn var(--transition-normal);
}

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

.btn-back {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gold-treasure);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.btn-back:hover {
    background: var(--bg-secondary);
}

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

.category-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.category-header p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.category-progress {
    max-width: 300px;
    margin: 0 auto;
}

.category-progress span {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

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

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

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

.treasure-card {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.treasure-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gold-treasure);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.treasure-card:hover::before {
    transform: scaleY(1);
}

.treasure-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.treasure-card.locked {
    opacity: 0.6;
}

.treasure-card.locked::after {
    content: '🔒';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 1rem;
}

.treasure-card .verse-text {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.treasure-card .verse-reference {
    font-size: 0.75rem;
}

.treasure-card-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.treasure-card-actions button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.treasure-card-actions button:hover {
    background: var(--bg-secondary);
    color: var(--gold-treasure);
}

.treasure-card-actions button.favorited {
    color: #EF4444;
}

/* ========================================
   DISCOVERY
   ======================================== */
.discovery-modes {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding: var(--spacing-xs) 0;
}

.mode-btn {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.mode-btn:hover {
    background: var(--bg-secondary);
}

.mode-btn.active {
    background: var(--gold-treasure);
    color: white;
}

.category-filter {
    margin-bottom: var(--spacing-lg);
}

.category-filter select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-color);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.category-filter select:focus {
    outline: none;
    border-color: var(--gold-treasure);
}

.discovery-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.discovery-card {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 3/4;
    perspective: 1000px;
    cursor: pointer;
    margin-bottom: var(--spacing-lg);
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.discovery-card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    overflow: hidden;
}

.card-front {
    background: linear-gradient(135deg, var(--brown-chest) 0%, var(--brown-light) 100%);
    color: white;
    text-align: center;
}

.mystery-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.card-front p {
    font-size: 1rem;
    opacity: 0.8;
}

.card-back {
    background: var(--surface-color);
    box-shadow: 0 10px 40px var(--shadow-color);
    transform: rotateY(180deg);
}

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

.discovery-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gold-treasure);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
    transition: all var(--transition-fast);
    min-height: 48px;
}

.btn-primary:hover {
    background: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

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

.btn-secondary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--surface-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-fast);
    min-height: 48px;
}

.btn-secondary:hover {
    border-color: var(--gold-treasure);
    color: var(--gold-treasure);
}

.discovery-quick-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.discovery-quick-actions .btn-action {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.discovery-quick-actions .btn-action:hover {
    border-color: var(--gold-treasure);
    color: var(--gold-treasure);
}

.discovery-progress {
    width: 100%;
    max-width: 400px;
}

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

/* ========================================
   COLLECTION
   ======================================== */
.collection-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-xs) 0;
}

.filter-btn {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background: var(--bg-secondary);
}

.filter-btn.active {
    background: var(--gold-treasure);
    color: white;
}

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

.collection-sort label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.collection-sort select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    cursor: pointer;
}

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

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

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

.empty-state h3 {
    font-family: var(--font-display);
    margin-bottom: var(--spacing-sm);
}

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

/* ========================================
   PROFILE
   ======================================== */
.profile-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

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

.profile-stat-card {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.profile-stat-card.main {
    grid-column: span 2;
}

@media (min-width: 768px) {
    .profile-stat-card.main {
        grid-column: span 1;
    }
}

.profile-stat-card i {
    font-size: 1.5rem;
    color: var(--gold-treasure);
    margin-bottom: var(--spacing-sm);
}

.profile-stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-treasure);
}

.profile-stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Completion Ring */
.stat-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto;
}

.stat-ring svg {
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 8;
}

.ring-fill {
    fill: none;
    stroke: var(--gold-treasure);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s ease;
}

.ring-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ring-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-treasure);
}

.ring-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Badges */
.badges-section,
.activity-section,
.settings-section {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.badges-section h3,
.activity-section h3,
.settings-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--gold-treasure);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--spacing-md);
}

.badge-item {
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.badge-item:hover {
    background: var(--bg-secondary);
}

.badge-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all var(--transition-fast);
}

.badge-item.unlocked .badge-icon {
    filter: grayscale(0%);
    opacity: 1;
}

.badge-name {
    font-size: 0.625rem;
    color: var(--text-secondary);
}

/* Activity */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.activity-item:hover {
    background: var(--bg-secondary);
}

.activity-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 1rem;
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 0.875rem;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Settings */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

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

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

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--gold-treasure);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-switch input:focus-visible + .toggle-slider {
    outline: 2px solid var(--gold-treasure);
    outline-offset: 2px;
}

.setting-item select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    cursor: pointer;
}

.btn-danger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    color: var(--error);
    border: 2px solid var(--error);
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: var(--spacing-md);
    transition: all var(--transition-fast);
}

.btn-danger:hover {
    background: var(--error);
    color: white;
}

/* ========================================
   SEARCH
   ======================================== */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-color);
    z-index: var(--z-modal);
    padding: var(--spacing-md);
    padding-top: calc(var(--safe-top) + var(--spacing-md));
    animation: fadeIn var(--transition-fast);
}

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

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

.search-header {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.search-header input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.search-header input:focus {
    outline: none;
    border-color: var(--gold-treasure);
}

.search-results {
    max-height: calc(100vh - 150px);
    overflow-y: auto;
}

.search-hint {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-xl);
}

.search-result-item {
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-result-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

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

.modal[hidden] {
    display: none;
}

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

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    animation: modalSlideIn var(--transition-normal);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    color: var(--gold-treasure);
}

.btn-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background: var(--bg-secondary);
    color: var(--text-color);
}

.modal-body {
    padding: var(--spacing-lg);
    max-height: calc(90vh - 120px);
    overflow-y: auto;
}

/* Explanation Modal */
.explanation-verse {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.explanation-verse blockquote {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

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

.explanation-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--gold-treasure);
    margin-bottom: var(--spacing-sm);
}

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

/* Share Modal */
.share-preview {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.share-preview blockquote {
    font-family: var(--font-display);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

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

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-btn[data-share="whatsapp"] {
    background: #25D366;
    color: white;
}

.share-btn[data-share="twitter"] {
    background: #1DA1F2;
    color: white;
}

.share-btn[data-share="facebook"] {
    background: #1877F2;
    color: white;
}

.share-btn[data-share="copy"] {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

/* Badge Modal */
.modal-celebration {
    text-align: center;
    overflow: visible;
}

.badge-celebration {
    padding: var(--spacing-xl);
    position: relative;
}

.confetti-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    animation: confetti-fall 3s ease-out forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100%) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(400px) rotate(720deg);
        opacity: 0;
    }
}

.badge-icon-large {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.badge-celebration h3 {
    font-family: var(--font-display);
    color: var(--gold-treasure);
    margin-bottom: var(--spacing-sm);
}

.badge-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Confirm Modal */
.confirm-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.confirm-actions button {
    flex: 1;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
}

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

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

.toast {
    background: var(--text-color);
    color: var(--bg-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastSlideIn var(--transition-normal);
    pointer-events: auto;
}

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

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

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

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

.toast.hiding {
    animation: toastSlideOut var(--transition-normal) forwards;
}

@keyframes toastSlideOut {
    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.faq-section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--gold-treasure);
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 500;
    color: var(--text-color);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question:focus-visible {
    outline: 2px solid var(--gold-treasure);
    outline-offset: -2px;
}

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

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

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    animation: faqExpand var(--transition-fast);
}

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

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

/* ========================================
   FOOTER
   ======================================== */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.app-footer p {
    margin-bottom: var(--spacing-xs);
}

.b20-link {
    color: var(--gold-treasure);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.b20-link:hover {
    text-decoration: underline;
    transform: scale(1.05);
}

/* ========================================
   UTILITIES
   ======================================== */
[hidden] {
    display: none !important;
}

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

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

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--gold-treasure);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--gold-treasure);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

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