/**
 * Aprenda Bíblia 2.0 - Estilos
 */

/* ========== CSS VARIABLES ========== */
:root {
    /* Colors */
    --primary: #8B5CF6;
    --primary-light: #A78BFA;
    --primary-dark: #7C3AED;
    --primary-glow: rgba(139, 92, 246, 0.4);

    --secondary: #06B6D4;
    --secondary-light: #22D3EE;
    --secondary-dark: #0891B2;

    --accent: #F59E0B;
    --accent-light: #FBBF24;

    --success: #10B981;
    --success-light: #34D399;

    --danger: #EF4444;
    --danger-light: #F87171;

    --warning: #F59E0B;

    /* Backgrounds */
    --bg-dark: #0f0a1f;
    --bg-darker: #0a0614;
    --bg-card: rgba(139, 92, 246, 0.08);
    --bg-card-hover: rgba(139, 92, 246, 0.15);
    --bg-glass: rgba(255, 255, 255, 0.05);

    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;

    /* Borders */
    --border-color: rgba(139, 92, 246, 0.2);
    --border-light: rgba(255, 255, 255, 0.1);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);

    /* Spacing */
    --header-height: 60px;
    --sidebar-width: 280px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Space Grotesk', 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at top, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

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

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

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

/* ========== APP LOADER ========== */
.app-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.app-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-icon {
    font-size: 4rem;
    animation: bounce 1s ease infinite;
}

.loader-text {
    margin-top: 1rem;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.loader-bar {
    margin-top: 1.5rem;
    width: 200px;
    height: 4px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    animation: loading 1.5s ease infinite;
}

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

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

/* ========== HEADER ========== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(15, 10, 31, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-btn {
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.menu-btn:hover {
    background: var(--bg-card);
}

.menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.app-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.streak-badge, .xp-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
}

.streak-badge {
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.xp-badge {
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.streak-icon, .level-icon {
    font-size: 1rem;
}

/* ========== SIDEBAR ========== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-darker);
    border-right: 1px solid var(--border-light);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 200;
    display: flex;
    flex-direction: column;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 150;
}

.sidebar-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.user-level {
    font-size: 0.85rem;
    color: var(--primary-light);
}

.close-sidebar {
    font-size: 1.5rem;
    color: var(--text-secondary);
    padding: 0.25rem;
}

.xp-progress-bar {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.xp-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.progress-track {
    height: 6px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    width: 0%;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    margin-bottom: 0.25rem;
}

.nav-item:hover {
    background: var(--bg-card);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--border-color);
}

.nav-icon {
    font-size: 1.25rem;
}

.nav-text {
    font-weight: 500;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
}

.settings-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.settings-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

/* ========== MAIN CONTENT ========== */
.main-content {
    margin-top: var(--header-height);
    padding: 1.5rem;
    min-height: calc(100vh - var(--header-height));
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

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

/* ========== HOME SECTION ========== */
.welcome-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.welcome-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.quick-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

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

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

.section-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.mode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.mode-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.mode-icon {
    font-size: 2rem;
}

.mode-name {
    font-weight: 600;
    font-size: 0.95rem;
}

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

.daily-verse-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.verse-header {
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.verse-text {
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.verse-reference {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: normal;
}

/* ========== MODES SECTION ========== */
.section-header {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modes-full-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mode-card-full {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-fast);
    text-align: left;
}

.mode-card-full:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateX(4px);
}

.mode-icon-large {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-md);
}

.mode-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.mode-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========== DEVOCIONAL SECTION ========== */
.devocional-container {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    min-height: 300px;
}

.devocional-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-card-hover);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.devocional-content {
    animation: fadeIn 0.5s ease;
}

.devocional-verse {
    background: rgba(139, 92, 246, 0.1);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.devocional-verse blockquote {
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.devocional-verse cite {
    font-size: 0.9rem;
    color: var(--primary-light);
    font-style: normal;
}

.devocional-section {
    margin-bottom: 1.5rem;
}

.devocional-section h4 {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.devocional-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.devocional-themes {
    margin-top: 2rem;
}

.devocional-themes h4 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.theme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.theme-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.theme-tag:hover, .theme-tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ========== JOURNEY SECTION (BIBLE BOOKS) ========== */
.testament-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background: var(--bg-card);
    padding: 0.5rem;
    border-radius: var(--radius-lg);
}

.testament-tab {
    flex: 1;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
}

.testament-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.book-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    transition: var(--transition-fast);
    cursor: pointer;
}

.book-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.book-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.book-name {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

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

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

.book-percentage {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ========== ACHIEVEMENTS SECTION ========== */
.achievements-summary {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
}

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

.big-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition-fast);
}

.achievement-card.locked {
    opacity: 0.5;
    filter: grayscale(0.8);
}

.achievement-card.unlocked {
    border-color: var(--accent);
    background: rgba(245, 158, 11, 0.1);
}

.achievement-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.achievement-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

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

.achievement-xp {
    font-size: 0.8rem;
    color: var(--accent);
    margin-top: 0.5rem;
}

/* ========== LEADERBOARD SECTION ========== */
.leaderboard-container {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

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

.leaderboard-item:hover {
    background: var(--bg-card-hover);
}

.leaderboard-item.top-1 {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.1), transparent);
}

.leaderboard-item.top-2 {
    background: linear-gradient(90deg, rgba(192, 192, 192, 0.1), transparent);
}

.leaderboard-item.top-3 {
    background: linear-gradient(90deg, rgba(205, 127, 50, 0.1), transparent);
}

.leaderboard-rank {
    width: 40px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-muted);
}

.leaderboard-rank.gold { color: #FFD700; }
.leaderboard-rank.silver { color: #C0C0C0; }
.leaderboard-rank.bronze { color: #CD7F32; }

.leaderboard-user {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.leaderboard-name {
    font-weight: 500;
}

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

.leaderboard-xp {
    font-weight: 600;
    color: var(--primary-light);
}

/* ========== CHAT SECTION ========== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-height) - 8rem);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
}

.chat-message.user {
    flex-direction: row-reverse;
    align-self: flex-end;
}

.chat-message.assistant {
    align-self: flex-start;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--bg-darker);
    flex-shrink: 0;
}

.chat-message.user .message-avatar {
    background: var(--primary);
}

.message-content {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    line-height: 1.5;
}

.chat-message.assistant .message-content {
    background: var(--bg-darker);
}

.chat-message.user .message-content {
    background: var(--primary);
    color: white;
}

.message-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message-text p {
    margin: 0 0 12px 0;
}

.message-text p:last-child {
    margin-bottom: 0;
}

.chat-copy-btn {
    display: block;
    margin-top: 12px;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.chat-copy-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.chat-copy-btn.copied {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

.chat-input-form {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    border-top: 1px solid var(--border-light);
    background: var(--bg-darker);
}

.chat-input-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-fast);
}

.chat-input-form input:focus {
    border-color: var(--primary);
}

.send-btn {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.send-btn:hover {
    background: var(--primary-dark);
}

/* ========== GAME SECTION ========== */
.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.back-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

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

.game-mode {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-light);
}

.game-progress {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.game-timer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.game-timer.warning {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    animation: pulse 0.5s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.game-content {
    min-height: 400px;
}

.question-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.question-text {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

.choices-grid {
    display: grid;
    gap: 0.75rem;
}

.choice-btn {
    display: block;
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    text-align: left;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.choice-btn:hover:not(.selected):not(.correct):not(.wrong) {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.choice-btn.selected {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.2);
}

.choice-btn.correct {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.2);
}

.choice-btn.wrong {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.2);
}

.explanation-box {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--radius-md);
    text-align: left;
}

.explanation-box h4 {
    font-size: 0.9rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.explanation-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.game-footer {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* ========== FLASHCARD ========== */
.flashcard-container {
    perspective: 1000px;
    height: 300px;
}

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

.flashcard.flipped {
    transform: rotateY(180deg);
}

.flashcard-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.flashcard-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(6, 182, 212, 0.1));
}

.flashcard-hint {
    position: absolute;
    bottom: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========== MODALS ========== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 300;
}

.modal.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-darker);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    font-size: 1.25rem;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--text-muted);
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
    line-height: 1;
}

.modal-close:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-light);
}

.modal-footer button {
    cursor: pointer;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    cursor: pointer;
}

.form-select:focus {
    border-color: var(--primary);
}

.form-select option,
.form-select optgroup {
    background: #1a0f3a;
    color: #FFFFFF;
}

.form-select option:checked {
    background: var(--primary);
    color: #FFFFFF;
}

.difficulty-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.difficulty-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

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

.difficulty-btn.active {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.2);
}

.difficulty-btn span:first-child {
    font-size: 1.5rem;
}

.count-selector {
    display: flex;
    gap: 0.75rem;
}

.count-btn {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-fast);
}

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

.count-btn.active {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.2);
}

/* ========== BUTTONS ========== */
.btn-primary {
    flex: 1;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-md);
    font-weight: 600;
    color: white;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-secondary {
    flex: 1;
    padding: 0.875rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

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

/* ========== RESULT MODAL ========== */
.result-modal {
    text-align: center;
}

.result-header {
    padding: 2rem 1.5rem 1rem;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 1s ease;
}

.result-header h3 {
    font-size: 1.5rem;
}

.result-body {
    padding: 0 1.5rem 1.5rem;
}

.result-score {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.score-value {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.score-total {
    color: var(--text-muted);
    font-size: 2rem;
}

.result-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.result-stat {
    display: flex;
    flex-direction: column;
}

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

.result-stat .stat-value {
    font-size: 1.25rem;
    font-weight: 600;
}

.xp-value {
    color: var(--success);
}

.result-achievements, .result-level-up {
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.level-up-animation {
    font-size: 3rem;
    animation: pulse 0.5s ease infinite;
}

/* ========== TOASTS ========== */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    padding: 1rem 1.5rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: toastSlideIn 0.3s ease;
}

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

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

.toast.error {
    border-color: var(--danger);
}

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

/* ========== CONFETTI ========== */
#confettiCanvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 500;
}

/* ========== READING PLANS ========== */
.reading-plans-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.reading-plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.reading-plan-card:hover {
    border-color: var(--primary);
}

.plan-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.plan-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.plan-duration {
    font-size: 0.85rem;
    color: var(--accent);
    margin-top: 0.5rem;
}

.plan-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: white;
    transition: var(--transition-fast);
}

.plan-btn:hover {
    background: var(--primary-dark);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .mode-grid {
        grid-template-columns: 1fr;
    }

    .difficulty-options {
        grid-template-columns: 1fr;
    }

    .result-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .achievements-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 480px) {
    .app-title {
        font-size: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .welcome-card {
        padding: 1.5rem;
    }

    .welcome-card h2 {
        font-size: 1.25rem;
    }

    .question-text {
        font-size: 1.1rem;
    }

    .modal-content {
        margin: 0.5rem;
    }
}

/* ========== SKELETON LOADING ========== */
.skeleton {
    background: linear-gradient(90deg,
        var(--bg-card) 0%,
        var(--bg-card-hover) 50%,
        var(--bg-card) 100%);
    background-size: 200% 100%;
    animation: skeleton 1.5s ease infinite;
    border-radius: var(--radius-sm);
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-box {
    height: 100px;
}

/* ========== DARK MODE TOGGLE (opcional) ========== */
.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.theme-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.theme-toggle.light::after {
    transform: translateX(30px);
}

/* ========== AD FOOTER ========== */
.ad-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 10, 31, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-light);
    padding: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 90;
}

.ad-footer .adsbygoogle {
    margin: 0 auto;
}

/* Ajuste do main-content para não ficar atrás do footer */
.main-content {
    padding-bottom: 120px;
}

/* Ajuste do toast-container para ficar acima do ad-footer */
.toast-container {
    bottom: 130px;
}

/* ========== MENSAGENS MOTIVACIONAIS - Pastor Claudio Duarte ========== */
.mensagens-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    min-height: 500px;
}

@media (max-width: 768px) {
    .mensagens-container {
        grid-template-columns: 1fr;
    }
}

.mensagens-sidebar {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.mensagens-sidebar h4 {
    margin: 0 0 1rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.search-filter {
    margin-bottom: 1rem;
}

.themes-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 350px;
    overflow-y: auto;
    padding-right: 5px;
}

.theme-tag-btn {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    text-align: left;
    transition: var(--transition-fast);
}

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

.theme-tag-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
}

.mensagens-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
}

.mensagens-log {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-height: 600px;
    overflow-y: auto;
}

.mensagem-card {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.08), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border-left: 4px solid var(--primary);
    animation: slideUp 0.3s ease-out;
}

.mensagem-card p {
    margin: 0 0 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    font-size: 0.95rem;
}

.mensagem-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.action-btn {
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.action-btn.copied {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

.mensagem-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    gap: 1rem;
}

.mensagem-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(139, 92, 246, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.mensagem-loading p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* ========== PRINT STYLES ========== */
@media print {
    .app-header,
    .sidebar,
    .modal,
    .toast-container,
    .ad-footer,
    #confettiCanvas {
        display: none !important;
    }

    .main-content {
        margin-top: 0;
        padding-bottom: 0;
    }
}

/* ========== RETENTION FEATURES CSS ========== */

/* --- FEATURE 1: Notificação Push Diária --- */
.notification-toggle-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(6, 182, 212, 0.08));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.notification-toggle-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-toggle-icon {
    font-size: 1.5rem;
}

.notification-toggle-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.notification-toggle-text p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
}

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

.notification-time-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.notification-time-input {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.2rem 0.5rem;
    font-size: 0.82rem;
}

/* --- FEATURE 2: Streak Animations --- */
@keyframes streakFire {
    0%, 100% { transform: scale(1) rotate(-3deg); }
    50% { transform: scale(1.2) rotate(3deg); }
}

@keyframes streakPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
}

.streak-badge.on-fire {
    animation: streakPulse 2s ease infinite;
    border-color: var(--accent);
}

.streak-badge.on-fire .streak-icon {
    display: inline-block;
    animation: streakFire 0.8s ease infinite;
}

/* Streak Celebration Modal */
.streak-celebration-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.streak-celebration-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(139,92,246,0.15));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    max-width: 320px;
    width: 90%;
    position: relative;
    animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounceIn {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.streak-celebration-icon {
    font-size: 4rem;
    margin-bottom: 0.75rem;
    display: block;
    animation: bounce 1s ease infinite;
}

.streak-celebration-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.streak-celebration-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.streak-celebration-milestone {
    background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(139,92,246,0.1));
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--accent-light);
}

/* Confetes CSS */
.css-confetti {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1099;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    top: -10px;
    border-radius: 2px;
    animation: confettiFall linear forwards;
}

@keyframes confettiFall {
    to {
        transform: translateY(110vh) rotate(720deg);
        opacity: 0;
    }
}

/* --- FEATURE 3: Desafio Diário --- */
.daily-challenge-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(239, 68, 68, 0.1));
    border: 2px solid rgba(245, 158, 11, 0.4);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-fast);
}

.daily-challenge-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.daily-challenge-card::before {
    content: '⚡';
    position: absolute;
    right: -10px;
    top: -10px;
    font-size: 5rem;
    opacity: 0.07;
}

.daily-challenge-card.completed {
    border-color: rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.05));
    cursor: default;
}

.daily-challenge-card.completed:hover {
    transform: none;
}

.daily-challenge-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.daily-challenge-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.daily-challenge-badge {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.daily-challenge-badge.done {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.daily-challenge-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.daily-challenge-xp {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* --- FEATURE 4: Progresso de Livros Aprimorado --- */
.books-explored-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.books-explored-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.books-explored-text strong {
    color: var(--primary-light);
    font-size: 1.1rem;
}

.book-mastered-badge {
    font-size: 0.7rem;
    color: var(--success);
    font-weight: 700;
    background: rgba(16,185,129,0.12);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    margin-top: 0.2rem;
    display: inline-block;
}

.book-card .book-progress {
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    margin-top: 0.4rem;
    overflow: hidden;
}

.book-card .book-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.6s ease;
}

.book-card .book-progress-fill.mastered {
    background: linear-gradient(90deg, var(--success), var(--success-light));
}

/* --- FEATURE 5: Leaderboard Campeão --- */
.podium-container {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 1rem;
}

.podium-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    max-width: 110px;
}

.podium-avatar {
    font-size: 2.5rem;
    position: relative;
}

.podium-crown {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    animation: crownBounce 2s ease infinite;
}

@keyframes crownBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-4px); }
}

.podium-name {
    font-size: 0.78rem;
    font-weight: 600;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.podium-xp {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.podium-base {
    width: 100%;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.podium-1 .podium-base { height: 80px; background: linear-gradient(180deg, rgba(245,158,11,0.3), rgba(245,158,11,0.1)); border: 1px solid rgba(245,158,11,0.4); color: var(--accent); }
.podium-2 .podium-base { height: 60px; background: linear-gradient(180deg, rgba(161,161,170,0.2), rgba(161,161,170,0.05)); border: 1px solid rgba(161,161,170,0.3); color: #A1A1AA; }
.podium-3 .podium-base { height: 45px; background: linear-gradient(180deg, rgba(180,100,60,0.2), rgba(180,100,60,0.05)); border: 1px solid rgba(180,100,60,0.3); color: #CD7F32; }

.leaderboard-champion-card {
    background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(139,92,246,0.15));
    border: 2px solid rgba(245,158,11,0.5);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    position: relative;
    overflow: hidden;
}

.leaderboard-champion-card::after {
    content: '👑';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    opacity: 0.2;
}

.champion-label {
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

/* --- FEATURE 6: Batalha com Amigos --- */
.challenge-banner {
    background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(245,158,11,0.1));
    border: 2px solid rgba(239,68,68,0.4);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.challenge-banner h3 {
    font-size: 1.1rem;
    color: var(--danger-light);
    margin-bottom: 0.5rem;
}

.challenge-banner p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.challenge-score-compare {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.challenge-score-box {
    text-align: center;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.challenge-score-box .score-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}

.challenge-score-box .score-who {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.share-challenge-btn {
    background: linear-gradient(135deg, var(--danger), #C2410C);
    color: white;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.share-challenge-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* --- FEATURE 7: Conquista Recente --- */
.recent-achievement-card {
    background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(139,92,246,0.08));
    border: 1px solid rgba(245,158,11,0.25);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.recent-achievement-icon {
    font-size: 2.5rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245,158,11,0.12);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

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

.recent-achievement-label {
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

.recent-achievement-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-achievement-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.achievement-progress-bar {
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    margin-top: 0.5rem;
    overflow: hidden;
}

.achievement-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: linear-gradient(90deg, var(--accent), var(--primary-light));
    transition: width 0.6s ease;
}

/* --- FEATURE 8: Bem-vindo de Volta --- */
.welcome-back-banner {
    background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(139,92,246,0.1));
    border: 1px solid rgba(6,182,212,0.3);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    animation: slideDown 0.4s ease;
}

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

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

.welcome-back-title {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: var(--secondary-light);
}

.welcome-back-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.welcome-back-btn {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.welcome-back-btn:hover {
    filter: brightness(1.1);
}

.welcome-back-dismiss {
    color: var(--text-muted);
    font-size: 1.2rem;
    padding: 0.25rem;
    flex-shrink: 0;
}

/* --- FEATURE 9: Verso Personalizado --- */
.verse-personalized-label {
    font-size: 0.72rem;
    color: var(--primary-light);
    background: rgba(139,92,246,0.15);
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

/* --- FEATURE 10: Meta Semanal --- */
.weekly-goal-card {
    background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(6,182,212,0.08));
    border: 1px solid rgba(16,185,129,0.25);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.weekly-goal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.weekly-goal-title {
    font-size: 0.95rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.weekly-goal-count {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--success-light);
}

.weekly-goal-bar-track {
    height: 8px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.weekly-goal-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.7s ease;
}

.weekly-goal-bar-fill.starting { background: linear-gradient(90deg, var(--text-muted), var(--text-secondary)); }
.weekly-goal-bar-fill.halfway { background: linear-gradient(90deg, var(--accent), var(--primary-light)); }
.weekly-goal-bar-fill.done { background: linear-gradient(90deg, var(--success), var(--success-light)); }

.weekly-goal-message {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.weekly-goal-message.done {
    color: var(--success-light);
    font-weight: 600;
}

@keyframes goalCelebrate {
    0% { transform: scale(1); }
    30% { transform: scale(1.04); }
    60% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

.weekly-goal-card.celebrate {
    animation: goalCelebrate 0.6s ease;
    border-color: rgba(16,185,129,0.6);
}