/* ===== GAMIFICATION.CSS - Gamification UI Styles ===== */

/* ====== PROFILE CARD ====== */
.gamification-profile {
    background: var(--glass-bg);
    border: 1px solid var(--border-gold);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: var(--glass-blur);
    margin-bottom: var(--spacing-lg);
}

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

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

.level-badge {
    background: linear-gradient(135deg, var(--vn-gold), var(--vn-gold-dark));
    color: var(--bg-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 700;
    font-size: var(--font-size-sm);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.level-title {
    color: var(--text-gold);
    font-weight: 600;
    font-family: var(--font-display);
}

.profile-currencies {
    display: flex;
    gap: var(--spacing-md);
}

.currency {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.currency.gold {
    color: #ffd700;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.currency.silver {
    color: #c0c0c0;
    border: 1px solid rgba(192, 192, 192, 0.3);
}

/* XP Bar */
.xp-bar-container {
    margin-bottom: var(--spacing-md);
}

.xp-bar {
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow-inner);
}

.xp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--vn-gold-dark), var(--vn-gold), var(--vn-gold-light));
    background-size: 200% 100%;
    border-radius: 6px;
    transition: width 0.5s ease-out;
    animation: xpShimmer 2s infinite;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

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

.xp-text {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: 4px;
}

.profile-streak {
    text-align: center;
    color: var(--warning-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ====== CHALLENGES PANEL ====== */
.challenges-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.challenges-section h4 {
    color: var(--text-gold);
    font-family: var(--font-display);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.no-challenges {
    color: var(--text-muted);
    text-align: center;
    padding: var(--spacing-md);
    font-style: italic;
}

.challenge-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition-fast);
}

.challenge-item:hover {
    border-color: var(--border-gold);
    transform: translateX(4px);
}

.challenge-item.completed {
    opacity: 0.6;
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
}

.challenge-item.completed::after {
    content: '✓';
    position: absolute;
    right: 10px;
    color: var(--success-color);
    font-size: 1.5em;
}

.challenge-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.challenge-name {
    font-weight: 600;
    color: var(--text-primary);
}

.challenge-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.challenge-progress {
    min-width: 100px;
}

.challenge-progress .progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 4px;
}

.challenge-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--info-color), var(--accent-cyan));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.challenge-progress .progress-text {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-align: center;
}

.challenge-reward {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.challenge-reward span {
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-tertiary);
}

/* ====== ACHIEVEMENTS GRID ====== */
.achievements-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.achievement-category h4 {
    color: var(--text-gold);
    font-family: var(--font-display);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-gold);
}

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

.achievement-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    cursor: default;
}

.achievement-item.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.achievement-item.unlocked {
    border-color: var(--border-gold);
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, var(--bg-card) 100%);
}

.achievement-item.unlocked:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.achievement-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.achievement-name {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

/* ====== TOAST XP VARIANT ====== */
.toast.toast-xp {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(184, 134, 11, 0.2));
    border: 1px solid var(--border-gold);
}

.toast.toast-xp::before {
    content: '⭐';
    margin-right: 8px;
}

/* ====== STATS TAB CONTENT ====== */
.stats-tab-content {
    min-height: 300px;
}

.stats-tab-content.active {
    display: block;
}

/* ====== STATS MODAL ENHANCEMENTS ====== */
.stats-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.stats-tab {
    flex: 1;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.stats-tab.active {
    color: var(--text-gold);
}

.stats-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--vn-gold);
}

.stats-tab:hover:not(.active) {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* ====== LEVEL UP ANIMATION ====== */
@keyframes levelUpPulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.level-up-animation {
    animation: levelUpPulse 0.5s ease-in-out;
}

/* ====== UNLOCK NOTIFICATION ====== */
.unlock-notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: var(--glass-bg);
    border: 2px solid var(--vn-gold);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    z-index: 10001;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-gold);
    animation: unlockPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes unlockPopIn {
    0% { transform: translate(-50%, -50%) scale(0) rotate(-10deg); }
    100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
}

.unlock-notification .unlock-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(212, 175, 55, 0.5));
}

.unlock-notification .unlock-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    color: var(--text-gold);
    margin-bottom: var(--spacing-sm);
}

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

/* ====== WELCOME SCREEN PROFILE ====== */
.welcome-profile {
    margin-bottom: var(--spacing-xl);
}

.welcome-profile .gamification-profile {
    max-width: 400px;
    margin: 0 auto;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .profile-currencies {
        width: 100%;
        justify-content: center;
    }

    .challenge-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .challenge-progress {
        width: 100%;
    }

    .challenge-reward {
        flex-direction: row;
        justify-content: center;
    }

    .achievements-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .achievement-item {
        padding: var(--spacing-sm);
    }

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

    .achievement-name {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ====== GAMIFICATION BUTTON IN MENU ====== */
.btn-gamification {
    background: linear-gradient(135deg, var(--vn-gold-dark), var(--vn-gold));
    color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.btn-gamification::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.btn-gamification:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

/* ====== GAMIFICATION PANEL IN GAME ====== */
.gamification-mini {
    background: var(--glass-bg);
    border: 1px solid var(--border-gold);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.gamification-mini .mini-level {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.gamification-mini .mini-level .level-badge {
    padding: 4px 10px;
    font-size: var(--font-size-xs);
}

.gamification-mini .mini-xp {
    flex: 1;
}

.gamification-mini .mini-xp .xp-bar {
    height: 6px;
}

.gamification-mini .mini-currencies {
    display: flex;
    gap: var(--spacing-sm);
}

.gamification-mini .currency {
    padding: 4px 8px;
    font-size: var(--font-size-xs);
}

/* ====== DAILY BONUS MODAL ====== */
.daily-bonus-modal {
    text-align: center;
}

.daily-bonus-modal .streak-display {
    font-size: var(--font-size-4xl);
    color: var(--warning-color);
    margin: var(--spacing-lg) 0;
}

.daily-bonus-modal .streak-label {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.daily-bonus-modal .bonus-rewards {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.daily-bonus-modal .bonus-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.daily-bonus-modal .bonus-item .bonus-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.daily-bonus-modal .bonus-item .bonus-value {
    font-weight: 700;
    color: var(--text-gold);
}