/* Achievements & Gamification Styles */

/* XP and Level Display */
.gamification-header {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1) 0%, rgba(212, 175, 55, 0.1) 100%);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

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

.level-badge {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4ecdc4 0%, #d4af37 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.3);
    position: relative;
}

.level-badge::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4ecdc4, #d4af37);
    z-index: -1;
    filter: blur(10px);
    opacity: 0.5;
}

.level-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.level-label {
    font-size: 0.7rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-info {
    flex: 1;
    min-width: 250px;
}

.level-info h3 {
    color: #4ecdc4;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.xp-bar-container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    height: 20px;
    overflow: hidden;
    position: relative;
    margin-top: 0.5rem;
}

.xp-bar-fill {
    background: linear-gradient(90deg, #4ecdc4 0%, #d4af37 100%);
    height: 100%;
    transition: width 0.5s ease;
    position: relative;
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.5);
}

.xp-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.xp-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* Streak Display */
.streak-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 12px;
    padding: 1rem 1.5rem;
}

.streak-icon {
    font-size: 2rem;
    color: #ff6b6b;
    animation: flicker 2s ease-in-out infinite;
}

@keyframes flicker {
    0%, 100% { opacity: 1; text-shadow: 0 0 10px #ff6b6b; }
    50% { opacity: 0.8; text-shadow: 0 0 20px #ff6b6b; }
}

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

.streak-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b6b;
}

.streak-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Achievements Grid */
.achievements-section {
    margin-top: 3rem;
}

.achievements-section h2 {
    color: #4ecdc4;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.achievements-filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
    background: linear-gradient(45deg, #4ecdc4, #d4af37);
    border-color: #4ecdc4;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Achievement Badge Card */
.achievement-card {
    background: rgba(12, 20, 41, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--badge-color, #888);
    opacity: 0.5;
}

.achievement-card.unlocked {
    border-color: var(--badge-color, #4ecdc4);
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.2);
}

.achievement-card.unlocked::before {
    opacity: 1;
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

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

.achievement-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.achievement-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--badge-color, #888), rgba(255, 255, 255, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.achievement-card.locked .achievement-icon-wrapper {
    background: rgba(255, 255, 255, 0.1);
    filter: grayscale(100%);
}

.achievement-icon {
    font-size: 1.8rem;
    color: white;
}

.achievement-card.locked .achievement-icon {
    color: rgba(255, 255, 255, 0.4);
}

.achievement-title {
    flex: 1;
}

.achievement-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.25rem;
}

.achievement-tier {
    font-size: 0.8rem;
    color: var(--badge-color, #888);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.achievement-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.achievement-progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin-top: 1rem;
}

.achievement-progress-fill {
    background: var(--badge-color, #4ecdc4);
    height: 100%;
    transition: width 0.5s ease;
}

.achievement-progress-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.5rem;
    text-align: center;
}

.achievement-unlock-date {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Tier Colors */
.achievement-card[data-tier="Bronze"] {
    --badge-color: #CD7F32;
}

.achievement-card[data-tier="Silver"] {
    --badge-color: #C0C0C0;
}

.achievement-card[data-tier="Gold"] {
    --badge-color: #FFD700;
}

.achievement-card[data-tier="Special"] {
    --badge-color: #FF69B4;
}

/* Achievement Unlock Toast */
.achievement-toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: linear-gradient(135deg, rgba(12, 20, 41, 0.95) 0%, rgba(26, 37, 69, 0.95) 100%);
    border: 2px solid var(--badge-color, #4ecdc4);
    border-radius: 12px;
    padding: 1.5rem;
    min-width: 320px;
    max-width: 400px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    animation: slideInRight 0.5s ease, pulse 2s ease-in-out 0.5s;
    backdrop-filter: blur(10px);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.achievement-toast.hide {
    animation: slideOutRight 0.5s ease forwards;
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.toast-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--badge-color, #4ecdc4), rgba(255, 255, 255, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotate 1s ease;
}

@keyframes rotate {
    from { transform: rotate(-180deg) scale(0); }
    to { transform: rotate(0) scale(1); }
}

.toast-icon {
    font-size: 1.5rem;
    color: white;
}

.toast-title-wrapper h4 {
    color: #4ecdc4;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.toast-achievement-name {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.toast-tier {
    color: var(--badge-color, #4ecdc4);
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.toast-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.toast-reward {
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    padding: 0.5rem;
    text-align: center;
    color: #4ecdc4;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Confetti Animation */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    background: #4ecdc4;
    position: absolute;
    animation: confetti-fall 3s linear forwards;
    z-index: 10001;
}

@keyframes confetti-fall {
    to {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

.confetti:nth-child(2n) { background: #d4af37; }
.confetti:nth-child(3n) { background: #ff6b6b; }
.confetti:nth-child(4n) { background: #6b5fff; }
.confetti:nth-child(5n) { background: #00e5ff; }

/* Stats Summary Cards */
.stats-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.stat-card {
    background: rgba(12, 20, 41, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: #4ecdc4;
}

.stat-icon {
    font-size: 2rem;
    color: #4ecdc4;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .gamification-header {
        flex-direction: column;
        text-align: center;
    }
    
    .level-display {
        flex-direction: column;
        width: 100%;
    }
    
    .level-info {
        width: 100%;
        text-align: center;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-toast {
        right: 10px;
        left: 10px;
        min-width: auto;
    }
    
    .stats-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .level-badge {
        width: 60px;
        height: 60px;
    }
    
    .level-number {
        font-size: 1.5rem;
    }
    
    .stats-summary-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading Skeleton */
.achievement-skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.1) 25%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.1) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 8px;
}

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