.achievements-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.achievements-header {
    text-align: center;
    margin-bottom: 3rem;
}

.achievements-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fff, #ccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.progress-overview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.5rem;
    color: #ccc;
}

.progress-stat .number {
    font-weight: 700;
    color: #fff;
    font-size: 2rem;
}

.progress-stat .label {
    display: block;
    font-size: 0.9rem;
    color: #999;
    margin-top: 0.25rem;
}

.progress-divider {
    font-size: 2rem;
    color: #666;
}

.achievement-sections {
    margin-bottom: 4rem;
}

.achievement-section {
    margin-bottom: 3rem;
}

.achievement-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #333;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.achievement-card {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card.unlocked {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d5a27 100%);
    border-color: #4caf50;
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.2);
}

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

.achievement-card:hover {
    transform: translateY(-2px);
    border-color: #555;
}

.achievement-card.unlocked:hover {
    border-color: #66bb6a;
    box-shadow: 0 6px 25px rgba(76, 175, 80, 0.3);
}

.achievement-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    position: relative;
}

.achievement-card.unlocked .achievement-icon {
    background: rgba(76, 175, 80, 0.2);
}

.achievement-content {
    flex: 1;
}

.achievement-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #fff;
}

.achievement-content p {
    color: #ccc;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: #333;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4caf50, #66bb6a);
    border-radius: 3px;
    transition: width 0.8s ease;
}

.progress-text {
    font-size: 0.85rem;
    color: #999;
    font-weight: 500;
}

.achievement-unlocked {
    color: #4caf50;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.achievement-unlocked::before {
    content: '✓';
    font-weight: bold;
}

.achievement-tips {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 2rem;
}

.achievement-tips h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
    text-align: center;
}

.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.tip {
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 1rem;
    color: #ccc;
    line-height: 1.5;
}

.tip strong {
    color: #fff;
    display: block;
    margin-bottom: 0.5rem;
}

.achievement-card.unlocked::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #4caf50, #66bb6a, #4caf50);
    border-radius: 12px;
    z-index: -1;
    opacity: 0;
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.3; }
}

.achievement-section:nth-child(1) .achievement-card.unlocked {
    background: linear-gradient(135deg, #1a1a1a 0%, #1e3a8a 100%);
    border-color: #3b82f6;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
}

.achievement-section:nth-child(2) .achievement-card.unlocked {
    background: linear-gradient(135deg, #1a1a1a 0%, #7c2d12 100%);
    border-color: #f97316;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.2);
}

.achievement-section:nth-child(3) .achievement-card.unlocked {
    background: linear-gradient(135deg, #1a1a1a 0%, #7c2d12 100%);
    border-color: #dc2626;
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.2);
}

.achievement-section:nth-child(4) .achievement-card.unlocked {
    background: linear-gradient(135deg, #1a1a1a 0%, #581c87 100%);
    border-color: #a855f7;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.2);
}

@media (max-width: 768px) {
    .achievements-container {
        padding: 1rem;
    }
    
    .achievements-header h1 {
        font-size: 2rem;
    }
    
    .progress-overview {
        font-size: 1.2rem;
    }
    
    .progress-stat .number {
        font-size: 1.5rem;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .achievement-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .achievement-icon {
        font-size: 2rem;
        width: 50px;
        height: 50px;
    }
    
    .tips-container {
        grid-template-columns: 1fr;
    }
    
    .achievement-tips {
        padding: 1rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.achievements-container > * {
    animation: fadeInUp 0.6s ease forwards;
}

.achievement-card {
    animation: fadeInUp 0.6s ease forwards;
}

.achievement-card:nth-child(1) { animation-delay: 0.1s; }
.achievement-card:nth-child(2) { animation-delay: 0.2s; }
.achievement-card:nth-child(3) { animation-delay: 0.3s; }
.achievement-card:nth-child(4) { animation-delay: 0.4s; }