.ach-container { margin: 1.5rem auto; }
.ach-header { text-align: center; margin-bottom: 2rem; }
.ach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.ach-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
    display: flex;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.ach-card.unlocked {
    border-color: #ffd700;
    background: linear-gradient(135deg, #fff, #fffff5);
    box-shadow: 0 4px 16px rgba(255,215,0,0.15);
}
.ach-card:not(.unlocked) { opacity: 0.7; filter: grayscale(0.8); }
.ach-icon {
    width: 50px;
    height: 50px;
    background: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.ach-card.unlocked .ach-icon { background: #fff9c4; }
.ach-info { flex: 1; }
.ach-title { font-weight: bold; margin-bottom: 0.3rem; font-size: 1.1rem; }
.ach-desc { font-size: 0.85rem; color: #888; line-height: 1.4; }
.ach-card.unlocked .ach-desc { color: #555; }
.not-logged {
    text-align: center;
    padding: 4rem;
    background: #fff;
    border-radius: 12px;
    margin-top: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}