/* Empty States Styles */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.empty-state-icon {
    font-size: 4rem;
    color: #d1d5db;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.empty-state-icon i {
    display: block;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #374151;
    margin-bottom: 0.75rem;
}

.empty-state-description {
    font-size: 1rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.empty-state-action {
    margin-top: 1.5rem;
}

/* Specific empty states */
.empty-state-quiz {
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    border-radius: 1rem;
    padding: 3rem 2rem;
}

.empty-state-users {
    border: 2px dashed #e5e7eb;
    border-radius: 1rem;
    padding: 3rem 2rem;
}

.empty-state-messages {
    padding: 3rem 2rem;
}

/* Animation for empty states */
.empty-state {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 640px) {
    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state-title {
        font-size: 1.25rem;
    }
}