/* ============================================= */
/* CALCULATOR PLACEHOLDER - Beautiful Empty State */
/* ============================================= */
.sks-calc-placeholder {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px dashed #3b82f6;
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 2rem;
    animation: placeholder-pulse 3s ease-in-out infinite;
}

@keyframes placeholder-pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
    }
    50% {
        box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2);
    }
}

.sks-placeholder-content {
    max-width: 500px;
    margin: 0 auto;
}

.sks-placeholder-icon {
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem;
    animation: icon-float 3s ease-in-out infinite;
}

@keyframes icon-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.sks-placeholder-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 10px rgba(59, 130, 246, 0.2));
}

.sks-placeholder-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e40af;
    margin: 0 0 0.75rem 0;
}

.sks-placeholder-desc {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

.sks-placeholder-features {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.sks-placeholder-badge {
    background: white;
    color: #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
    transition: all 0.2s ease;
}

.sks-placeholder-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

/* Responsive Placeholder */
@media (max-width: 768px) {
    .sks-calc-placeholder {
        padding: 2rem 1.5rem;
    }
    
    .sks-placeholder-icon {
        width: 150px;
        height: 150px;
    }
    
    .sks-placeholder-title {
        font-size: 1.25rem;
    }
    
    .sks-placeholder-desc {
        font-size: 0.875rem;
    }
    
    .sks-placeholder-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}