:root {
    --wpcmp-primary: #6366f1;
    --wpcmp-primary-dark: #4f46e5;
    --wpcmp-bg: #ffffff;
    --wpcmp-text: #1e293b;
    --wpcmp-text-muted: #64748b;
    --wpcmp-border: #e2e8f0;
    --wpcmp-accent: #f8fafc;
    --wpcmp-radius: 12px;
    --wpcmp-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --wpcmp-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.wpcmp-hidden {
    display: none !important;
}

.wpcmp-calculator {
    margin: 24px 0;
    padding: 20px;
    background: var(--wpcmp-bg);
    border: 1px solid var(--wpcmp-border);
    border-radius: var(--wpcmp-radius);
    box-shadow: var(--wpcmp-shadow-sm);
    font-family: inherit;
    max-width: 100%;
}

.wpcmp-heading {
    margin: 0 0 16px 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--wpcmp-text);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
}

.wpcmp-heading::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236366f1' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M9 7h6m0 10v-3l-3 3m3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z' /%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
}

.wpcmp-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.wpcmp-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--wpcmp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.wpcmp-field input[type="number"],
.wpcmp-field input[type="text"] {
    width: 100%;
    padding: 8px 12px;
    border: 1.5px solid var(--wpcmp-border);
    border-radius: var(--wpcmp-radius);
    font-size: 0.95rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: #fff;
    color: var(--wpcmp-text);
    box-shadow: inset 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.wpcmp-field input:focus {
    outline: none;
    border-color: var(--wpcmp-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.wpcmp-result {
    padding: 12px 16px;
    background: var(--wpcmp-accent);
    border-radius: var(--wpcmp-radius);
    border: 1px solid var(--wpcmp-border);
    transition: all 0.3s ease;
}

.wpcmp-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--wpcmp-text);
    padding: 4px 0;
}

.wpcmp-result-row:last-child {
    padding-top: 12px;
    margin-top: 8px;
    border-top: 1px dashed var(--wpcmp-border);
    font-weight: 700;
    color: var(--wpcmp-text);
}

.wpcmp-total-val {
    font-family: 'JetBrains Mono', 'Monaco', 'Consolas', monospace;
    font-size: 1rem;
    color: var(--wpcmp-primary);
}

.wpcmp-total-price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--wpcmp-primary-dark);
    letter-spacing: -0.01em;
}

.wpcmp-result-unit {
    color: var(--wpcmp-text-muted);
    font-weight: 500;
    margin-left: 4px;
    font-size: 0.85em;
}

.wpcmp-box-info {
    font-size: 0.85rem;
    color: var(--wpcmp-text-muted);
    font-style: italic;
    background: #eff6ff;
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 3px solid #3b82f6;
    margin: 8px 0;
}

/* Animations */
@keyframes wpcmp-pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.01);
        background-color: #f1f5f9;
    }

    100% {
        transform: scale(1);
    }
}

.wpcmp-result.changed {
    animation: wpcmp-pulse 0.3s ease;
    border-color: var(--wpcmp-primary);
}

/* Edit dimensions in cart */
.wpcmp-edit-dimensions {
    margin-top: 8px;
    background: #f1f5f9;
    padding: 6px 12px;
    border-radius: 6px;
    display: inline-block;
}

.wpcmp-edit-link {
    color: var(--wpcmp-text);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.wpcmp-edit-link:hover {
    color: var(--wpcmp-primary);
}

/* Hide default quantity */
.wpcmp-quantity-mode form.cart .quantity,
.wpcmp-quantity-mode .product-quantity,
.wpcmp-hidden-qty {
    display: none !important;
}

/* Layout Variations */
.wpcmp-layout-stacked .wpcmp-fields {
    grid-template-columns: 1fr;
}

.wpcmp-calculator.wpcmp-layout-inline .wpcmp-fields {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
}

.wpcmp-layout-inline .wpcmp-field {
    flex: 1;
    min-width: 140px;
}

@media (max-width: 640px) {
    .wpcmp-calculator {
        padding: 20px;
    }

    .wpcmp-fields {
        grid-template-columns: 1fr;
    }
}