:root {
    --wcsf-border: #e2e8f0;
    --wcsf-bg: #ffffff;
    --wcsf-accent: #2563eb;
    --wcsf-text: #0f172a;
    --wcsf-muted: #64748b;
}

.wcsf {
    border: 1px solid var(--wcsf-border);
    border-radius: 14px;
    padding: 1.25rem;
    background: var(--wcsf-bg);
    box-shadow: 0 15px 30px -25px rgba(15, 23, 42, 0.45);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.wcsf__header,
.wcsf__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wcsf__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--wcsf-text);
}

.wcsf__reset {
    background: transparent;
    border: none;
    color: var(--wcsf-accent);
    cursor: pointer;
    text-decoration: underline;
    font-size: 0.9rem;
}

.wcsf__body {
    display: grid;
    gap: 1rem;
}

.wcsf__filter {
    border: 1px solid var(--wcsf-border);
    border-radius: 12px;
    padding: 1rem;
}

.wcsf__filter-title {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
    color: var(--wcsf-text);
}

.wcsf__filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.wcsf__option {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--wcsf-border);
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
}

.wcsf__price-range {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
}

.wcsf__price-range input {
    width: 100%;
}

.wcsf--loading {
    opacity: 0.6;
    position: relative;
}

.wcsf--loading:after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px dashed var(--wcsf-accent);
    animation: wcsfPulse 1s infinite ease-in-out;
}

@keyframes wcsfPulse {
    0% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 0.3;
    }
}

@media (min-width: 900px) {
    .wcsf__body {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}