.lpc-root {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.lpc-card {
    background: var(--lpc-card-bg, #ffffff);
    border-radius: var(--lpc-card-radius, 24px);
    padding: 2.5rem 2rem;
    box-shadow: 0 18px 45px rgba(0,0,0,0.06);
}

.lpc-title {
    font-size: 1.6rem;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    margin: 0 0 0.5rem;
}

.lpc-subtitle {
    margin: 0 0 1.5rem;
    color: #777;
    font-size: 0.95rem;
}

.lpc-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 2rem;
}

.lpc-root[data-layout="single"] .lpc-grid {
    grid-template-columns: 1fr;
}

@media (max-width: 768px) {
    .lpc-grid {
        grid-template-columns: 1fr;
    }
}

.lpc-field {
    margin-bottom: 1.1rem;
}

.lpc-label,
.lpc-field > label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    color: #555;
}

.lpc-input,
.lpc-select-wrap select {
    width: 100%;
    padding: 0.7rem 1rem;
    border-radius: var(--lpc-input-radius, 999px);
    border: 1px solid #ddd;
    font-size: 0.95rem;
    background-color: #fafafa;
    outline: none;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.lpc-input:focus,
.lpc-select-wrap select:focus {
    border-color: var(--lpc-primary, #000);
    background-color: #fff;
}

.lpc-select-wrap {
    position: relative;
}

.lpc-select-wrap::after {
    content: "▾";
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.7rem;
    color: #888;
}

.lpc-select-wrap select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: transparent;
}

.lpc-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.lpc-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid #ddd;
    font-size: 0.85rem;
    cursor: pointer;
    background: #fafafa;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.lpc-chip input[type="checkbox"] {
    accent-color: var(--lpc-primary, #000);
}

.lpc-chip:hover {
    border-color: var(--lpc-primary, #000);
    background: #f2f2f2;
}

.lpc-actions {
    margin-top: 1.5rem;
}

.lpc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2.6rem;
    border-radius: 999px;
    background-color: var(--lpc-primary, #000);
    color: #fff;
    border: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.lpc-btn:hover {
    background-color: #111;
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.lpc-col-summary {
    display: flex;
    align-items: stretch;
}

.lpc-summary-card {
    background: #f7f7f7;
    border-radius: 20px;
    padding: 1.8rem 1.5rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lpc-summary-title {
    margin: 0;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lpc-summary-helper {
    margin: 0 0 0.5rem;
    font-size: 0.8rem;
    color: #777;
}

.lpc-result {
    margin-top: 0.5rem;
}

.lpc-placeholder {
    margin: 0;
    font-size: 0.9rem;
    color: #777;
}

.lpc-loading {
    font-size: 0.9rem;
    color: #555;
}

.lpc-error {
    color: #b91c1c;
    font-size: 0.9rem;
}

.lpc-price-ex,
.lpc-price-inc {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 0.35rem 0;
    font-size: 0.95rem;
}

.lpc-price-ex span,
.lpc-price-inc span {
    color: #555;
}

.lpc-price-ex strong,
.lpc-price-inc strong {
    font-size: 1.1rem;
}