.rental-calculator__panel {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.rental-calculator__fields {
    min-width: 0;
    border: 0;
}

.rental-calculator__fields legend {
    margin-bottom: var(--space-md);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
}

.rental-calculator__field {
    min-width: 0;
    margin-bottom: var(--space-sm);
}

.rental-calculator__field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.rental-calculator__field input {
    display: block;
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-text);
    color-scheme: light;
    font: inherit;
    font-size: 1rem;
}

.rental-calculator__field input:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 3px;
}

.rental-calculator__field input[aria-invalid="true"] {
    border-color: var(--color-text);
}

.rental-calculator__times {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
}

.rental-calculator__result {
    align-self: start;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-yellow);
    overflow-wrap: anywhere;
}

.rental-calculator__result h3 {
    font-size: 1rem;
}

.rental-calculator__amount {
    display: block;
    margin: var(--space-sm) 0;
    font-size: clamp(2rem, 5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
}

.rental-calculator__help,
.rental-calculator__rules {
    color: var(--color-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.rental-calculator__result .rental-calculator__help {
    margin-top: var(--space-sm);
}

.rental-calculator__help:empty {
    display: none;
}

.rental-calculator__panel noscript {
    grid-column: 1 / -1;
}

.rental-calculator__rules {
    max-width: 900px;
    margin: var(--space-md) auto 0;
}

.rental-calculator__rules p + p {
    margin-top: var(--space-xs);
}

.rental-calculator__rules a {
    text-decoration: underline;
    text-underline-offset: 4px;
}

@media (max-width: 768px) {
    .rental-calculator__panel {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-md);
        padding: var(--space-md);
    }
}

@media (max-width: 400px) {
    .rental-calculator__times {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
    }
}