.rs-calculator {
    --rs-primary: #2457d6;
    --rs-primary-hover: #1944b1;
    --rs-text: #192334;
    --rs-muted: #526174;
    --rs-border: #cbd5e1;
    --rs-background: #ffffff;
    --rs-soft: #f5f7fb;
    --rs-error: #a51d25;

    box-sizing: border-box;
    width: 100%;
    max-width: 820px;
    margin: 1.5rem 0;
    padding: clamp(16px, 3vw, 28px);
    color: var(--rs-text);
    background: var(--rs-background);
    border: 1px solid var(--rs-border);
    border-radius: 14px;
    font-family: inherit;
    line-height: 1.6;
}

.rs-calculator *,
.rs-calculator *::before,
.rs-calculator *::after {
    box-sizing: border-box;
}

.rs-calculator .rs-title {
    margin: 0 0 12px;
    color: var(--rs-text);
    font-size: clamp(1.35rem, 3vw, 1.8rem);
    line-height: 1.3;
}

.rs-calculator .rs-description,
.rs-calculator .rs-note {
    color: var(--rs-muted);
    font-size: 0.94rem;
}

.rs-calculator .rs-description {
    margin: 0 0 20px;
}

.rs-calculator .rs-note {
    margin: 12px 0 0;
}

.rs-calculator .rs-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.rs-calculator .rs-field {
    min-width: 0;
}

.rs-calculator .rs-wide {
    grid-column: 1 / -1;
}

.rs-calculator .rs-field > label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.rs-calculator input:not([type="checkbox"]),
.rs-calculator select,
.rs-calculator textarea {
    display: block;
    width: 100%;
    min-height: 46px;
    margin: 0;
    padding: 10px 12px;
    color: var(--rs-text);
    background: #fff;
    border: 1px solid var(--rs-border);
    border-radius: 7px;
    font: inherit;
    line-height: 1.4;
}

.rs-calculator textarea {
    min-height: 110px;
    resize: vertical;
}

.rs-calculator input:focus,
.rs-calculator select:focus,
.rs-calculator textarea:focus {
    border-color: var(--rs-primary);
    outline: 3px solid rgba(36, 87, 214, 0.18);
    outline-offset: 1px;
}

.rs-calculator .rs-help {
    display: block;
    margin-top: 5px;
    color: var(--rs-muted);
    font-size: 0.85rem;
}

.rs-calculator .rs-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 400;
}

.rs-calculator .rs-checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 4px;
    flex: 0 0 auto;
}

.rs-calculator .rs-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.rs-calculator button {
    appearance: none;
    cursor: pointer;
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 7px;
    font: inherit;
    font-weight: 600;
    line-height: 1.3;
    text-transform: none;
    letter-spacing: normal;
}

.rs-calculator .rs-submit {
    color: #fff;
    background: var(--rs-primary);
}

.rs-calculator .rs-submit:hover {
    background: var(--rs-primary-hover);
}

.rs-calculator .rs-secondary,
.rs-calculator .rs-copy {
    color: var(--rs-text);
    background: #fff;
    border-color: var(--rs-border);
}

.rs-calculator .rs-secondary:hover,
.rs-calculator .rs-copy:hover {
    background: var(--rs-soft);
}

.rs-calculator button:focus-visible {
    outline: 3px solid var(--rs-primary);
    outline-offset: 3px;
}

.rs-calculator .rs-result {
    margin-top: 24px;
    padding: 18px;
    background: var(--rs-soft);
    border: 1px solid var(--rs-border);
    border-radius: 9px;
    overflow-wrap: anywhere;
}

.rs-calculator .rs-result[hidden] {
    display: none;
}

.rs-calculator .rs-result.rs-error {
    color: var(--rs-error);
    background: #fff4f4;
    border-color: #e6b5b8;
}

.rs-calculator .rs-answer {
    margin: 0 0 12px;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.5;
}

.rs-calculator .rs-result h3 {
    margin: 18px 0 8px;
    font-size: 1.05rem;
}

.rs-calculator .rs-result p {
    margin: 8px 0;
}

.rs-calculator .rs-result ol,
.rs-calculator .rs-result ul {
    margin: 10px 0;
    padding-left: 24px;
}

.rs-calculator .rs-result li {
    margin: 8px 0;
}

.rs-calculator .rs-math {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.rs-calculator .rs-output-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--rs-border);
}

.rs-calculator .rs-output-row:last-child {
    border-bottom: 0;
}

.rs-calculator .rs-output-content {
    flex: 1;
    min-width: 0;
}

.rs-calculator .rs-output-label {
    display: block;
    margin-bottom: 4px;
    color: var(--rs-muted);
    font-size: 0.88rem;
}

.rs-calculator .rs-output-value {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.rs-calculator .rs-copy {
    flex: 0 0 auto;
    min-height: 38px;
    padding: 7px 10px;
    font-size: 0.85rem;
}

.rs-calculator .rs-status {
    min-height: 1.5em;
    margin: 8px 0 0;
    color: var(--rs-muted);
    font-size: 0.85rem;
}

@media (max-width: 560px) {
    .rs-calculator .rs-grid {
        grid-template-columns: 1fr;
    }

    .rs-calculator .rs-output-row {
        flex-direction: column;
        gap: 8px;
    }

    .rs-calculator .rs-actions > button {
        flex: 1 1 auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .rs-calculator * {
        scroll-behavior: auto;
    }
}