.calc-page {
    overflow: hidden;
}

.calc-page__section {
    padding-top: 20px;
}

.shampoo-calc {
    --calc-primary: rgba(var(--base-color), 1);
    --calc-primary-soft: rgba(var(--base-color), 0.1);
    --calc-primary-strong: rgba(var(--base-color), 0.82);
    --calc-bg: #f7faf7;
    --calc-card: rgba(var(--base-color-white), 1);
    --calc-text: #111827;
    --calc-muted: #6b7280;
    --calc-border: rgba(var(--base-color), 0.14);
    --calc-success: #16a34a;
    --calc-danger: #ef4444;
    --calc-warning: #f59e0b;
    --calc-radius: 22px;
    margin: 10px auto 0;
    color: var(--calc-text);
}

.shampoo-calc *,
.shampoo-calc *::before,
.shampoo-calc *::after {
    box-sizing: border-box;
}

.shampoo-calc__header {
    text-align: center;
    margin-bottom: 28px;
}

.shampoo-calc__badge {
    display: inline-flex;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--calc-primary-soft);
    color: var(--calc-primary);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 14px;
}

.shampoo-calc h1 {
    margin: 0 0 12px;
    font-size: clamp(30px, 4vw, 52px);
    line-height: 1.05;
}

.shampoo-calc__subtitle {
    max-width: 720px;
    margin: 0 auto;
    color: var(--calc-muted);
    font-size: 18px;
    line-height: 1.55;
}

.shampoo-calc__editor {
    margin: 0 auto 26px;
    max-width: 920px;
    padding: 18px 22px;
    border: 1px solid var(--calc-border);
    border-radius: calc(var(--base-border-radius) * 3);
    background: rgba(var(--base-color-white), 0.8);
}

.shampoo-calc__editor:empty {
    display: none;
}

.shampoo-calc__grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 22px;
    align-items: start;
}

.shampoo-calc .calc-card,
.shampoo-calc .result-card {
    background: var(--calc-card);
    border: 1px solid var(--calc-border);
    border-radius: var(--calc-radius);
    box-shadow: 0 18px 55px rgba(31, 46, 61, 0.08);
}

.shampoo-calc .calc-card {
    padding: 24px;
    background: linear-gradient(180deg, rgba(var(--base-color-white), 1) 0%, var(--calc-bg) 100%);
}

.shampoo-calc .field-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.shampoo-calc .field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shampoo-calc .field--full {
    grid-column: 1 / -1;
}

.shampoo-calc label {
    font-size: 14px;
    font-weight: 700;
}

.shampoo-calc .hint {
    font-size: 12px;
    color: var(--calc-muted);
    line-height: 1.35;
}

.shampoo-calc input,
.shampoo-calc select {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--calc-border);
    border-radius: 14px;
    padding: 0 14px;
    font-size: 16px;
    outline: none;
    transition: 0.2s;
    background: rgba(var(--base-color-white), 1);
    color: var(--calc-text);
}

.shampoo-calc input:focus,
.shampoo-calc select:focus {
    border-color: var(--calc-primary);
    box-shadow: 0 0 0 4px rgba(var(--base-color), 0.12);
}

.shampoo-calc .range-row {
    display: grid;
    grid-template-columns: 1fr 92px;
    gap: 14px;
    align-items: center;
}

.shampoo-calc input[type="range"] {
    padding: 0;
    accent-color: var(--calc-primary);
    min-height: auto;
}

.shampoo-calc .switches {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 4px;
}

.shampoo-calc .switch {
    border: 1px solid var(--calc-border);
    border-radius: 16px;
    padding: 14px;
    cursor: pointer;
    transition: 0.2s;
    background: rgba(var(--base-color-white), 1);
}

.shampoo-calc .switch input {
    display: none;
}

.shampoo-calc .switch span {
    display: block;
    font-weight: 700;
    font-size: 14px;
}

.shampoo-calc .switch small {
    color: var(--calc-muted);
    font-size: 12px;
}

.shampoo-calc .switch.is-active {
    border-color: var(--calc-primary);
    background: var(--calc-primary-soft);
    box-shadow: inset 0 0 0 1px var(--calc-primary);
}

.shampoo-calc .result-card {
    position: sticky;
    top: 20px;
    overflow: hidden;
}

.shampoo-calc .result-card__top {
    padding: 24px;
    background: linear-gradient(135deg, var(--calc-primary), #8fcc84);
    color: rgba(var(--base-color-white), 1);
}

.shampoo-calc .result-card__top.is-warning {
    background: linear-gradient(135deg, var(--calc-warning), #fbbf24);
}

.shampoo-calc .result-card__top.is-danger {
    background: linear-gradient(135deg, var(--calc-danger), #fb7185);
}

.shampoo-calc .result-card__top p {
    margin: 0;
    opacity: 0.92;
}

.shampoo-calc .big-saving {
    margin-top: 12px;
    font-size: clamp(34px, 4vw, 54px);
    font-weight: 900;
    line-height: 1;
}

.shampoo-calc .result-card__body {
    padding: 24px;
}

.shampoo-calc .notice {
    display: none;
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 14px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    font-size: 14px;
    line-height: 1.45;
}

.shampoo-calc .notice.is-visible {
    display: block;
}

.shampoo-calc .result-list {
    display: grid;
    gap: 12px;
}

.shampoo-calc .result-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 0;
    border-bottom: 1px solid rgba(var(--base-color-black), 0.08);
}

.shampoo-calc .result-line span:first-child {
    color: var(--calc-muted);
}

.shampoo-calc .result-line strong {
    text-align: right;
}

.shampoo-calc .compare {
    margin-top: 22px;
    display: grid;
    gap: 12px;
}

.shampoo-calc .bar-item {
    display: grid;
    gap: 6px;
}

.shampoo-calc .bar-label {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: var(--calc-muted);
}

.shampoo-calc .bar {
    height: 13px;
    border-radius: 999px;
    background: rgba(var(--base-color), 0.12);
    overflow: hidden;
}

.shampoo-calc .bar-fill {
    height: 100%;
    border-radius: 999px;
    background: var(--calc-primary);
    width: 40%;
    transition: width 0.25s;
}

.shampoo-calc .bar-fill--old {
    background: var(--calc-danger);
}

.shampoo-calc .cta-box {
    margin-top: 24px;
    padding: 18px;
    border-radius: 18px;
    background: var(--calc-bg);
    border: 1px solid var(--calc-border);
}

.shampoo-calc .cta-box strong {
    display: block;
    font-size: 18px;
    margin-bottom: 8px;
}

.shampoo-calc .cta-box p {
    margin: 0 0 14px;
    color: var(--calc-muted);
    line-height: 1.45;
}

.shampoo-calc .shampoo-calc__button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 52px;
    padding: 12px 18px;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
}

.shampoo-calc .shampoo-calc__button:hover {
    background-color: var(--calc-primary-strong);
    border-color: transparent;
    color: rgba(var(--base-color-white), 1);
}

@media (max-width: 900px) {
    .shampoo-calc .shampoo-calc__grid {
        grid-template-columns: 1fr;
    }

    .shampoo-calc .result-card {
        position: static;
    }
}

@media (max-width: 640px) {
    .calc-page__section {
        padding-top: 10px;
    }

    .shampoo-calc {
        margin-top: 0;
    }

    .shampoo-calc .calc-card,
    .shampoo-calc .result-card__body,
    .shampoo-calc .result-card__top {
        padding: 18px;
    }

    .shampoo-calc .field-grid,
    .shampoo-calc .switches {
        grid-template-columns: 1fr;
    }

    .shampoo-calc .shampoo-calc__editor {
        padding: 16px;
    }

    .shampoo-calc .range-row {
        grid-template-columns: 1fr;
    }

    .shampoo-calc .result-line,
    .shampoo-calc .bar-label {
        align-items: flex-start;
        flex-direction: column;
    }
}