.shc,
.shc * {
    box-sizing: border-box;
}

.shc {
    --shc-bg: #ffffff;
    --shc-soft: #f6f3ef;
    --shc-soft-2: #fbfaf8;
    --shc-border: #e5ded6;
    --shc-text: #211b17;
    --shc-muted: #776d64;
    --shc-strong: #6d4d34;
    --shc-accent: #9b6a45;
    --shc-accent-soft: #ead8c9;
    --shc-warning-bg: #fff6de;
    --shc-warning-border: #f0c56c;
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    color: var(--shc-text);
    font-family: inherit;
}

.shc__head {
    padding: 28px;
    margin-bottom: 18px;
    border: 1px solid var(--shc-border);
    border-radius: 24px;
    background: linear-gradient(135deg, var(--shc-soft), var(--shc-bg));
}

.shc__eyebrow {
    margin: 0 0 8px;
    color: var(--shc-accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.shc__title {
    margin: 0 0 10px;
    font-size: clamp(26px, 4vw, 42px);
    line-height: 1.12;
}

.shc__lead {
    max-width: 820px;
    margin: 0;
    color: var(--shc-muted);
    font-size: 17px;
    line-height: 1.55;
}

.shc__form,
.shc__result {
    display: grid;
    gap: 18px;
}

.shc__panel,
.shc__summary-card,
.shc__facts-wrap,
.shc__details,
.shc__safety {
    border: 1px solid var(--shc-border);
    border-radius: 22px;
    background: var(--shc-bg);
    box-shadow: 0 10px 30px rgba(72, 52, 35, .06);
}

.shc__panel,
.shc__facts-wrap,
.shc__details,
.shc__safety {
    padding: 20px;
}

.shc__panel--main {
    background: var(--shc-soft-2);
}

.shc__panel-head,
.shc__facts-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 16px;
}

.shc__panel-title,
.shc__facts-head h3,
.shc__details h3,
.shc__safety h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
}

.shc__panel-head p,
.shc__facts-head p {
    max-width: 560px;
    margin: 0;
    color: var(--shc-muted);
    font-size: 14px;
    line-height: 1.45;
}

.shc__oils {
    display: grid;
    gap: 12px;
}

.shc__oil-row {
    display: grid;
    grid-template-columns: minmax(220px, 1.35fr) minmax(110px, .7fr) minmax(120px, .7fr) 42px;
    gap: 12px;
    align-items: end;
    padding: 14px;
    border: 1px solid var(--shc-border);
    border-radius: 18px;
    background: #fff;
}

.shc__grid {
    display: grid;
    gap: 14px;
}

.shc__grid--settings {
    grid-template-columns: repeat(4, minmax(140px, 1fr));
}

.shc__field {
    display: grid;
    gap: 7px;
}

.shc__field.is-hidden,
.shc__custom-sap.is-hidden {
    display: none;
}

.shc__field span {
    color: var(--shc-muted);
    font-size: 13px;
    line-height: 1.25;
}

.shc__field input,
.shc__field select {
    width: 100%;
    min-height: 44px;
    padding: 9px 12px;
    border: 1px solid var(--shc-border);
    border-radius: 14px;
    background: #fff;
    color: var(--shc-text);
    font: inherit;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.shc__field select {
    appearance: auto;
}

.shc__field input:focus,
.shc__field select:focus {
    border-color: var(--shc-accent);
    box-shadow: 0 0 0 4px rgba(155, 106, 69, .13);
}

.shc__oil-actions,
.shc__quick {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
}

.shc__quick span {
    color: var(--shc-muted);
    font-size: 13px;
    font-weight: 700;
}

.shc__button,
.shc__quick button,
.shc__remove {
    min-height: 38px;
    border: 1px solid var(--shc-border);
    background: #fff;
    color: var(--shc-strong);
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: border-color .15s ease, background-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.shc__button,
.shc__quick button {
    padding: 8px 13px;
    border-radius: 999px;
}

.shc__button {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, #7a5033, #b9835b);
}

.shc__button--light {
    color: var(--shc-strong);
    border-color: var(--shc-border);
    background: #fff;
}

.shc__quick button:hover,
.shc__quick button:focus-visible,
.shc__button--light:hover,
.shc__button--light:focus-visible {
    border-color: var(--shc-accent);
    background: var(--shc-accent-soft);
}

.shc__button:hover,
.shc__button:focus-visible {
    box-shadow: 0 8px 18px rgba(109, 77, 52, .12);
}

.shc__button:active,
.shc__quick button:active,
.shc__remove:active {
    transform: translateY(1px);
}

.shc__remove {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 14px;
    color: #8b352b;
    background: #fff8f5;
    font-size: 22px;
    line-height: 1;
}

.shc__remove:hover,
.shc__remove:focus-visible {
    border-color: #d48b78;
    background: #ffe9e2;
}

.shc__summary {
    display: grid;
    grid-template-columns: 1.25fr 1fr 1fr;
    gap: 16px;
    margin-top: 18px;
}

.shc__summary-card {
    display: grid;
    gap: 5px;
    padding: 18px;
}

.shc__summary-card--primary {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, #7a5033, #b9835b);
}

.shc__summary-card span {
    color: inherit;
    opacity: .78;
    font-size: 14px;
}

.shc__summary-card strong {
    font-size: clamp(25px, 4vw, 40px);
    line-height: 1;
}

.shc__summary-card small {
    color: inherit;
    opacity: .72;
    font-size: 13px;
}

.shc__warnings {
    padding: 14px 16px;
    border: 1px solid var(--shc-warning-border);
    border-radius: 18px;
    background: var(--shc-warning-bg);
    color: #6e4a0a;
    line-height: 1.5;
}

.shc__warnings p {
    margin: 0;
}

.shc__warnings p + p {
    margin-top: 7px;
}

.shc__facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.shc__fact {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--shc-border);
    border-radius: 18px;
    background: var(--shc-soft-2);
}

.shc__fact span {
    color: var(--shc-muted);
    font-size: 13px;
    line-height: 1.3;
}

.shc__fact strong {
    color: var(--shc-strong);
    font-size: 20px;
    line-height: 1.1;
}

.shc__table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.shc__table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 14px;
}

.shc__table th,
.shc__table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--shc-border);
    text-align: left;
    vertical-align: top;
}

.shc__table th {
    color: var(--shc-strong);
    background: var(--shc-soft-2);
    font-weight: 800;
}

.shc__table td small {
    display: block;
    margin-top: 3px;
    color: var(--shc-muted);
}

.shc__note,
.shc__empty {
    margin-top: 12px;
    color: var(--shc-muted);
    font-size: 14px;
    line-height: 1.5;
}

.shc__safety {
    background: linear-gradient(135deg, #fffdfb, var(--shc-soft-2));
}

.shc__safety ul {
    margin: 12px 0 0;
    padding-left: 20px;
    color: var(--shc-muted);
    line-height: 1.55;
}

@media (max-width: 980px) {
    .shc__oil-row {
        grid-template-columns: 1fr 1fr 1fr 42px;
    }

    .shc__grid--settings,
    .shc__summary,
    .shc__facts {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 680px) {
    .shc__head,
    .shc__panel,
    .shc__facts-wrap,
    .shc__details,
    .shc__safety {
        border-radius: 18px;
        padding: 16px;
    }

    .shc__lead {
        font-size: 15px;
    }

    .shc__panel-head,
    .shc__facts-head {
        display: grid;
        justify-content: stretch;
    }

    .shc__oil-row {
        grid-template-columns: 1fr 88px 42px;
        gap: 10px;
        padding: 12px;
    }

    .shc__field--oil {
        grid-column: 1 / -1;
    }

    .shc__custom-sap {
        grid-column: 1 / 3;
    }

    .shc__grid--settings,
    .shc__summary,
    .shc__facts {
        grid-template-columns: 1fr;
    }

    .shc__oil-actions,
    .shc__quick {
        display: grid;
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .shc__button,
    .shc__quick button {
        width: 100%;
        text-align: center;
    }

    .shc__summary-card {
        padding: 16px;
    }
}