.xzed-smart-size-guide {
    --xzed-size-accent: #6f5d43;
    --xzed-size-accent-dark: #4d402f;
    --xzed-size-surface: #fff;
    --xzed-size-soft: #f7f4ef;
    --xzed-size-border: #e3ddd4;
    --xzed-size-text: #28231d;
    --xzed-size-muted: #6f685f;
    display: grid;
    gap: 20px;
    color: var(--xzed-size-text);
}

.xzed-smart-size-guide *,
.xzed-smart-size-guide *::before,
.xzed-smart-size-guide *::after {
    box-sizing: border-box;
}

.xzed-smart-size-guide__header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.xzed-smart-size-guide__icon {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: var(--xzed-size-soft);
    color: var(--xzed-size-accent-dark);
    font-size: 26px;
    font-weight: 700;
}

.xzed-smart-size-guide__eyebrow {
    display: block;
    margin-bottom: 3px;
    color: var(--xzed-size-accent);
    font-size: 12px;
    font-weight: 700;
}

.xzed-smart-size-guide__header h3 {
    margin: 0;
    font-size: clamp(20px, 3vw, 27px);
}

.xzed-smart-size-guide__intro,
.xzed-smart-size-guide__intro p {
    margin: 0;
    color: var(--xzed-size-muted);
    line-height: 2;
}

.xzed-smart-size-guide__note {
    margin: 0;
    padding: 12px 15px;
    border-inline-start: 3px solid var(--xzed-size-accent);
    border-radius: 10px;
    background: var(--xzed-size-soft);
    color: var(--xzed-size-muted);
    line-height: 1.8;
}

.xzed-smart-size-guide__available {
    display: grid;
    gap: 10px;
}

.xzed-smart-size-guide__available > span {
    font-size: 13px;
    font-weight: 700;
}

.xzed-smart-size-guide__available > div {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.xzed-smart-size-guide__available > div span {
    min-width: 44px;
    padding: 8px 12px;
    border: 1px solid var(--xzed-size-border);
    border-radius: 999px;
    background: var(--xzed-size-surface);
    text-align: center;
    font-weight: 700;
}

.xzed-size-calculator {
    display: grid;
    gap: 16px;
    padding: clamp(18px, 4vw, 26px);
    border: 1px solid var(--xzed-size-border);
    border-radius: 18px;
    background: linear-gradient(145deg, #fff 0%, var(--xzed-size-soft) 100%);
}

.xzed-size-calculator label {
    display: grid;
    gap: 8px;
    margin: 0;
    font-weight: 700;
}

.xzed-size-calculator input,
.xzed-size-calculator select {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--xzed-size-border);
    border-radius: 12px;
    background: #fff;
    color: var(--xzed-size-text);
    font: inherit;
}

.xzed-size-calculator__input {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
}

.xzed-size-calculator__input > span {
    color: var(--xzed-size-muted);
    font-size: 13px;
    font-weight: 500;
}

.xzed-size-calculator__switch {
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    padding: 4px;
    border-radius: 12px;
    background: #ebe5dc;
}

.xzed-size-calculator__switch button {
    min-height: 40px;
    padding: 7px 12px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--xzed-size-muted);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.xzed-size-calculator__switch button.is-active {
    background: #fff;
    color: var(--xzed-size-accent-dark);
    box-shadow: 0 4px 12px rgba(52, 43, 31, 0.08);
}

.xzed-size-calculator > .button {
    justify-self: start;
    min-height: 44px;
    border-radius: 12px;
}

.xzed-size-calculator__result {
    display: grid;
    gap: 5px;
    padding: 15px;
    border: 1px solid rgba(8, 122, 85, 0.25);
    border-radius: 13px;
    background: rgba(8, 122, 85, 0.07);
    color: #075f44;
}

.xzed-size-calculator__result[hidden] {
    display: none;
}

.xzed-size-calculator__result strong,
.xzed-size-calculator__result span {
    display: block;
}

.xzed-size-calculator__result.is-error {
    border-color: rgba(176, 48, 48, 0.25);
    background: rgba(176, 48, 48, 0.07);
    color: #8b2424;
}

.xzed-necklace-lengths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.xzed-necklace-lengths article {
    display: grid;
    gap: 8px;
    min-height: 110px;
    padding: 18px;
    border: 1px solid var(--xzed-size-border);
    border-radius: 16px;
    background: var(--xzed-size-surface);
}

.xzed-necklace-lengths strong {
    color: var(--xzed-size-accent-dark);
    font-size: 24px;
}

.xzed-necklace-lengths strong small {
    font-size: 12px;
}

.xzed-necklace-lengths span {
    color: var(--xzed-size-muted);
    font-size: 13px;
    line-height: 1.7;
}

.xzed-smart-size-guide__support {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid var(--xzed-size-border);
}

.xzed-smart-size-guide__support > span {
    display: inline-grid;
    place-items: center;
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--xzed-size-soft);
    color: var(--xzed-size-accent-dark);
    font-weight: 800;
}

.xzed-smart-size-guide__support p {
    margin: 0;
    color: var(--xzed-size-muted);
    line-height: 1.8;
}

@media (max-width: 600px) {
    .xzed-size-calculator__input {
        grid-template-columns: 1fr;
    }

    .xzed-size-calculator__input > span {
        padding-inline-start: 2px;
    }

    .xzed-size-calculator > .button {
        width: 100%;
    }
}