.to-contact-lens-calculator {
    --to-contact-bg: #f8fafc;
    --to-contact-panel: #eef3f7;
    --to-contact-border: #cfd7df;
    --to-contact-ink: #2d3744;
    --to-contact-muted: #586574;
    --to-contact-input: #ffffff;
    color: var(--to-contact-ink);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.to-contact-lens-calculator,
.to-contact-lens-calculator * {
    box-sizing: border-box;
}

.to-contact-lens-titlebar {
    margin-top: 12px;
    padding: 10px 16px;
    border: 1px solid var(--to-contact-border);
    border-radius: 6px;
    background: linear-gradient(180deg, #f7f9fb, #edf2f6);
    color: #1f2732;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
}

.to-contact-lens-panel {
    margin-top: 18px;
    padding: 22px 18px 16px;
    border: 1px solid var(--to-contact-border);
    border-radius: 24px;
    background: linear-gradient(180deg, #f4f7fa, var(--to-contact-panel));
}

.to-contact-lens-panel-title,
.to-contact-lens-eye-title {
    margin: 0;
    text-align: center;
    color: var(--to-contact-ink);
    font-size: 16px;
    font-weight: 500;
    text-transform: uppercase;
}

.to-contact-lens-panel-title {
    margin-bottom: 24px;
}

.to-contact-lens-label,
.to-contact-lens-result-caption {
    display: block;
    color: #4d5966;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.to-contact-lens-label {
    margin-bottom: 8px;
}

.to-contact-lens-result-caption {
    margin-bottom: 8px;
}

.to-contact-lens-input,
.to-contact-lens-result-box {
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--to-contact-border);
    border-radius: 4px;
    background: var(--to-contact-input);
}

.to-contact-lens-input {
    padding: 8px 12px;
    color: var(--to-contact-ink);
    font: inherit;
}

.to-contact-lens-input:focus {
    outline: none;
    border-color: #8eabbf;
    box-shadow: 0 0 0 3px rgba(142, 171, 191, 0.16);
}

.to-contact-lens-result-box {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    color: #183349;
    font-size: 15px;
    font-weight: 700;
}

.to-contact-lens-conversion-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.to-contact-lens-conversion-column {
    display: grid;
    gap: 18px;
}

.to-contact-lens-eyes-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.to-contact-lens-eye-card {
    padding: 10px 8px 0;
}

.to-contact-lens-eye-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(170px, 0.92fr);
    gap: 10px;
    align-items: end;
    margin-top: 22px;
}

.to-contact-lens-field-stack,
.to-contact-lens-inline-result {
    display: grid;
    gap: 0;
}

.to-contact-lens-summary {
    margin-top: 18px;
    padding: 0 8px;
    color: #445261;
    font-size: 14px;
    line-height: 1.5;
}

.to-contact-lens-empty-state {
    color: #445261;
    font-size: 15px;
    line-height: 1.6;
    text-align: center;
}

@media (max-width: 900px) {
    .to-contact-lens-conversion-grid,
    .to-contact-lens-eyes-grid {
        grid-template-columns: 1fr;
    }

    .to-contact-lens-eye-row {
        grid-template-columns: 1fr;
    }
}