.rbx-mc-wrap {
    max-width: 520px;
    margin: 30px auto;
    padding: 32px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.rbx-mc-title {
    margin: 0 0 24px;
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
}

.rbx-mc-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.rbx-mc-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.rbx-mc-field input[type="number"] {
    width: 100%;
    padding: 10px 14px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.rbx-mc-field input[type="number"]:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.rbx-mc-down-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.rbx-mc-down-row > input {
    flex: 1;
}

.rbx-mc-down-pct {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #555;
    white-space: nowrap;
}

.rbx-mc-down-pct input[type="number"] {
    width: 80px;
    padding: 10px 8px;
    text-align: center;
}

.rbx-mc-results {
    margin-top: 28px;
    padding: 20px;
    background: #f7f9fc;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.rbx-mc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rbx-mc-result-label {
    font-size: 15px;
    color: #555;
}

.rbx-mc-result-value {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
}

.rbx-mc-result-highlight .rbx-mc-result-value {
    color: #2563eb;
    font-size: 24px;
}