.cnh-tool {
    background: linear-gradient(180deg, #0b0b0b, #121212);
    border: 1px solid #1f1f1f;
    border-radius: 16px;
    padding: 32px;
    max-width: 760px;
    margin: 40px auto;
    color: #ffffff;
    font-family: Inter, system-ui, sans-serif;
}

.cnh-tool h2 {
    font-size: 26px;
    margin-bottom: 6px;
}

.cnh-sub {
    font-size: 14px;
    color: #b3b3b3;
    margin-bottom: 26px;
}

.cnh-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 14px;
    align-items: end;
}

.cnh-inputs label {
    display: block;
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 6px;
}

.cnh-inputs input {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    background: #0f0f0f;
    border: 1px solid #2a2a2a;
    color: #fff;
}

.cnh-inputs button {
    background: #2563eb;
    border: none;
    padding: 14px 22px;
    border-radius: 10px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
}

.cnh-inputs button:hover {
    background: #1e4ed8;
}

.cnh-results {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.cnh-card {
    background: #0f0f0f;
    border: 1px solid #1f1f1f;
    border-radius: 12px;
    padding: 18px;
}

.cnh-card span {
    font-size: 13px;
    color: #9ca3af;
}

.cnh-card strong {
    display: block;
    margin-top: 6px;
    font-size: 20px;
}

.cnh-note {
    margin-top: 20px;
    font-size: 12px;
    color: #8b8b8b;
}