.unit-group {
    margin-bottom: 15px;
}

.unit-input-group {
    height: 100%;
}

.unit-input {
    /*text-align: right;*/
    font-weight: 500;
    font-size: 1.05rem;
}

.unit-label {
    font-weight: bold;
    color: #495057;
    margin-bottom: 5px;
}

.unit-symbol {
    color: #6c757d;
    font-size: 0.9rem;
    font-weight: normal;
}

.btn-convert {
    min-width: 80px;
}

.btn-reset {
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-reset:hover {
    background-color: #5c636a;
    border-color: #565e64;
}

.info-box {
    background-color: #e7f3ff;
    border-left: 4px solid #0d6efd;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.info-box h5 {
    margin-top: 0;
    color: #0d6efd;
}

.current-base {
    background-color: #e7f1ff;
    border-color: #0d6efd !important;
}

.current-base .unit-label {
    color: #0d6efd;
}

.example-values {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 3px;
}

@media (max-width: 768px) {
    .btn-convert {
        min-width: 70px;
        font-size: 0.9rem;
    }

    .unit-input {
        font-size: 1rem;
    }
}

/* 错误输入样式 */
.input-error {
    border-color: #dc3545 !important;
    background-color: #fff5f5;
}