.danfe-content {
    min-width: 0;
}

.danfe-header {
    margin-bottom: 35px;
}

    .danfe-header h1 {
        margin: 0 0 10px;
        font-size: 34px;
        font-weight: 700;
        color: #2f4050;
    }

    .danfe-header p {
        margin: 0;
        max-width: 900px;
        font-size: 16px;
        line-height: 1.6;
        color: #666666;
    }

.danfe-card {
    padding: 28px;
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    margin-bottom: 30px;
}

    .danfe-card h2 {
        margin: 0 0 8px;
        font-size: 21px;
        color: #2f4050;
    }

    .danfe-card > p {
        margin: 0 0 22px;
        font-size: 14px;
        line-height: 1.5;
        color: #777777;
    }

.alert {
    padding: 12px 16px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-size: 14px;
    line-height: 1.4;
}

.alert-danger {
    background-color: #fdecea;
    border: 1px solid #f5c2c0;
    color: #b42318;
}

.upload-area {
    position: relative;
    border: 2px dashed #d5d5d5;
    border-radius: 8px;
    padding: 35px 20px;
    text-align: center;
    background-color: #fafafa;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

    .upload-area:hover {
        border-color: #1ab394;
        background-color: #f4fbfa;
    }

    .upload-area input[type="file"] {
        position: absolute;
        inset: 0;
        opacity: 0;
        cursor: pointer;
    }

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.upload-icon {
    font-size: 32px;
    color: #1ab394;
}

.upload-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.upload-title {
    font-size: 16px;
    font-weight: 600;
    color: #2f4050;
}

.upload-description {
    font-size: 13px;
    color: #999999;
}

.arquivo-selecionado {
    margin: 16px 0 26px;
    text-align: center;
    font-size: 14px;
    color: #555555;
}

.btn-gerar {
    display: block;
    margin: 0 auto;
    min-width: 180px;
    padding: 12px 28px;
    border: none;
    border-radius: 4px;
    background-color: #2f4050;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

    .btn-gerar:hover {
        background-color: #18a689;
    }

    .btn-gerar:active {
        transform: translateY(1px);
    }

.danfe-info {
    padding: 28px;
    background-color: #ffffff;
    border: 1px solid #2f4050;
    border-radius: 8px;
    margin-bottom: 30px;
}

    .danfe-info h2 {
        margin: 0 0 25px;
        font-size: 23px;
        color: #2f4050;
    }

.danfe-steps {
    display: flex;
    gap: 20px;
}

.danfe-step {
    display: flex;
    flex: 1;
    gap: 12px;
}

.step-number {
    min-width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #2f4050;
    border-radius: 50%;
    color: #ffffff;
    font-weight: 700;
}

.step-content h3 {
    margin: 0 0 5px;
    font-size: 15px;
    color: #444444;
}

.step-content p {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    color: #777777;
}

@media (max-width: 900px) {

    .danfe-steps {
        flex-direction: column;
        gap: 25px;
    }

    .danfe-step {
        width: 100%;
    }
}

@media (max-width: 600px) {

    .danfe-header h1 {
        font-size: 28px;
    }

    .danfe-header p {
        font-size: 14px;
    }

    .danfe-card,
    .danfe-info {
        padding: 20px;
    }

    .upload-area {
        padding: 25px 15px;
    }

    .btn-gerar {
        width: 100%;
    }
}